# Gain Brain vs Synonym Swap

The clearest difference is in-app purchases: Gain Brain at none against Synonym Swap's 2. Gain Brain also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. Synonym Swap sells 2 one-off in-app purchases. Gain Brain asks for nothing beyond the download.

Gain Brain ships an update every 2 weeks, Synonym Swap every 6 weeks. The most recent releases landed on October 15, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Gain Brain | Synonym Swap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (8 ratings)](https://appshunter.io/ios/app/synonym-swap/id6502057643/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 79 MB | 63 MB |
| Requires iOS | **11.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ESTEL AITI GRUPP, OOO](https://appshunter.io/developer/1485864777) | [Avery Kovatch](https://appshunter.io/developer/1744357508) |

## What reviewers say

### Gain Brain

[App page](https://appshunter.io/ios/app/gain-brain/id1559907572)

**Features:** macOS Compatibility

**In-app purchases:** none


### Synonym Swap

[App page](https://appshunter.io/ios/app/synonym-swap/id6502057643)

A word game where players find rhyming synonyms for given hints to solve puzzles. Offers numerous levels, a daily challenge, and achievements to keep players engaged. Play at your own pace with no time limits.

**Highlights:** Rhyming synonym puzzles, Numerous levels, No time limit, Unlockable achievements, Daily puzzles, Progress saving

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Lives | $0.99 | one-time |
| 21 Lives | $4.99 | one-time |


## Frequently asked questions

### Is Gain Brain free?

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

### Is Synonym Swap free?

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

### Do Gain Brain or Synonym Swap have ads?

Synonym Swap shows ads; Gain Brain does not.

### Which is updated more often, Gain Brain or Synonym Swap?

Gain Brain ships an update every 2 weeks, and Synonym Swap every 6 weeks. Most recently, Gain Brain was updated on October 15, 2026 and Synonym Swap on October 18, 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.*