Otteretto vs Parcel Locker master
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
Parcel Locker master
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Welcome to Parcel Locker, the ultimate puzzle game where your spatial awareness and strategic thinking are put to the test! In this game, you’re in charge of filling up a parcel locker with packages of various sizes. Your goal is to efficiently pack the locker, making sure every package has a perfect spot without wasting any space. How to Play: Sorting Packages: Each level presents you with a series of packages, ranging from small boxes to large parcels. Your task is to place them in the locker compartments. Locker Compartments: The locker is divided into multiple compartments, each designed to fit a specific size of the package. You’ll encounter small, medium, and large compartments. Strategic Placement: Carefully decide where to place each package. If you place a small package in a large compartment, you might run out of space for bigger packages later! To maximize efficiency, always aim to put small packages into small compartments and large packages into large ones. Space Management: As you progress through the levels, the available space becomes increasingly limited. Plan ahead to avoid running out of room. Misjudging a placement could leave you with an oversized package that has no available compartment! Features: Intuitive Controls: Simply drag and drop packages into the compartments. Challenging Levels: Test your skills across dozens of levels, each more complex than the last. Beautiful Graphics: Enjoy a clean and vibrant design that makes playing a pleasure. Tips for Success: Think Ahead: Before placing a package, consider the shape and size of the remaining packages. Use All Space Wisely: Sometimes, it’s better to leave smaller compartments empty if it means fitting a larger package perfectly. Learn from Mistakes: Don’t be afraid to restart a level if you’ve made a placement error—practice makes perfect! Get ready to become the ultimate parcel locker master! Download Parcel Locker now and start organizing like a pro. Can you complete all the levels with perfect efficiency? Start playing today and find out!
Screenshots
Verdict
The clearest difference is in-app purchases: Parcel Locker master at none against Otteretto's 1. Parcel Locker master also leads on update cadence (every 2 days vs every 9 months) and iOS requirement (12.0 vs 14.0). Otteretto's advantage is ads (none vs shown). On price 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. Parcel Locker master asks for nothing beyond the download.
Otteretto ships an update every 9 months, Parcel Locker master every 2 days. The most recent releases landed on June 21, 2026 and September 14, 2026 respectively.
| Parameter | Otteretto | Parcel Locker master |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (8 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 9 months | Every 2 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | Christopher Klimowski | Oliver Rozsa |
In-app purchases
Otteretto
- Full Game Upgrade$2.99
Parcel Locker master
No in-app purchases
Questions
Is Otteretto free?
Is Parcel Locker master free?
Do Otteretto or Parcel Locker master have ads?
Which is updated more often, Otteretto or Parcel Locker master?
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