Mergetin vs Otteretto
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Mergetin
Engaging puzzle game where players merge identical numbers to create higher values. Strategically clear space for falling numbers to avoid filling the board and ending the game. Utilize combos for higher scores and protective barriers.
- Match same numbers to merge
- Create higher number values
- Clear space for falling numbers
- Utilize combos for extra score
- Barrier to stop falling numbers
- Addicting puzzle gameplay
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Addicting puzzle game with simple rules. Match three same numbers to merge them into higher number. Merging numbers also makes empty room for new numbers which fall from top. When there is no empty room for them, game will be over. So, make sure to merge as many numbers as possible using combos. Combos also give you extra score and fill your barrier, which will stop numbers falling for one turn. How high number can you get? Let's find out!
Otteretto
A unique puzzle game where players create palindromes using letters and otters. It offers multiple endlessly replayable game modes, including daily challenges and competitive leaderboards.
- Unique palindrome puzzle mechanics
- Five endlessly replayable game modes
- Daily global competition
- Logical reasoning puzzles
- Competitive cross-platform leaderboards
- No ads or microtransactions
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Otteretto is a puzzle game about palindromes (and otters). NEW PUZZLE CONCEPT This isn't another match-3 game; it's a whole new idea to wrap your head around! How long of a palindrome can you make? 5 ENDLESSLY-REPLAYABLE GAME MODES Classic: Try to reach each level's score goal in the addictive original mode. The Daily Stack: Join a global competition every day! How many points can you get from the same set of squares as everyone else? Puzzle: Use logical reasoning to figure out how to turn a set of squares into a single, massive palindrome! Containment: With more squares being added every move, how long can you keep the container from overflowing? Walls: In this challenging variant, you'll need to get creative to work around each level's impassable walls. COMPETE WITH THE WORLD See how you stack up with online, cross-platform leaderboards! NO ADS, NO MICROTRANSACTIONS Play Classic mode and the Daily Stack for free with no limits! If you like those, you can purchase the full game to permanently unlock the rest.
Screenshots
Verdict
The clearest difference is in-app purchases: Mergetin at none against Otteretto's 1. Mergetin also leads on ratings volume (145 vs 8) and iOS requirement (12.0 vs 14.0). Otteretto's advantage is ads (none vs shown) and rating (5.0 vs 4.7). On price, update cadence 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
Both are free to download. Otteretto sells 1 one-off in-app purchase. Mergetin asks for nothing beyond the download.
Otteretto holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Mergetin has 145 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 78% of Mergetin's written reviews are positive against 100% of Otteretto's.
Mergetin ships an update every 7 months, Otteretto every 9 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.
| Parameter | Mergetin | Otteretto |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (145 ratings) | 5.0 (8 ratings) — better |
| Positive reviews | 77.8% of reviews | 100.0% of reviews — better |
| Number of ratings | 145 — better | 8 |
| Update frequency | Every 7 months — better | Every 9 months |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 52 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Michal Gorny | Christopher Klimowski |
Customer experience
Mergetin
Otteretto
In-app purchases
Mergetin
No in-app purchases
Otteretto
- Full Game Upgrade$2.99
