# 13+ Maths Lite vs AI Certify

The clearest difference is update cadence: AI Certify at every 3 weeks against 13+ Maths Lite's every 23 months. 13+ Maths Lite's advantage is iOS requirement (8.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 13+ Maths Lite sells 1 one-off in-app purchase and AI Certify sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

13+ Maths Lite ships an update every 23 months, AI Certify every 3 weeks. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 13+ Maths Lite | AI Certify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai-certify/id6742496389/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 54 MB | 6 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Webrich Software Limited](https://appshunter.io/developer/290203591) | [APPCITY Limited Liability Company](https://appshunter.io/developer/1534242389) |

## What reviewers say

### 13+ Maths Lite

[App page](https://appshunter.io/ios/app/13-plus-maths-lite/id679007455)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Question Bank | $4.99 | one-time |


### AI Certify

[App page](https://appshunter.io/ios/app/ai-certify/id6742496389)

Prepare for professional certifications with AI-powered practice tests and personalized study materials. Track your progress, focus on weak areas, and study offline. Offers a premium, ad-free experience for IT, cloud, and business professionals.

**Highlights:** AI-powered practice tests, Personalized learning paths, Smart progress tracking, Offline access, Detailed answer explanations, Continuously updated question bank

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |


## Frequently asked questions

### Is 13+ Maths Lite free?

13+ Maths Lite is free to download, with in-app purchases available.

### Is AI Certify free?

AI Certify is free to download, with in-app purchases available.

### Do 13+ Maths Lite or AI Certify have ads?

Neither 13+ Maths Lite nor AI Certify shows ads.

### Which is updated more often, 13+ Maths Lite or AI Certify?

13+ Maths Lite ships an update every 23 months, and AI Certify every 3 weeks. Most recently, 13+ Maths Lite was updated on November 6, 2026 and AI Certify on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*