# Math. Trainer App vs ML Engineer Pro Prep

The clearest difference is ads: ML Engineer Pro Prep at none against Math. Trainer App's shown. ML Engineer Pro Prep also leads on device support (4 vs 1) and iOS requirement (13.0 vs 17.6). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Math. Trainer App sells 1 one-off in-app purchase and ML Engineer Pro Prep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Math. Trainer App | ML Engineer Pro Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/math-trainer-app/id6757082686/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 84 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Blatt, Inc](https://appshunter.io/developer/1779835943) | [AITYTECH](https://appshunter.io/developer/1885549185) |

## What reviewers say

### Math. Trainer App

[App page](https://appshunter.io/ios/app/math-trainer-app/id6757082686)

This app helps high school students memorize math formulas quickly for exams and homework. It features a formula bank, trainer mode with spaced repetition, and progress tracking to build long-term memory and confidence.

**Highlights:** Formula Bank (Algebra, Geometry, Trigonometry), Trainer Mode with Spaced Repetition, Adaptive Learning, Progress Tracking, Customizable Repetitions

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Removing ads | $1.99 | one-time |


### ML Engineer Pro Prep

[App page](https://appshunter.io/ios/app/ml-engineer-pro-prep/id6762125525)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Lifetime | $3.99 | one-time |


## Frequently asked questions

### Is Math. Trainer App free?

Math. Trainer App is free to download, with in-app purchases available.

### Is ML Engineer Pro Prep free?

ML Engineer Pro Prep is free to download, with in-app purchases available.

### Do Math. Trainer App or ML Engineer Pro Prep have ads?

Math. Trainer App shows ads; ML Engineer Pro Prep does not.

### Which is updated more often, Math. Trainer App or ML Engineer Pro Prep?

Math. Trainer App ships an update every 3 weeks, and ML Engineer Pro Prep every 3 weeks. Most recently, Math. Trainer App was updated on October 7, 2026 and ML Engineer Pro Prep on October 2, 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.*