Comparison

Zero/Sum vs Puzzlink

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

Head to head
About

Zero/Sum

Solve mathematical puzzles to uncover a cure for cancer in this unique puzzle game. Experience an 80s action movie-inspired storyline with live-action cinematics and a variety of fresh puzzle mechanics. Features daily challenges and time trials.

Highlights
  • Unique and original puzzle gameplay
  • 80s action movie-inspired storyline
  • Full motion video cinematics with real actors
  • Variety of puzzle types (melting, number)
  • Daily Challenge Mode with new puzzles
  • Time Trial mode
Features
Read full description

On the eve of discovering a mathematical cure for cancer, your mentor, Professor Claire Liddy, is murdered. Fortunately, before she died, the Professor was able to erase many of the plus and minus signs with her bloody hands, saving the cure from falling into the hands of her killers. Now it is up to you to fill back in the missing parts of the equation and resolve your professor's cure. It's up to you to cure cancer -- AGAIN! (It's a comedy). FEATURES - A completely UNIQUE and ORIGINAL puzzle game! - Puzzle gameplay that will make you feel and look SMART! - A thrilling, 80s ACTION MOVIE-inspired storyline! - Full motion video GREEN SCREEN cinematics! With REAL human ACTORS! - NO mention of CANDY or CUPCAKES or sweets of any kind in the story at all! - A variety of different puzzle types and mechanics to keep things FRESH (melting puzzles, number puzzles, and so much more)! - A Daily Challenge Mode featuring 10 NEW puzzles EVERY DAY! - Time Trial mode - try to beat your best time on RANDOM PUZZLES! - Completely INDEPENDENTLY developed and published! (Support your local punk band)! I ignored my newborn child to make this game, please ignore yours to play it!* *Note: I worked on the game every night after my son fell asleep, there is nothing more important to me than being a father. That being said, this game is a CLOSE second. Like neck and neck, really.

About

Puzzlink

Features
Read full description

If you like our Links Puzzle game, this fun and challenging puzzle game is everything you have ever wanted: a unique, simple, minimalist, and smart game to spend your free time, challenge your friends, and increase your IQ. Puzzlink is an easy-to-learn puzzle game but hard to beat. The dynamics of the game are a complete challenge for those who like logic games. Puzzlink also causes an effect similar to the Tetris Effect, so it increases our brain activity the more you play. Play this link puzzle only once, and then you won't be able to put it down. What are you waiting for? Download Puzzlink NOW! Start playing this fun and extraordinary game. SIMPLE: The goal is simple: Move every tile (whose moves are determined by its links with other tiles) until joining the incomplete pieces. CHALLENGING: Developed by AleC Games, this game is more challenging than our previous games. STRATEGIC: No pressure! There is no time limit, which allows you to develop your strategy at your own pace. FUN: Level after level, you will find different and fun challenges. FREE: Puzzlink is completely free, and you can play it as long as you want at no cost. However, you can always pay a symbolic amount to remove advertising. Features: Unique and minimalist design Hint system to help you solve the puzzles Daily rewards. Do you need more clues? No problem, earn up to 2 hints each day by opening Puzzlink. Just a couple of minutes a day with this mind puzzle game will help you activate your brain. Enjoy this brain-training addictive game at home or at work, in a park or on a bus—in other words, everywhere!

Screenshots

Zero/Sum4 screens
Puzzlink4 screens

Verdict

The call

The clearest difference is in-app purchases: Zero/Sum at none against Puzzlink's 1. Zero/Sum also leads on ads (none vs shown) and update cadence (every 2 months vs every 5 months). 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. Puzzlink sells 1 one-off in-app purchase. Zero/Sum asks for nothing beyond the download.

UpkeepUpdate frequency

Zero/Sum ships an update every 2 months, Puzzlink every 5 months. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

Scorecard4 real differences · 6 level
Zero/Sum versus Puzzlink: the parameters behind the verdict, then further details
ParameterZero/SumPuzzlink
PriceFreeFree
Rating4.2 (27 ratings) — better—
Positive reviews53.8% of reviews—
Number of ratings27 — better—
Update frequencyEvery 2 months — betterEvery 5 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better13.0
Further details — not scored
Size973 MB21 MB
Age rating12+4+
DeveloperSean KearneyViviana Baeza

In-app purchases

None

Zero/Sum

No in-app purchases

1 purchases

Puzzlink

One-time1
  • Remove Ads$0.99

Questions

Is Zero/Sum free?
Zero/Sum is free to download, with no in-app purchases.
Is Puzzlink free?
Puzzlink is free to download, with in-app purchases available.
Do Zero/Sum or Puzzlink have ads?
Puzzlink shows ads; Zero/Sum does not.
Which is updated more often, Zero/Sum or Puzzlink?
Zero/Sum ships an update every 2 months, and Puzzlink every 5 months. Most recently, Zero/Sum was updated on November 2, 2026 and Puzzlink on November 6, 2026.

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