Comparison

Otteretto vs Parcel Locker master

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Unique palindrome puzzle mechanics
  • Five endlessly replayable game modes
  • Daily global competition
  • Logical reasoning puzzles
  • Competitive cross-platform leaderboards
  • No ads or microtransactions
Features
Read full description

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.

About

Parcel Locker master

Features
Read full description

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

Otteretto4 screens
Parcel Locker master4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Otteretto sells 1 one-off in-app purchase. Parcel Locker master asks for nothing beyond the download.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
Otteretto versus Parcel Locker master: the parameters behind the verdict, then further details
ParameterOtterettoParcel Locker master
PriceFreeFree
Rating5.0 (8 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings8 — better—
Update frequencyEvery 9 monthsEvery 2 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.012.0 — better
Further details — not scored
Size14 MB52 MB
Age rating4+4+
DeveloperChristopher KlimowskiOliver Rozsa

In-app purchases

1 purchases

Otteretto

One-time1
  • Full Game Upgrade$2.99
None

Parcel Locker master

No in-app purchases

Questions

Is Otteretto free?
Otteretto is free to download, with in-app purchases available.
Is Parcel Locker master free?
Parcel Locker master is free to download, with no in-app purchases.
Do Otteretto or Parcel Locker master have ads?
Parcel Locker master shows ads; Otteretto does not.
Which is updated more often, Otteretto or Parcel Locker master?
Otteretto ships an update every 9 months, and Parcel Locker master every 2 days. Most recently, Otteretto was updated on June 21, 2026 and Parcel Locker master on September 14, 2026.

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