Sudoku Pi vs Zoolitaire
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sudoku Pi
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Sudoku Pi is a finger-friendly Sudoku game that takes a refreshing new approach to how the game is played. We focus on minimizing finger movements and preventing mistakes. - Select numbers using a circular wheel. - Numbers that cannot be filled in are disabled in the wheel by default. - Effective note taking: Quickly "draw" multiple notes in a single movement. - Select one of five difficulty levels. - Highscore screen with random fortune quotes. - No ads, forever. The source code to Sudoku Pi is freely available from https://github.com/Couch-Chilis/Sudoku-Pi
Zoolitaire
A charming puzzle game inspired by classic peg solitaire, featuring adorable zoo animals and a variety of levels for all ages. Enjoy a free download with optional in-app purchases for game items.
- Peg solitaire gameplay
- Cute zoo animal theme
- Multiple levels and scenarios
- Challenging for all ages
- Free to download and play
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Based on the family favorite board game: Peg Solitaire but with cute zoo animals and many different levels and scenarios to challenge young and old. PLEASE NOTE! Zoolitaire is a free download and play, however, some game items can also be purchased for real money. If you don't want to use this feature, please disable in-app purchases in your device's settings. Also, under our Terms of Service and Privacy Policy, you must be at least 13 years of age to play or download Zoolitaire. Privacy Policy: https://zoolitaire.com/privacy.html Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula
Screenshots
Verdict
The clearest difference is price: Zoolitaire at Free against Sudoku Pi's $1.99. Zoolitaire also leads on update cadence (every 2 weeks vs every 2 months). Sudoku Pi's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement 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
Zoolitaire is free to download; Sudoku Pi costs $1.99 up front. Zoolitaire sells 2 in-app purchases, starting at $2.99 per 7 days. Sudoku Pi asks for nothing beyond the download.
Sudoku Pi ships an update every 2 months, Zoolitaire every 2 weeks. The most recent releases landed on September 17, 2026 and July 25, 2026 respectively.
| Parameter | Sudoku Pi | Zoolitaire |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 37 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | Arend van Beelen | Rustunit B.V. |
In-app purchases
Sudoku Pi
No in-app purchases
Zoolitaire
- Premium Subscription$2.997 Days
- Unlock 100 Premium Levels$0.99
