# Mappth vs Lemma

The clearest difference is update cadence: Mappth at weekly against Lemma's every 4 months. Mappth also leads on iOS requirement (15.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Mappth sells 1 in-app purchase, starting at $4.99 per month and Lemma sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Mappth ships an update weekly, Lemma every 4 months. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Mappth | Lemma |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 months |
| Size | 11 MB | 3 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Marcus Hanmer](https://appshunter.io/developer/1835958147) | [SHAUNAK NAVIN DESAI](https://appshunter.io/developer/1868168210) |

## What reviewers say

### Mappth

[App page](https://appshunter.io/ios/app/mappth/id6751597602)

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

**In-app purchases (1)**

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


### Lemma

[App page](https://appshunter.io/ios/app/lemma-socratic-maths-tutor/id6759090110)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lemma Pro Monthly | $4.99 | per month |


## Frequently asked questions

### Is Mappth free?

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

### Is Lemma free?

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

### Do Mappth or Lemma have ads?

Neither Mappth nor Lemma shows ads.

### Which is updated more often, Mappth or Lemma?

Mappth ships an update weekly, and Lemma every 4 months. Most recently, Mappth was updated on October 14, 2026 and Lemma on October 10, 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.*