Zeroing vs Thirteen Two
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Zeroing
This puzzle game challenges players to reduce all numbers on a board to zero. Clicking a positive number decrements it and its neighbors, with zeros resetting to four. It's a logic-based experience designed to engage your mind.
- Zero-sum board manipulation
- Neighboring number interaction
- Logic-based puzzle solving
- Mind-engaging gameplay
- Simple click mechanics
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Zero is the game that lights up your mind Your goal is to set all values on the board to zero with a sequence of clicks. Every time you click on a positive number, that number is decremented by 1, and four neighbors are also decremented by 1. If some of the numbers you attempt to decrement are already zeros, those numbers are set to 4.
Thirteen Two
A puzzle game inspired by a challenging clock puzzle from Final Fantasy XIII-2. It offers multiple difficulty levels and tracks your progress, including winning streaks and total puzzles solved. Detailed instructions are included within the game.
- Clock puzzle gameplay
- Inspired by Final Fantasy XIII-2
- 4 difficulty levels
- Tracks winning streaks
- Tracks total puzzles played
- Tracks puzzles solved per difficulty
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Thirteen Two is a puzzle game based on the infamous clock puzzle from the game Final Fantasy XIII-2. Thirteen Two contains 4 different difficulty levels and offers endless fun or annoyance depending on what type of person you are. The game tracks winning streaks, total puzzles played and how many times you've solved a puzzle in any of the difficulties. Detailed instructions for how to play the game can be found in the game.
Screenshots
Verdict
The clearest difference is ads: Thirteen Two at none against Zeroing's shown. Thirteen Two also leads on monetization model (free vs ad-supported). Zeroing's advantage is iOS requirement (13.0 vs 16.4). On price, rating, ratings volume and update cadence 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Zeroing against 5.0 for Thirteen Two. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Zeroing ships an update every 18 months, Thirteen Two every 12 months. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.
| Parameter | Zeroing | Thirteen Two |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 18 months | Every 12 months — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, Apple Watch — better |
| Requires iOS | 13.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 31 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Ugo Chirico | Patrik Ell |
Customer experience
Zeroing
Thirteen Two
In-app purchases
Zeroing
No in-app purchases
Thirteen Two
No in-app purchases
