# Brain Who? Tricky Riddle Tests vs HARDSUM

The clearest difference is in-app purchases: HARDSUM at none against Brain Who? Tricky Riddle Tests's 9. HARDSUM also leads on ads (none vs shown) and update cadence (every 9 days vs every 3 weeks). Brain Who? Tricky Riddle Tests's advantage is chart position (#120 vs unranked). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Brain Who? Tricky Riddle Tests sells 9 in-app purchases, starting at $6.99 per 7 days. HARDSUM asks for nothing beyond the download.

Brain Who? Tricky Riddle Tests ships an update every 3 weeks, HARDSUM every 9 days. The most recent releases landed on November 12, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Brain Who? Tricky Riddle Tests | HARDSUM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (182K ratings)](https://appshunter.io/ios/app/brain-who-tricky-riddle-tests/id1526842079/reviews)** | — |
| Number of ratings | **182K** | — |
| Positive reviews | 14.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#120** | — |
| Size | 388 MB | 40 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 12+ |
| Developer | [Teos Oyun](https://appshunter.io/developer/1689819007) | [Black Lotus Development Agency Ltd](https://appshunter.io/developer/1843846184) |

## What reviewers say

### Brain Who? Tricky Riddle Tests

[App page](https://appshunter.io/ios/app/brain-who-tricky-riddle-tests/id1526842079)

**Currently charting:** #120 Top Grossing · Word, #139 Top Free · Word (US App Store)

Engage your mind with challenging riddles and logic puzzles designed to test your intelligence and creativity. Solve intricate mysteries, uncover clues, and train your brain daily with hundreds of fun trivia games and tricky puzzles.

**Highlights:** Mind-bending riddles and logic puzzles, Hundreds of trivia games and brain teasers, Solve mysteries and uncover clues, Daily brain training challenges, IQ test challenges, Intuitive gameplay with sleuthing

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Diamond Membership | $6.99 | per 7 days |
| Diamond Membership (Notrial) | $6.99 | per 7 days |
| Remove Ads Discounted | $2.99 | one-time |
| 500 Brain Points | $3.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Brian's Choice | $5.99 | one-time |
| Brian's-Choice | $5.99 | one-time |
| Ultimo Pack | $7.99 | one-time |
| Ultimo-Pack | $7.99 | one-time |

**What reviewers like**

- 🤩 Challenging and engaging puzzles
- 👍 Quirky and personable game character
- 💡 Educational historical facts

**What reviewers complain about**

- 😡 Excessive and unskippable ads
- 🐛 Bugs and glitches affecting gameplay
- 🤔 Repeated or illogical puzzle solutions

**Reported bugs**

- Levels not loading or freezing
- Inability to claim rewards or use hints
- Incorrect answers marked as correct

**Requested features**

- Reduce frequency of ads
- Improve puzzle logic and consistency
- Add more levels and increase difficulty


### HARDSUM

[App page](https://appshunter.io/ios/app/hardsum/id6787540780)

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

**In-app purchases:** none


## Frequently asked questions

### Is Brain Who? Tricky Riddle Tests free?

Brain Who? Tricky Riddle Tests is free to download, with in-app purchases available.

### Is HARDSUM free?

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

### Do Brain Who? Tricky Riddle Tests or HARDSUM have ads?

Brain Who? Tricky Riddle Tests shows ads; HARDSUM does not.

### Which is updated more often, Brain Who? Tricky Riddle Tests or HARDSUM?

Brain Who? Tricky Riddle Tests ships an update every 3 weeks, and HARDSUM every 9 days. Most recently, Brain Who? Tricky Riddle Tests was updated on November 12, 2026 and HARDSUM on November 8, 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.*