# Simple Mental Math Practice vs LiDTrainer

The clearest difference is ads: LiDTrainer at none against Simple Mental Math Practice's shown. LiDTrainer also leads on update cadence (daily vs every 3 days). Simple Mental Math Practice's advantage is iOS requirement (13.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Simple Mental Math Practice sells 1 one-off in-app purchase and LiDTrainer sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Simple Mental Math Practice ships an update every 3 days, LiDTrainer daily. Both last shipped on September 29, 2026.

## The numbers

| Metric | Simple Mental Math Practice | LiDTrainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | **Daily** |
| Size | 36 MB | 27 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ENDEVLAB](https://appshunter.io/developer/1803275438) | [Fatih Kaan Tuncer](https://appshunter.io/developer/1853447212) |

## What reviewers say

### Simple Mental Math Practice

[App page](https://appshunter.io/ios/app/simple-mental-math-practice/id6755456204)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $6.99 | one-time |


### LiDTrainer

[App page](https://appshunter.io/ios/app/lidtrainer/id6760897281)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Support | $0.99 | per month |
| Buy me a coffee | $2.99 | one-time |


## Frequently asked questions

### Is Simple Mental Math Practice free?

Simple Mental Math Practice is free to download, with in-app purchases available.

### Is LiDTrainer free?

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

### Do Simple Mental Math Practice or LiDTrainer have ads?

Simple Mental Math Practice shows ads; LiDTrainer does not.

### Which is updated more often, Simple Mental Math Practice or LiDTrainer?

Simple Mental Math Practice ships an update every 3 days, and LiDTrainer daily. Most recently, Simple Mental Math Practice was updated on September 29, 2026 and LiDTrainer on September 29, 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.*