Merge vs Rainbow Monsters
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Merge
Engage in a time-sensitive challenge to clear digital mess and defeat viruses. Navigate through numerous levels, utilizing funny music and graphics to aid your mission.
- 72 levels
- 12 bonus levels
- Game Center support
- Global leaderboard
- Facebook leaderboard
- Funny music and graphics
Read full descriptionHide full description
Now it is your job to clear all the mess around as the assistant . Watch out for the bad guys leaked in the viruses and be quick because professor gives you limited time. FEATURES * 72 level * 12 Bonus level * Game center support * Global leaderboaed * Facebook leaderboard * Funny musics and graphics MERGE THEM NOW!
Rainbow Monsters
A fun color-matching game where players guide monsters to eat falling rainbow pieces. Slide monsters left or right to match colors, with a numbers mode for easier identification. Compete with friends through Game Center and unlock achievements.
- Color matching gameplay
- Monster character control
- Falling rainbow pieces
- Numbers mode for colorblind players
- Game Center integration
- 23 unlockable achievements
Read full descriptionHide full description
Feed the Rainbow Monsters! Slide the monsters left or right to catch falling rainbow pieces with the matching color. It starts simply, then becomes faster and more challenging. How high can you score? COLORFUL ARCADE FUN Match seven colors, build streaks and discover bonuses while keeping your monsters fed. NUMBERS MODE Finding colors difficult to distinguish? Turn on Numbers mode to match the numbers on the falling pieces with the correct monster. ACHIEVEMENTS AND LEADERBOARDS Sign in to Game Center to discover 23 achievements and compete on the leaderboards. You can also enjoy the game without signing in. SHARE YOUR SCORES Share your high score or last score as an image, with a download link so friends can join the challenge. PLAY YOUR WAY Choose whether music and sound effects are enabled. No advertising—just colorful monster-feeding fun.
Screenshots
Verdict
The clearest difference is price: Merge at Free against Rainbow Monsters's $0.99. Merge also leads on in-app purchases (none vs 1) and iOS requirement (6.0 vs 17.6). Rainbow Monsters's advantage is rating (4.5 vs 2.3) and update cadence (every 2 months vs every 20 months). On ratings volume, ads and device support 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
Merge is free to download; Rainbow Monsters costs $0.99 up front. Rainbow Monsters sells 1 one-off in-app purchase. Merge asks for nothing beyond the download.
Rainbow Monsters holds the better App Store score, 4.5 against 2.3. Both are backed by a comparable volume of ratings — 3 and 2 respectively.
Merge ships an update every 20 months, Rainbow Monsters every 2 months. The most recent releases landed on October 21, 2026 and October 11, 2026 respectively.
| Parameter | Merge | Rainbow Monsters |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 2.3 (3 ratings) | 4.5 (2 ratings) — better |
| Positive reviews | 40.0% of reviews | — |
| Number of ratings | 3 — better | 2 |
| Update frequency | Every 20 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 6.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 37 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Funiza | NUIFISH LIMITED |
Customer experience
Merge
Rainbow Monsters
Bugs and requests
Merge
Reported bugs
12 issues- App crashes on level launch
- App crashes after completing levels
- App crashes during level transitions
- App crashes after intro comic
- Force closes on specific levels (2, 3, 13)
Show 7 moreShow fewer
- Crashes on bonus levels
- Game won't load past level 2
- Crashes on older devices (iPod Touch 4, iPhone 4)
- Crashes with iOS 6 and 7
- Blob selection doesn't register all matched pieces
- Game pauses unexpectedly during gameplay
- Redirects to App Store instead of launching game
Requested features
6 requests- Fix crashing issues across all levels
- Improve game stability and performance
- Better control precision for blob selection
- Delay bomb introduction to higher levels
- Improve physics consistency
Show 1 moreShow fewer
- Better level difficulty balancing
Rainbow Monsters
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Merge
No in-app purchases
Rainbow Monsters
- Remove Ads$1.99
