# iAddThree vs Smart Riddles & Brain Teasers

The clearest difference is rating: iAddThree at 5.0 against Smart Riddles & Brain Teasers's 4.4. iAddThree also leads on review sentiment (100% vs 88%). Smart Riddles & Brain Teasers's advantage is ratings volume (37 vs 1) and iOS requirement (12.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. iAddThree sells 1 one-off in-app purchase and Smart Riddles & Brain Teasers sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

iAddThree holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Smart Riddles & Brain Teasers has 37 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of iAddThree's written reviews are positive against 88% of Smart Riddles & Brain Teasers's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iAddThree | Smart Riddles & Brain Teasers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/iaddthree/id1389962750/reviews)** | [4.4 (37 ratings)](https://appshunter.io/ios/app/smart-riddles-and-brain-teasers/id1499789408/reviews) |
| Number of ratings | 1 | **37** |
| Positive reviews | **100.0% of reviews** | 87.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 30 MB | 368 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nikolai Nobadi](https://appshunter.io/developer/1330360753) | [Mobile Analytics Poland sp. z o.o.](https://appshunter.io/developer/1734436507) |

## What reviewers say

### iAddThree

[App page](https://appshunter.io/ios/app/iaddthree/id1389962750)

Engage your mind with a unique math game that challenges your focus and cognitive abilities. The objective is to add three to each number presented, with a special rule where numbers wrap around to zero instead of forming double digits. This simple yet effective exercise provides a mental workout.

**Highlights:** Cognitive training, Focus improvement, Unique math rules, Brain exercise, High score challenges

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Smart Riddles & Brain Teasers

[App page](https://appshunter.io/ios/app/smart-riddles-and-brain-teasers/id1499789408)

Challenge your mind with creative and absurd solutions to tricky puzzles. This game offers innovative exercises to boost your IQ, logic, memory, and creativity. With numerous levels and constant updates, it provides a fun trivia experience for all ages.

**Highlights:** 160+ levels, Unexpected and humorous answers, IQ boosting exercises, Trivia for all ages, Constantly added new quizzes

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Diamonds | $0.99 | one-time |
| 10 Diamonds | $1.99 | one-time |
| 20 Diamonds | $2.99 | one-time |
| 500 Diamonds | $2.99 | one-time |
| Remove ADS | $3.99 | one-time |
| Special offer | $3.99 | one-time |
| 500 Diamonds + NoAds | $3.99 | one-time |
| 40 Diamonds | $4.99 | one-time |
| 2500 Diamonds Hot Offer | $4.99 | one-time |
| 2000 Diamonds | $6.99 | one-time |


## Frequently asked questions

### Is iAddThree free?

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

### Is Smart Riddles & Brain Teasers free?

Smart Riddles & Brain Teasers is free to download, with in-app purchases available.

### Which has better reviews, iAddThree or Smart Riddles & Brain Teasers?

iAddThree is rated higher. iAddThree averages 5.0 out of 5 from 1 ratings, while Smart Riddles & Brain Teasers averages 4.4 from 37 ratings.

### Do iAddThree or Smart Riddles & Brain Teasers have ads?

Both iAddThree and Smart Riddles & Brain Teasers show ads.

### Which is updated more often, iAddThree or Smart Riddles & Brain Teasers?

iAddThree ships an update every 3 weeks, and Smart Riddles & Brain Teasers every 3 weeks. Most recently, iAddThree was updated on October 14, 2026 and Smart Riddles & Brain Teasers on October 24, 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.*