# Flash Eye vs RRLL

The clearest difference is rating: RRLL at 3.0 against Flash Eye's 1.5. Flash Eye's advantage is iOS requirement (9.0 vs 12.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RRLL holds the better App Store score, 3.0 against 1.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Flash Eye ships an update every 8 months, RRLL every 10 months. The most recent releases landed on June 8, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Flash Eye | RRLL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (2 ratings)](https://appshunter.io/ios/app/flash-eye/id861246441/reviews) | **[3.0 (1 ratings)](https://appshunter.io/ios/app/rrll/id1611876569/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 8 months** | Every 10 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 30 MB | 24 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hit Apps](https://appshunter.io/developer/378755417) | [YUSEI MIYOSHI](https://appshunter.io/developer/1086550692) |

## What reviewers say

### Flash Eye

[App page](https://appshunter.io/ios/app/flash-eye/id861246441)

Test your reflexes by tapping circles that appear randomly. Compete against your own speed in this simple yet challenging game.

**Highlights:** Reflex testing, Speed tapping, Random circle placement, Simple gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### RRLL

[App page](https://appshunter.io/ios/app/rrll/id1611876569)

This game tests dynamic visual acuity by having players tap the correct half of the screen based on visual cues. Aim to beat your high score by accurately responding within a 10-second measurement period. Improve your reaction time and precision with this engaging challenge.

**Highlights:** Dynamic visual acuity measurement, 10-second testing periods, High score tracking, Left/right screen touch controls, Score-based feedback

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flash Eye free?

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

### Is RRLL free?

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

### Which has better reviews, Flash Eye or RRLL?

RRLL is rated higher. Flash Eye averages 1.5 out of 5 from 2 ratings, while RRLL averages 3.0 from 1 ratings.

### Do Flash Eye or RRLL have ads?

Both Flash Eye and RRLL show ads.

### Which is updated more often, Flash Eye or RRLL?

Flash Eye ships an update every 8 months, and RRLL every 10 months. Most recently, Flash Eye was updated on June 8, 2026 and RRLL on September 20, 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.*