Flash Eye vs RRLL
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Flash Eye
Test your reflexes by tapping circles that appear randomly. Compete against your own speed in this simple yet challenging game.
- Reflex testing
- Speed tapping
- Random circle placement
- Simple gameplay
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This game is to test your reflexes. You contest a speed of touching circles at random position.
RRLL
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.
- Dynamic visual acuity measurement
- 10-second testing periods
- High score tracking
- Left/right screen touch controls
- Score-based feedback
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RRLL is a game that measures dynamic visual acuity. When you start the game, the measurement for 10 seconds will start. Let's measure with the aim of updating the high score. R: Touch the right half of the screen. L: Touch the left half of the screen. Good = score + 100 / Miss = score - 100
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Flash Eye | RRLL |
|---|---|---|
| Price | Free | Free |
| Rating | 1.5 (2 ratings) | 3.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 8 months — better | Every 10 months |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 30 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Hit Apps | YUSEI MIYOSHI |
Customer experience
Flash Eye
RRLL
In-app purchases
Flash Eye
No in-app purchases
RRLL
No in-app purchases
