# Brain 2023 vs LEMMA

The clearest difference is ads: Brain 2023 at none against LEMMA's shown. Brain 2023 also leads on update cadence (weekly vs every 2 months) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Brain 2023 ships an update weekly, LEMMA every 2 months. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Brain 2023 | LEMMA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 months |
| Size | 39 MB | 45 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Softaliza](https://appshunter.io/developer/1515168311) | [LEMMA SUPPLY](https://appshunter.io/developer/1703296023) |

## What reviewers say

### Brain 2023

[App page](https://appshunter.io/ios/app/brain-2023/id6449606714)

**Features:** macOS Compatibility

**In-app purchases:** none


### LEMMA

[App page](https://appshunter.io/ios/app/lemma/id6462723137)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Brain 2023 free?

Brain 2023 is free to download, with no in-app purchases.

### Is LEMMA free?

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

### Do Brain 2023 or LEMMA have ads?

LEMMA shows ads; Brain 2023 does not.

### Which is updated more often, Brain 2023 or LEMMA?

Brain 2023 ships an update weekly, and LEMMA every 2 months. Most recently, Brain 2023 was updated on October 9, 2026 and LEMMA on October 12, 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.*