# IQ Boost vs Flashback

IQ Boost and Flashback both sit at 4.5 stars, but that hides the real split: 47% of Flashback's written reviews are positive against 12% of IQ Boost's. Flashback also leads on ratings volume (171K vs 48K) and chart position (#19 vs #70). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. IQ Boost sells 9 in-app purchases, starting at $0.99 per 7 days and Flashback sells 13 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for IQ Boost against 4.6 for Flashback. Both are backed by a comparable volume of ratings — 48K and 171K respectively. Written reviews are what separate them: 12% of IQ Boost's written reviews are positive against 47% of Flashback's.

IQ Boost ships an update every 5 weeks, Flashback every 4 weeks. Both last shipped on September 27, 2026.

## The numbers

| Metric | IQ Boost | Flashback |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (48K ratings)](https://appshunter.io/ios/app/iq-boost-training-brain-games/id1518047412/reviews) | **[4.6 (171K ratings)](https://appshunter.io/ios/app/flashback-tricky-fun-riddles/id1630338576/reviews)** |
| Number of ratings | 48K | **171K** |
| Positive reviews | 12.3% of reviews | **47.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 4 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | #70 | **#19** |
| Size | 347 MB | 520 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Brightika, Inc.](https://appshunter.io/developer/1545142276) | [Radiant Cat Studio](https://appshunter.io/developer/1691870591) |

## What reviewers say

### IQ Boost

[App page](https://appshunter.io/ios/app/iq-boost-training-brain-games/id1518047412)

**Currently charting:** #70 Top Free · Puzzle, #174 Top Free · Games (US App Store)

Engage in a collection of original and humorous logic puzzles, brain teasers, and memory exercises designed to challenge your intellect. Improve your concentration, abstract thinking, and overall mindset with fun, non-standard gameplay. Discover your IQ level and watch it grow as you play.

**Highlights:** Tricky puzzles and logic tests, Memory, attention, and logic training, Original and funny tasks, Non-standard colorful gameplay, Nontrivial challenges for all ages, Find out your IQ level

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads – Sale | $0.99 | per 7 days |
| Remove Ads – Sale | $1.99 | per 7 days |
| Remove Ads – Sale | $2.99 | per 7 days |
| Remove Ads | $4.99 | per 7 days |
| Pile of Tips | $1.99 | one-time |
| Startup Set | $1.99 | one-time |
| Bag of Tips | $2.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Mountain of Tips | $4.99 | one-time |

**What reviewers like**

- 🤔 Thought-provoking puzzles
- 🧠 Challenges the mind
- 👍 Fun and engaging gameplay

**What reviewers complain about**

- 🤯 Too many ads
- ⏱️ Ads interrupt gameplay
- 🐛 Glitches and bugs
- 🤔 Literal and unchallenging puzzles

**Reported bugs**

- Levels not progressing as expected
- Hints not working as intended
- Orientation issues on certain devices

**Requested features**

- More challenging levels
- Ability to skip ads
- Option to pay for ad-free experience


### Flashback

[App page](https://appshunter.io/ios/app/flashback-tricky-fun-riddles/id1630338576)

**Currently charting:** #19 Top Free · Adventure, #142 Top Free · Puzzle (US App Store)

Engage your mind with a unique puzzle game that challenges your thinking skills. Solve intricate riddles and IQ tests by manipulating time to uncover clues and reveal hidden truths. Prove your intelligence and become a master riddle solver.

**Highlights:** Time control gameplay, Challenging clues, Hundreds of puzzles, Brain training, Unique scenarios, Logical IQ tests

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Membership2 | $6.99 | per 7 days |
| 5 Hint | $0.99 | one-time |
| 5 Skip | $0.99 | one-time |
| Unlock All | $1.99 | one-time |
| Spin the Wheel | $1.99 | one-time |
| Moon's Limited Discount! | $2.99 | one-time |
| Moon's Golden Discount! | $3.99 | one-time |
| No ads | $4.99 | one-time |
| Moon's Lucky Package | $5.99 | one-time |
| Moon's Detective Package | $5.99 | one-time |
| Moon's Rich Package | $5.99 | one-time |
| Moon's Gold Package | $6.99 | one-time |
| Moon's Ultimate Package | $7.99 | one-time |

**What reviewers like**

- 💡 Helps improve problem-solving skills
- 🎮 Fun and entertaining gameplay
- 🧠 Challenges the mind
- 🕹️ Enjoyable for passing time

**What reviewers complain about**

- 🚧 Too many ads, disruptive to gameplay
- 💰 Paywall for removing ads
- 🐛 Glitches and freezing issues
- 🤔 Levels can be too easy

**Reported bugs**

- Levels not progressing after completing
- Incorrect or unhelpful hints
- Inability to click on correct answers

**Requested features**

- More challenging levels
- Ability to skip ads
- Expand level selection beyond 301
- Meaningful use for in-game currency


## Frequently asked questions

### Is IQ Boost free?

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

### Is Flashback free?

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

### Which has better reviews, IQ Boost or Flashback?

Flashback is rated higher. IQ Boost averages 4.5 out of 5 from 48K ratings, while Flashback averages 4.6 from 171K ratings.

### Do IQ Boost or Flashback have ads?

Both IQ Boost and Flashback show ads.

### Which is updated more often, IQ Boost or Flashback?

IQ Boost ships an update every 5 weeks, and Flashback every 4 weeks. Most recently, IQ Boost was updated on September 27, 2026 and Flashback on September 27, 2026.

### Which is more popular, IQ Boost or Flashback?

IQ Boost currently peaks at #70 in the App Store charts, and Flashback at #19. Chart position reflects recent download velocity rather than total install base.

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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.*