# Teachback AI vs Dynamic Mathematics

The clearest difference is in-app purchases: Dynamic Mathematics at none against Teachback AI's 3. Dynamic Mathematics also leads on update cadence (weekly vs every 4 months) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Teachback AI sells 3 in-app purchases, starting at $7.99 per 7 days. Dynamic Mathematics asks for nothing beyond the download.

Teachback AI ships an update every 4 months, Dynamic Mathematics weekly. The most recent releases landed on October 18, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Teachback AI | Dynamic Mathematics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dynamic-mathematics/id6762821417/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | — | Free |
| Size | 35 MB | 53 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mahmoud Barazi](https://appshunter.io/developer/1886927977) | [Kevin McDonald](https://appshunter.io/developer/1808477872) |

## What reviewers say

### Teachback AI

[App page](https://appshunter.io/ios/app/teachback-ai/id6760937065)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Teachback AI Pro | $7.99 | per 7 days |
| Teachback AI Pro | $9.99 | per month |
| Teachback AI Pro | $59.99 | per year |


### Dynamic Mathematics

[App page](https://appshunter.io/ios/app/dynamic-mathematics/id6762821417)

This app offers adaptive math practice with dynamically generated problems. It scores your answers against your mastery and unlocks new topics as you improve, making learning engaging for all ages.

**Highlights:** Dynamically generated math problems, Scored against user mastery, Unlocks new topics upon improvement, Adaptive learning progression, Focused math practice

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

**In-app purchases:** none


## Frequently asked questions

### Is Teachback AI free?

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

### Is Dynamic Mathematics free?

Dynamic Mathematics is free to download, with no in-app purchases.

### Do Teachback AI or Dynamic Mathematics have ads?

Neither Teachback AI nor Dynamic Mathematics shows ads.

### Which is updated more often, Teachback AI or Dynamic Mathematics?

Teachback AI ships an update every 4 months, and Dynamic Mathematics weekly. Most recently, Teachback AI was updated on October 18, 2026 and Dynamic Mathematics on October 20, 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.*