# Math Countdown vs Who is? 2 Brain Puzzle & Chats

The clearest difference is rating: Who is? 2 Brain Puzzle & Chats at 4.8 against Math Countdown's 2.0. Who is? 2 Brain Puzzle & Chats also leads on ratings volume (6.8K vs 1). Math Countdown's advantage is in-app purchases (none vs 8) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Who is? 2 Brain Puzzle & Chats sells 8 one-off in-app purchases. Math Countdown asks for nothing beyond the download.

Who is? 2 Brain Puzzle & Chats holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: Who is? 2 Brain Puzzle & Chats has 6.8K ratings behind it against 1, so its average is the more settled of the two.

Math Countdown ships an update monthly, Who is? 2 Brain Puzzle & Chats every 4 months. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Math Countdown | Who is? 2 Brain Puzzle & Chats |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/math-countdown/id1460485494/reviews) | **[4.8 (6.8K ratings)](https://appshunter.io/ios/app/who-is-2-brain-puzzle-and-chats/id1556510667/reviews)** |
| Number of ratings | 1 | **6.8K** |
| Positive reviews | — | 76.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 32 MB | 149 MB |
| Requires iOS | 13.0 | **12.5** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mikhail Razin](https://appshunter.io/developer/1460485493) | [UNICO STUDIO](https://appshunter.io/developer/1467451326) |

## What reviewers say

### Math Countdown

[App page](https://appshunter.io/ios/app/math-countdown/id1460485494)

Practice your math skills with this engaging game. Solve problems against the clock before time runs out. Improve your counting abilities in a fun, fast-paced environment.

**Highlights:** Timed problem solving, Improve counting skills, Fast-paced gameplay, Countdown timer, Engaging challenges

**Features:** macOS Compatibility

**In-app purchases:** none


### Who is? 2 Brain Puzzle & Chats

[App page](https://appshunter.io/ios/app/who-is-2-brain-puzzle-and-chats/id1556510667)

Engage in a riddle game featuring chat simulations to uncover secrets and solve puzzles. Interact with characters through dialogue, uncover clues, and test your logic and memory in this free brain teaser.

**Highlights:** Chat simulation system, Riddle and brain teaser levels, Memory and trivia puzzles, Uncover shocking secrets, Player-driven dialogue options, Artistic and funny graphics

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 300 Lamps | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |
| 600 Lamps | $2.99 | one-time |
| Special Pack | $2.99 | one-time |
| 1200 Lamps | $3.99 | one-time |
| 2500 Lamps | $4.99 | one-time |
| Supreme Pack | $9.99 | one-time |
| 10000 Lamps | $9.99 | one-time |

**What reviewers like**

- 👍 Fun and challenging game
- 🕵️‍♀️ Interesting detective-style gameplay
- 💬 Ability to chat with characters
- 🧠 Helps improve problem-solving skills

**What reviewers complain about**

- 🔍 Lack of new levels/content
- 📺 Excessive number of ads
- 🤔 Some questions are too advanced
- 🐛 Occasional bugs and glitches

**Reported bugs**

- Game freezing or becoming unplayable after completing levels
- Ads not loading properly or getting stuck
- Inconsistent performance across devices

**Requested features**

- More levels and content updates
- Reduced ad frequency
- Easier difficulty options
- Character customization


## Frequently asked questions

### Is Math Countdown free?

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

### Is Who is? 2 Brain Puzzle & Chats free?

Who is? 2 Brain Puzzle & Chats is free to download, with in-app purchases available.

### Which has better reviews, Math Countdown or Who is? 2 Brain Puzzle & Chats?

Who is? 2 Brain Puzzle & Chats is rated higher. Math Countdown averages 2.0 out of 5 from 1 ratings, while Who is? 2 Brain Puzzle & Chats averages 4.8 from 6.8K ratings.

### Do Math Countdown or Who is? 2 Brain Puzzle & Chats have ads?

Who is? 2 Brain Puzzle & Chats shows ads; Math Countdown does not.

### Which is updated more often, Math Countdown or Who is? 2 Brain Puzzle & Chats?

Math Countdown ships an update monthly, and Who is? 2 Brain Puzzle & Chats every 4 months. Most recently, Math Countdown was updated on November 3, 2026 and Who is? 2 Brain Puzzle & Chats on November 9, 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.*