Chase The Monster vs RRLL
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Chase The Monster
Embark on a thrilling run and jump adventure to rescue a kidnapped princess. Dodge traps, leap over pitfalls, and engage in exciting boss battles by stomping on enemies. Collect coins to earn extra lives and achieve victory.
- Run and jump gameplay
- Dodge traps and obstacles
- Leap over pitfalls
- Boss fights
- Stomp monsters
- Collect coins for extra lives
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Quick to play, a run & jump action game! Your quest begins to rescue the kidnapped princess. Run to catch up with the monster horde and dodge traps and obstacles. Jump at the right time to leap over pitfalls. Boss fights turn into a thrilling chase. Run, dodge obstacles, and stomp the boss to win. How to Play: - Tap to jump, hold to perform a high jump - Avoid traps and pitfalls with precise timing - Stomp monsters to defeat them Rules: - Touching an obstacle, enemy, or falling into a pit means failure - When your lives reach 0, it’s game over - Collect 100 coins to gain an extra life!
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 review sentiment: Chase The Monster at 100% against RRLL's 0%. RRLL's advantage is update cadence (every 10 months vs every 24 months). On price, ads, in-app purchases and monetization model 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.
Chase The Monster ships an update every 24 months, RRLL every 10 months. The most recent releases landed on October 21, 2026 and October 17, 2026 respectively.
| Parameter | Chase The Monster | RRLL |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 24 months | Every 10 months — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 66 MB | 24 MB |
| Age rating | 9+ | 4+ |
| Developer | Yoshitaka Nagashima | YUSEI MIYOSHI |
Customer experience
Chase The Monster
RRLL
In-app purchases
Chase The Monster
No in-app purchases
RRLL
No in-app purchases









