# Brain Training, Know brain age vs Primal Fun

The clearest difference is ads: Primal Fun at none against Brain Training, Know brain age's shown. Primal Fun also leads on update cadence (every 2 days vs every 3 months) and review sentiment (100% vs 82%). Brain Training, Know brain age's advantage is iOS requirement (9.0 vs 17.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Brain Training, Know brain age sells 1 one-off in-app purchase and Primal Fun sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Brain Training, Know brain age ships an update every 3 months, Primal Fun every 2 days. The most recent releases landed on November 10, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Brain Training, Know brain age | Primal Fun |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (238 ratings)](https://appshunter.io/ios/app/brain-training-know-brain-age/id633246396/reviews)** | — |
| Number of ratings | **238** | — |
| Positive reviews | 82.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 24 MB | 126 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [QQ TSUBASA](https://appshunter.io/developer/568750169) | [Juyeon Yu](https://appshunter.io/developer/1499305185) |

## What reviewers say

### Brain Training, Know brain age

[App page](https://appshunter.io/ios/app/brain-training-know-brain-age/id633246396)

Test your cognitive abilities with quick, engaging games to determine your brain age. Improve observation, memory, judgment, and reaction skills through daily challenges and puzzles.

**Highlights:** Brain age assessment, Quick 30-second games, Observation challenges, Memory tests, Judgment and intuition games, Daily puzzle games, General cognitive test

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Brain Training - Premium Edition (without ads) | $1.99 | one-time |

**What reviewers like**

- 👍 Helps train brain
- 👍 Enjoyable daily brain games
- 👍 Good game, perfect time filler
- 👍 Keeps brain alert and shows when not well
- 👍 Fantastic game, highly recommended

**What reviewers complain about**

- 🐛 Unclear instructions for some games
- 🐛 Issues with calculation section (incorrect crosses)
- 🐛 Individual game scores not updated regularly

**Reported bugs**

- Help section not working
- Incompatibility with older devices

**Requested features**

- More game variety
- Option to save progress and sync across devices
- Detailed breakdown of scores and performance


### Primal Fun

[App page](https://appshunter.io/ios/app/primal-fun-party-games/id6818064394)

A collection of 23 mini-games designed for 2-6 players using a single phone. Enjoy quick rounds and instant fun across various senses, with options for solo practice or tournament-style play. Unlock all games with a one-time purchase.

**Highlights:** 23 mini-games across 5 senses, Playable on a single phone, Supports 2-6 players, Instant gameplay, no complex rules, Tournament-style play, Solo practice mode, Offline play

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Games | $2.99 | one-time |


## Frequently asked questions

### Is Brain Training, Know brain age free?

Brain Training, Know brain age is free to download, with in-app purchases available.

### Is Primal Fun free?

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

### Do Brain Training, Know brain age or Primal Fun have ads?

Brain Training, Know brain age shows ads; Primal Fun does not.

### Which is updated more often, Brain Training, Know brain age or Primal Fun?

Brain Training, Know brain age ships an update every 3 months, and Primal Fun every 2 days. Most recently, Brain Training, Know brain age was updated on November 10, 2026 and Primal Fun on November 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.*