8 Best Shopify Legal Apps (2026)

The best Shopify legal apps in 2026 help protect your store and your customers: making shoppers agree to your terms before they buy, verifying age for restricted products, and keeping your policies in order. They cover a few jobs: terms agreement at checkout, age verification, and policy management. Well-reviewed terms-checkbox apps like TnC lead, and age-gate apps like Blockify handle restricted products. We do not make a legal app, so this is a neutral roundup ranked on merit. This article is general information, not legal advice.
Key takeaways
- Shopify generates basic privacy, refund, terms and shipping policies for free in Settings, so you do not need an app just to create policies. Templates are a starting point, not legal advice for your situation.
- A terms-agreement checkbox makes customers explicitly accept your terms before checkout, which helps enforce policies like no-refund custom orders and supports you in chargeback and dispute cases. TnC is the most-reviewed.
- Age verification is required if you sell age-restricted products, alcohol, tobacco, vape, CBD or adult items. Apps like Blockify add an age-gate popup, though these are self-attestation, not ID checks.
- Legal protection is layered: clear policies, explicit agreement, age checks where needed, and cookie consent for privacy law. For cookie consent specifically, see our dedicated cookie consent guide. Ratings and pricing are from the live App Store as of August 2026.
On this page
What a legal app does
Legal apps do not replace a lawyer, but they add practical protections to your store. They fall into a few types.
Require agreement to terms, adding a checkbox to the cart or checkout that a customer must tick to confirm they accept your terms and conditions before they can pay.
Verify age, showing an age-gate popup that blocks entry or checkout until the visitor confirms they meet the minimum age for your restricted products.
Help with policies, generating or managing the privacy, refund, terms and shipping policies your store needs, though Shopify already provides free basic templates.
Support compliance, alongside cookie consent and privacy tools, so your store meets the rules of the places you sell to.
Which legal job is yours
Name your need and match it to a row.
| Your need | Best pick | Why |
|---|---|---|
| Make customers accept your terms | TnC: Terms and Conditions Box | The most-reviewed terms-agreement checkbox. |
| Verify age for restricted products | Blockify Age Verification | A 4.9-rated age-gate popup. |
| A simple, top-rated terms box | Checkbox Assistant | A 5.0-rated, lightweight agreement box. |
| A customizable age popup | AVP Age Verification Popup | A flexible, on-brand age gate. |
| Just basic store policies | Shopify's free generator | Built-in policy templates, no app needed. |
How we ranked these
We do not make a legal app, so nothing on this list is ours and there is no bias to disclose. We ranked on how well each app does its job, terms agreement, age verification or policy help, customization, reliability, rating and review depth, and price. We are honest that Shopify's free built-in tools cover basic policies, so an app should add real protection beyond them. Nothing here is legal advice; consult a qualified professional for your jurisdiction and products. Ratings and pricing are from the live Shopify App Store as of August 2026.
The 8 best legal apps compared
| App | Rating | Reviews | Price | Best for |
|---|---|---|---|---|
| TnC: Terms and Conditions Box | 4.9 | 510 | Free plan available | Terms agreement at checkout |
| RT: Terms and Conditions Box | 4.6 | 358 | Free | A cart terms checkbox |
| Blockify Age Verification 18+ | 4.9 | 299 | Free to install | Age verification |
| RA Term and Condition Checkbox | 4.9 | 180 | Free plan available | A reliable terms checkbox |
| AVP - Age Verification Popup | 4.7 | 140 | Free plan available | A customizable age gate |
| TC Term and Condition Checkbox | 4.8 | 107 | Free | A budget terms checkbox |
| Checkbox Assistant: Terms Box | 5.0 | 40 | Free plan available | A simple, top-rated box |
| AgeCheck 18+: Age Verification | 4.8 | 33 | Free plan available | A clean age verifier |
Ratings and pricing verified from live listings, August 2026. Age-gate popups rely on self-attestation, not identity checks, and none of this is legal advice.
The apps, ranked
1. TnC: Terms and Conditions Box

TnC: Terms and Conditions Box (4.9 across more than 500 reviews) is the most-reviewed terms-agreement app. It adds a checkbox to the cart and checkout that customers must tick to accept your terms before paying, with flexible placement and styling, on a free plan.
Strengths: the deepest review base at a 4.9, flexible placement, forced acceptance before checkout, and a free tier.
Watch-outs: a checkbox helps enforce terms but is not a substitute for well-written policies and legal advice.
Best for: most stores wanting terms agreement before checkout. Free plan available.
2. RT: Terms and Conditions Box

RT: Terms and Conditions Box (4.6 across roughly 360 reviews) adds a terms-agreement checkbox to the cart and checkout with flexible placement, a well-established option with a large review base, free to use.
Strengths: a solid, established terms checkbox with flexible placement, free.
Watch-outs: a slightly lower rating than the leaders, so confirm it fits your theme and checkout.
Best for: stores wanting a free, flexible terms checkbox. Free.
3. Blockify Age Verification 18+

Blockify Age Verification 18+ (4.9 across roughly 300 reviews) is the age-gate leader here. It shows a customizable popup that blocks entry or checkout until the visitor confirms they are of age, essential for stores selling alcohol, vape, CBD or other restricted products, free to install.
Strengths: a 4.9 rating, a customizable age gate, and options to block entry or checkout, free to install.
Watch-outs: like all popup age gates, it relies on self-attestation, not identity verification, so check your legal requirements.
Best for: stores selling age-restricted products. Free to install.
4. RA Term and Condition Checkbox

RA Term and Condition Checkbox (4.9 across roughly 180 reviews) is a reliable terms-agreement checkbox with a high rating and a free plan, a strong alternative to TnC for enforcing acceptance before checkout.
Strengths: a 4.9 rating, straightforward terms enforcement, and a free tier.
Watch-outs: a smaller review base than TnC, but a very similar job done well.
Best for: stores wanting a reliable terms checkbox alternative. Free plan available.
5. AVP - Age Verification Popup

AVP - Age Verification Popup (4.7 across roughly 140 reviews) is a flexible, customizable age-gate popup with a free plan, for stores that want an on-brand age check on entry to their store.
Strengths: a customizable, on-brand age gate with a free tier.
Watch-outs: as with any popup age gate, it is self-attestation, so confirm it meets your legal obligations.
Best for: stores wanting a customizable age popup. Free plan available.
6. TC Term and Condition Checkbox

TC Term and Condition Checkbox (4.8 across roughly 110 reviews) is a straightforward, free terms-agreement checkbox, a budget option that does the core job of requiring acceptance before checkout.
Strengths: a good rating, simple setup, and free use.
Watch-outs: a smaller feature set, so check placement and styling fit your needs.
Best for: stores wanting a free, simple terms checkbox. Free.
7. Checkbox Assistant: Terms Box

Checkbox Assistant: Terms Box (5.0 across roughly 40 reviews) is a lightweight, top-rated terms-agreement checkbox that is quick to set up, for stores that just need a clean acceptance box before checkout, on a free plan.
Strengths: a 5.0 rating, a simple and clean terms box, and a free tier.
Watch-outs: a smaller review base, so pilot it against your checkout.
Best for: stores wanting a simple, top-rated terms box. Free plan available.
8. AgeCheck 18+: Age Verification

AgeCheck 18+ (4.8 across roughly 30 reviews) is a clean, well-rated age-verification popup with a free plan, a straightforward age gate for stores selling restricted products.
Strengths: a good rating, a clean age gate, and a free tier.
Watch-outs: a smaller review base, and, like all age gates, self-attestation only.
Best for: stores wanting a clean, free age verifier. Free plan available.
Which legal app to choose
Best terms-agreement checkbox: TnC, with RA and Checkbox Assistant as strong alternatives.
Best age verification: Blockify, or AVP for a customizable popup.
Best free terms option: RT or TC.
Best for basic policies: Shopify's free built-in generator, no app needed.
Which legal app fits your store?
Pick what you need most and we will point you to the best fit. We do not make a legal app, so every pick here is chosen on merit. This is general information, not legal advice.
Common legal mistakes
Copying another store's policies. Policies must match your actual business, products and jurisdiction. Start from Shopify's free templates or a generator, then adapt them, and have a professional review them for anything high-risk.
Not requiring agreement to terms. If customers never explicitly accept your terms, enforcing rules like final-sale or custom-order no-refund is harder. A terms-agreement checkbox creates a clear record of acceptance.
Selling restricted products with no age check. Alcohol, tobacco, vape, CBD and adult products carry age requirements. An age-gate popup is the standard first step, though confirm what your laws actually require.
Treating a popup as full age verification. Age-gate popups are self-attestation, a visitor clicking a button, not identity verification. For products with strict requirements, you may need more, so check your obligations.
Forgetting privacy and cookie law. Terms and age checks are only part of it. Privacy policies and cookie consent matter for GDPR, CCPA and similar laws. Pair these apps with proper cookie consent, and treat none of this as legal advice.
Think your app belongs on this list?
We review submissions against the same criteria we rank on and add the ones that qualify. If you build a Shopify app in this category, send it in.