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What happens if the price goes up after you sign?契約後に値上げされたら、どうなりますか
Of the 6 products covered on this site, we read the terms of 5 of them clause by clause, leaving out Squarespace. Only 2 have a mechanism that prevents a price rise part-way through a contract term: HubSpot and Semrush. HubSpot writes that it will not increase fees during the Current Term (3.1, with 4 exceptions), and Semrush reaches the same result by tying the effective date of a fee change to the first day of the renewal term (5.3). Just 1 vendor, HubSpot, states explicitly that you may terminate if you do not accept the increase (3.2). Even so, that same HubSpot does not let you cancel part-way through the term and recover what you have prepaid (4.1).
The terms of 5 vendors on 1 page
| Product (document that applies) | Advance notice of an increase | Price held during the term | Deadline and action to stop renewal | Where to check your expiry date | Right to terminate over an increase | How to read this row |
|---|---|---|---|---|---|---|
| HubSpot (Customer Terms of Service) | 30 days before renewal (3.2) | Yes, 3.1, with 4 exceptions (going over a limit, upgrading, buying an add-on, a different agreement in the Order Form) | Turn auto-renewal off by the end of the Current Term. No number of days specified (4.2) | Account & Billing in your account | Yes, stated explicitly (3.2) | What is protected is the unit price alone. Going over a limit and upgrading can raise the bill during the term |
| monday.com (Terms of Service) | Only "upon notice". We could not confirm a number of days stated (8.3) | Nothing explicit / 8.9 says the price stays the same unless separately notified | For an annual contract, up to 30 days before expiry. Cancel from account settings, or contact customer success (8.9) | The Billing screen in the admin area | We could not find this stated on the vendor’s own pages | If no notice arrives, the price holds. But since the notice period is not fixed, there is no guarantee you will make the deadline |
| Asana / Subscriber Terms (applies to the customer named in an Order Form) | We could not confirm a number of days stated | Nothing explicit / renewal is at "the then-current rate" (4.4) | Up to 30 days before the renewal date. Notice to the other party is required, and it runs both ways (4.4) | The start date and term are set out in the Order Form | We could not find this stated on the vendor’s own pages | If you have an Order Form, this is your document. It cannot be finished in the admin area; a person has to be notified |
| Asana / Subscriber Agreement (we could not confirm its scope on the vendor’s own pages) | 20 days in advance (4.2) | Nothing explicit | Cancel at any time from account settings in the admin area. No number of days specified (4.4) | The Billing screen in the admin area | We could not find this stated on the vendor’s own pages | The 20-day notice appears in this document alone. The vendor’s own pages do not tell you whether it applies to you |
| Shopify (Terms of Service) | 30 days before a price change, by email or in the admin console (15.2) | Nothing explicit / nothing that limits changes to renewal (15.2) | Cancel at any time. Contact support (14.2). No refunds (5.10) | Settings > Plan in the admin area | We could not find this stated on the vendor’s own pages | The terms allow a change during the term on 30 days’ notice alone |
| Semrush (Terms of Service) | We could not confirm a number of days stated (5.3) | Yes in effect / a change applies from the first day of the renewal term (5.3) | Before the last day of the Current Term. Decline renewal through the designated form (7.2) | The subscription screen in your profile | Yes for material changes to the terms (11.7). We could not confirm anything explicit about fees | Nothing moves during the term, but how far ahead you learn of an increase is not written down |
Scroll sideways to see every column
Terms used here: auto-renewal is the arrangement under which a contract continues automatically for another term of the same length unless you give notice to cancel. Almost every SaaS vendor makes it the default. An Order Form is the document you exchange with a sales representative to settle the amount and the number of seats. It does not exist if you signed up and paid by card yourself, and you can tell by whether a PDF was attached to your sign-up email.
Source: each vendor’s own terms (checked August 2026; document names and last-updated dates are in the sources section at the end). Days are calendar days, and no amounts are stated. The 3 columns on the left answer "will the price go up"; the 3 on the right answer "can you get out" — 2 different questions.
Where is the clause that stops an increase during the term?
What HubSpot 3.1 protects is the unit price alone; go over a limit and the bill rises even during the term. What Semrush 5.3 fixes is only the effective date, the first day of the renewal term. Shopify runs the other way: 15.2 does not limit changes to renewal, and it closes like this.
There is a duty to give 30 days’ notice, but the terms give you no grounds on which to object to an increase. As for what happens to the prepaid balance when a price rises part-way through an annual term, we could not find this stated in the terms or in the help pages. Shopify is not alone in not refunding: the same holds for all 4 vendors we checked (HubSpot 4.1, monday.com 8.3 and 8.9, Shopify 5.10).
Because monday.com 8.3 sets no notice period, a price-increase notice arriving 29 days before expiry would land after the cancellation deadline of 30 days, and the terms do not say how that is handled.
Asana’s legal pages carry 2 contract documents. The Subscriber Terms define themselves as the agreement with the party named as the customer in an Order Form, and state that they apply to new Order Forms taking effect on or after August 10, 2026 and to their renewals. In the 1 remaining document, the Subscriber Agreement, we could not find any statement that it applies to online purchasers, and it is not listed in the document index at asana.com/terms. The 20-day notice (4.2) is a clause of that Subscriber Agreement, but the vendor’s own pages do not let you tell whether it applies to your contract. Ask in writing, before you sign, which contract document applies to you.
Only 1 vendor writes that you can terminate over an increase
HubSpot 3.2 provides that fees may be raised to list price at renewal and that notice is given 30 days before renewal, and then continues:
Because of that 1 final sentence, the 30-day notice and the right to terminate do not necessarily extend to your product. The per-product notice periods are unconfirmed, so open the Product Specific Terms before you sign.
Semrush 11.7 is set entirely in capitals.
11.7 goes on to provide that use on or after that date counts as acceptance of the revision, and that a customer who does not agree to a material change may terminate during the notice period without penalty. The 30-day grace covers material changes alone; everything else takes effect on the day it is posted. Whether a fee change qualifies, and how the word is defined, we could not confirm.
Miss the deadline by 1 day and the next 1 year is fixed
What gets fixed is not the difference but the total for the next 1 year. Running Asana Advanced on 10 seats with annual billing, $24.99 × 10 seats × 12 months = $2,998.80 (per year, excluding tax, US dollars) is locked in whole. Failing to avoid a 10% increase costs $2,998.80 × 0.1 = $299.88, but what you really lose is the chance to choose again how the $2,998.80 is spent. Check the billed amount in your contract.
Moving to monthly billing is an option too. Shopify requires you to contact support before the end of the annual cycle to change from annual to monthly billing (its own help pages); for the others, check before renewal whether the switch can be made in the admin area. Each vendor’s own terms (HubSpot 3.1/3.2/4.2, monday.com 8.3/8.9, Asana 4.4, Shopify 15.2, Semrush 5.3/7.2/11.7), checked August 2026. Days are calendar days
So what should you do?
If you can pay monthly and the service holds no operational data you would miss when you stop, none of the checks above are needed. Stop at the end of the month the increase notice arrives and you lose 1 month.
If you are considering an annual contract and want the unit price protected by a clause during the term, HubSpot is the one. What 3.1 protects is the Current Term, so the longer the term you take, the longer the unit price stays fixed. Going over a limit and upgrading still raise the bill during the term (3.1(i)(ii)), and 4.1 rules out cancelling part-way through and any refund.
If you already hold an annual contract and the next renewal worries you, the thing to open now is the calendar, not the pricing page. Find your expiry date where the table above says to look, and enter 3 dates. (1) 45 days before expiry: the day to start internal approval and negotiation. (2) 30 days before expiry: the cancellation-notice deadline for monday.com (8.9) and for an Asana Order Form contract (Subscriber Terms 4.4). Let it slip by 1 day and the next 1 year is fixed. (3) The day before expiry: the deadline for the Semrush non-renewal form (7.2). HubSpot and the Asana Subscriber Agreement specify no number of days and run to the expiry date, but turning auto-renewal off at (1) is the safer move. You can reverse it before the deadline.
If you cannot decide, pay monthly for the first year. The annual discount is what you are paid for selling 1 year of your freedom to walk away. Move to annual billing in year 2, once you have seen how the service is used, and a price-hold clause such as HubSpot 3.1 starts to work.
Who these products are not for
For a reader who wants the risk of a price rise kept to a minimum, Shopify’s annual billing is not the answer. 15.2 does not limit changes to renewal and allows a change during the term on 30 days’ notice alone, while 5.10 states that there are no refunds. Squarespace’s terms were not examined this time, so it is not part of the assessment here.
Sources (all checked August 2026)
- HubSpot Customer Terms of Service (last updated April 14, 2026 / 3.1 the hold during the term and its exceptions, 3.2 the increase at renewal, 30 days’ notice, the right to terminate and the Product Specific Terms — the 2 sentences on the right to terminate and the Product Specific Terms are quoted in the original, the preceding part is summarised in the body text / 4.1 auto-renewal, no cancellation part-way through and no refunds, 4.2 the notice of non-renewal)
- monday.com Terms of Service (last updated May 5, 2026 / 8.3 price changes and no refunds, 8.9 auto-renewal, 30 days’ cancellation notice for annual contracts, the same price absent notice, no refund for the unused period, and how to cancel)
- Asana Subscriber Terms (last updated July 10, 2026 / applies to Order Forms taking effect on or after August 10, 2026 and to their renewals / 4.4 auto-renewal, the then-current rate, 30 days’ notice)
- Asana Subscriber Agreement (last updated January 13, 2022 / scope could not be confirmed / 4.2 20 days’ notice of a fee change, 4.4 auto-renewal and cancellation from the admin area)
- Asana list of legal documents (confirming that the Subscriber Agreement is not listed)
- Shopify Terms of Service (last updated August 1, 2026 / 15.2 30 days’ notice of a price change and the disclaimer — only the final sentence is quoted in the original, the preceding part is summarised in the body text / 5.10 no refunds, 14.2 how to cancel)
- Semrush Terms of Service (last updated February 19, 2026 / 5.3 a price change applies from the first day of the renewal term, 7.2 auto-renewal and the deadline for declining renewal, 11.7 material changes to the terms and the right to terminate. 11.7: only the 3rd sentence, which carries the limiting structure, is quoted in the original; the 4th and 5th sentences are summarised in the body text)
- Shopify official help (changing from annual to monthly billing requires contacting support before the end of the annual cycle)
- Asana pricing (Advanced $24.99 per seat per month, annual billing)
Clause numbers and the last-updated date of each document are as at the time of checking. Every vendor revises its terms, so please open the current version of the relevant clause yourself before you sign. This article is not legal advice. For how to read a clause and how it applies to your own company, consult a lawyer where necessary.
掲載6サービスのうち、Squarespace を除く5社の規約を条文単位で確認しました。契約期間の途中に値上げされない仕組みを持つのは HubSpot と Semrush の2社です。HubSpot は「現契約期間中は増額しない」と書き（3.1・例外4つ）、Semrush は料金改定の効力発生日を更新初日に縛って同じ結果を出しています（5.3）。値上げに同意しない場合に解約できると明記しているのは HubSpot 1社だけです（3.2）。ただしその HubSpot も、期間の途中で解約して前払い分を取り戻すことはできません（4.1）。
5社の条文を1枚に
| 製品（適用文書） | 値上げの事前通知 | 契約期間中の固定 | 更新を止める期限と操作 | 満了日を確認する場所 | 値上げを理由とする解約権 | この行の読み方 |
|---|---|---|---|---|---|---|
| HubSpot（Customer Terms of Service） | 更新の30日前（3.2） | あり・3.1／例外4つ（上限超過・アップグレード・アドオン購入・注文書の別段の合意） | 現契約期間の終了までに自動更新をオフ。日数の指定なし（4.2） | アカウントの Account & Billing | あり・明文（3.2） | 守られるのは単価だけ。上限超過とアップグレードは期間中でも増える |
| monday.com（Terms of Service） | 「通知のうえ」とのみ。日数の記載を確認できず（8.3） | 明文なし／8.9 は「別途通知しない限り同一価格」 | 年間契約は満了の30日前まで。アカウント設定から解約、またはカスタマーサクセスへ連絡（8.9） | 管理画面の請求（Billing）画面 | 確認できず | 通知が来なければ据え置き。ただし通知日数が決まっていないため、締切に間に合う保証がない |
| Asana／Subscriber Terms（注文書に記載の顧客に適用） | 日数の記載を確認できず | 明文なし／更新は「その時点の料金」（4.4） | 更新日の30日前まで。相手方への通知が必要・双方向（4.4） | 注文書に開始日と期間の記載 | 確認できず | 注文書があるならこちら。管理画面では完結せず、人への通知が要る |
| Asana／Subscriber Agreement（適用範囲を公式で確認できず） | 20日前（4.2） | 明文なし | 管理画面のアカウント設定から随時解約。日数の指定なし（4.4） | 管理画面の請求（Billing）画面 | 確認できず | 20日前通知はこの文書にしかない。自分に適用されるかは公式から判別できない |
| Shopify（Terms of Service） | 料金変更の30日前・メールまたは管理コンソール（15.2） | 明文なし／「更新時に限る」の記載なし（15.2） | いつでも解約。サポートへ連絡（14.2）。返金なし（5.10） | 管理画面の設定＞プラン | 確認できず | 期間中でも30日前の通知だけで変更できる建て付け |
| Semrush（Terms of Service） | 日数の記載を確認できず（5.3） | 実質あり／改定は更新初日から（5.3） | 現契約期間の最終日より前。所定のフォームから更新拒否（7.2） | プロフィールのサブスクリプション画面 | 規約の重要変更については あり（11.7）。料金についての明文は確認できず | 期間中は動かないが、値上げを何日前に知れるかは書かれていない |
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凡例：自動更新＝解約を申し出ない限り契約が同じ期間だけ自動で続く仕組み。SaaSはほぼ全社が既定にしています。注文書＝営業担当と金額や席数を決めて取り交わす書面。自分でカード決済して申し込んだ場合には存在せず、申込時のメールに PDF が添付されていたかで判別できます。
出典：各社の公式規約（2026年8月確認。文書名・最終更新日は末尾の出典節）。日数は暦日、金額の記載なし。左3列は「値上げされるか」、右3列は「逃げられるか」で、この2つは別の問題
期間中の値上げを止める条文はどこですか
HubSpot 3.1 が守るのは単価だけで、上限を超えれば期間中でも請求は増えます。Semrush 5.3 が縛るのは効力発生日（更新初日）だけです。Shopify は逆で、15.2 は変更を更新時に限定せず、最後にこう書いています。
30日前の通知義務はありますが、値上げに異議を申し立てる根拠は規約にありません。年払いの途中で値上げされた場合の前払い分の扱いは、規約にもヘルプにも記載を確認できませんでした。返金しないのは Shopify だけではなく、確認した4社が同じです（HubSpot 4.1／monday.com 8.3・8.9／Shopify 5.10）。
monday.com は 8.3 が通知の日数を定めていないため、値上げ通知が満了の29日前に届けば解約通知の締切（30日前）は過ぎており、扱いは条文から読み取れません。
Asana の法務ページには契約文書が2本あります。Subscriber Terms は「注文書に顧客として記載された当事者との契約」と定め、2026年8月10日以降に発効する新規の注文書とその更新に適用されると書いています。もう1本の Subscriber Agreement には、オンライン購入者に適用されるという記述を確認できず、asana.com/terms の文書一覧にも掲載がありません。20日前通知（4.2）はこの Subscriber Agreement の条文ですが、自分の契約に適用されるかは公式ページから判別できません。申込前に「当社に適用される契約文書はどちらですか」と書面で問い合わせてください。
値上げを理由に解約できると書いてあるのは1社
HubSpot 3.2 は、更新時に定価まで増額でき、更新の30日前に通知すると定めたうえで、こう続きます。
この最後の1文があるため、30日前通知と解約権が自分の製品に及ぶとは限りません。製品別の日数は未確認なので、契約前に Product Specific Terms を開いてください。
Semrush 11.7 は全文が大文字です。
11.7 はこのあと、当該日以降の利用は改定への承諾となること、重要な変更に同意しない場合は通知期間中に違約金なく終了できることを定めます。30日の猶予は「重要な変更」だけで、それ以外は掲示日に効力を生じます。料金改定がこれに当たるかも、その定義も確認できませんでした。
締切を1日逃すと、次の1年が確定します
確定するのは差額ではなく、次の1年の総額です。Asana Advanced を10席・年払で使う場合、$24.99×10席×12か月＝$2,998.80（年額・税別・米ドル）が丸ごと固定されます。10%の値上げを避けそこねた損は $2,998.80×0.1＝$299.88 ですが、失うのは $2,998.80 の使い道を選び直す機会のほうです。請求額は契約書で確認してください。
月払いへの切替も選択肢。Shopify は年払いから月払いへの変更に年間サイクル終了前のサポート連絡が必要（公式ヘルプ）、他社は管理画面で切り替えられるかを更新前に確認 各社の公式規約（HubSpot 3.1/3.2/4.2、monday.com 8.3/8.9、Asana 4.4、Shopify 15.2、Semrush 5.3/7.2/11.7）2026年8月確認。日数は暦日
で、自分はどうすればいいですか
月払いで契約できて、止めたときに困る業務データが入っていないなら、ここまでの確認は要りません。 値上げ通知が来た月の末に止めれば、失うのは1か月分です。
年間契約を検討していて、期間中の単価を条文で守ってほしいなら HubSpot です。 3.1 が守るのは「現契約期間」なので、期間を長く取るほど単価の固定期間が伸びます。ただし上限超過とアップグレードは期間中でも増え（3.1(i)(ii)）、4.1 により途中解約と返金もできません。
すでに年間契約を持っていて、次の更新が心配なら、いま開くのは料金ページではなくカレンダーです。 上表の場所で満了日を確認し、3つ登録してください。①満了日の45日前：社内の決裁と交渉を始める日。②満了日の30日前：monday.com（8.9）と Asana の注文書契約（Subscriber Terms 4.4）の解約通知の締切。1日過ぎれば次の1年が確定します。③満了日の前日：Semrush の更新拒否フォームの締切（7.2）。HubSpot と Asana の Subscriber Agreement は日数の指定がなく満了日までですが、①で自動更新をオフにするほうが安全です。締切前なら戻せます。
迷ったら、初年度は月払いで契約してください。 年払いの割引は、1年分の「降りる自由」を売った対価です。2年目に利用状況を見てから年払いへ寄せれば、HubSpot 3.1 のような固定条項が効きます。
この記事の対象サービスが向かない読者
値上げリスクを最小にしたい読者に、Shopify の年払いは向きません。15.2 は変更を更新時に限定せず、30日前の通知だけで期間中でも変更でき、5.10 は返金しないと書いています。Squarespace は今回条文を確認していないため、判断材料に入れていません。
出典（すべて2026年8月確認）
- HubSpot Customer Terms of Service（最終更新 2026年4月14日／3.1 期間中の据え置きと例外、3.2 更新時の増額・30日前通知・解約権・製品固有条件。解約権と製品固有条件の2文を原文引用、前段は本文で日本語要約／4.1 自動更新と中途解約不可・返金なし、4.2 更新拒否の通知）
- monday.com Terms of Service（最終更新 2026年5月5日／8.3 料金変更・返金不可、8.9 自動更新・年間契約は30日前の解約通知・「通知がなければ同額」・未使用期間の返金なし・解約操作）
- Asana Subscriber Terms（最終更新 2026年7月10日／2026年8月10日以降に発効する注文書とその更新に適用／4.4 自動更新・その時点の料金・30日前通知）
- Asana Subscriber Agreement（最終更新 2022年1月13日／適用範囲を確認できず／4.2 料金改定の20日前通知、4.4 自動更新・管理画面からの解約）
- Asana 法務文書一覧（Subscriber Agreement の掲載がないことの確認）
- Shopify Terms of Service（最終更新 2026年8月1日／15.2 料金変更の30日前通知と免責。最終文のみ原文引用、前段は本文で日本語要約／5.10 返金なし、14.2 解約方法）
- Semrush Terms of Service（最終更新 2026年2月19日／5.3 料金変更は更新初日から、7.2 自動更新と更新拒否の期限、11.7 規約の重要変更と解約権。11.7 は限定構造を含む第3文のみ原文引用、第4文・第5文は本文で日本語要約）
- Shopify 公式ヘルプ（年払いから月払いへの変更は年間サイクル終了前にサポートへ連絡が必要）
- Asana 料金（Advanced $24.99／席・月・年払）
条項番号と各文書の最終更新日は確認時点のものです。各社とも規約を改定するため、契約前にご自身で最新版の該当条項を開いて確認してください。この記事は法的助言ではありません。条文の読み方や自社への当てはめは、必要に応じて弁護士に確認してください。