# Thullium vs SAVE YOUR BRAIN!

The clearest difference is in-app purchases: Thullium at none against SAVE YOUR BRAIN!'s 5. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SAVE YOUR BRAIN! sells 5 in-app purchases, starting at $0.99 per 7 days. Thullium asks for nothing beyond the download.

Thullium ships an update every 3 weeks, SAVE YOUR BRAIN! every 6 weeks. The most recent releases landed on September 14, 2026 and July 6, 2026 respectively.

## The numbers

| Metric | Thullium | SAVE YOUR BRAIN! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/save-your-brain/id6474693547/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | — | Freemium |
| Size | 5 MB | 20 MB |
| Requires iOS | **17.0** | 18.4 |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone, iPad, Vision Pro |
| Age rating | 4+ | 4+ |
| Developer | [Richard Simonik](https://appshunter.io/developer/1707862972) | [Tarek Mansour](https://appshunter.io/developer/301048985) |

## What reviewers say

### Thullium

[App page](https://appshunter.io/ios/app/thullium/id6466820347)

**In-app purchases:** none


### SAVE YOUR BRAIN!

[App page](https://appshunter.io/ios/app/save-your-brain/id6474693547)

Engage your mind with daily AI-generated trivia on any topic. Grow your virtual brain by answering questions quickly and building streaks. Unlock all content and features with a subscription.

**Highlights:** AI-generated trivia on any topic, Virtual brain growth mechanic, Daily streaks and challenges, Multiple difficulty levels, 12 language support, Apple Game Center leaderboards

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $0.99 | per 7 days |
| Full Version | $24.99 | per year |
| 50 Coin | $1.99 | one-time |
| 100 Coin | $2.99 | one-time |
| 200 Coin | $3.99 | one-time |


## Frequently asked questions

### Is Thullium free?

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

### Is SAVE YOUR BRAIN! free?

SAVE YOUR BRAIN! is free to download, with in-app purchases available.

### Do Thullium or SAVE YOUR BRAIN! have ads?

Neither Thullium nor SAVE YOUR BRAIN! shows ads.

### Which is updated more often, Thullium or SAVE YOUR BRAIN!?

Thullium ships an update every 3 weeks, and SAVE YOUR BRAIN! every 6 weeks. Most recently, Thullium was updated on September 14, 2026 and SAVE YOUR BRAIN! on July 6, 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.*