# Third Grade Math Trainer vs MLS

The clearest difference is price: MLS at Free against Third Grade Math Trainer's $2.99. MLS also leads on update cadence (every 6 weeks vs every 26 months). Third Grade Math Trainer's advantage is iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

MLS is free to download; Third Grade Math Trainer costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Third Grade Math Trainer ships an update every 26 months, MLS every 6 weeks. The most recent releases landed on September 28, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Third Grade Math Trainer | MLS |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 6 weeks** |
| Size | 19 MB | 27 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sergey Malugin](https://appshunter.io/developer/562782409) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## What reviewers say

### Third Grade Math Trainer

[App page](https://appshunter.io/ios/app/third-grade-math-trainer/id1312646293)

**Features:** macOS Compatibility

**In-app purchases:** none


### MLS

[App page](https://appshunter.io/ios/app/mls-c01-machine-learning-prep/id6747312858)

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

**In-app purchases:** none


## Frequently asked questions

### Is Third Grade Math Trainer free?

Third Grade Math Trainer costs $2.99, with no in-app purchases.

### Is MLS free?

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

### Do Third Grade Math Trainer or MLS have ads?

Neither Third Grade Math Trainer nor MLS shows ads.

### Which is updated more often, Third Grade Math Trainer or MLS?

Third Grade Math Trainer ships an update every 26 months, and MLS every 6 weeks. Most recently, Third Grade Math Trainer was updated on September 28, 2026 and MLS on October 9, 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.*