Change Game! vs CodeAB
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Change Game!
Build and manage a thriving city across diverse environments, balancing resource management, economic growth, and community well-being. Face environmental challenges like heat waves and rising sea levels as player actions impact the planet's climate.
- City building in various environments
- Resource and business management
- Farming, fishing, and livestock
- Environmental impact simulation
- Community health and happiness management
- Research and development investment
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Change Game - Play with the Planet! Build a city in an urban, rural, mountain, coastal or island environment; Supply it with power and water; Farm, fish and raise livestock; Create factories and businesses; Manage natural resources, and trade with other players; Invest in research, education and entertainment; Care for the health, happiness and well-being of your community. But watch out: the more you and the other players generate emissions on the planet, the greater the challenges you will face! You will encounter heat waves, droughts, floods, rising sea levels or the spread of new diseases… Will your city survive? Rise to the challenge and find out! Change Game was created, following the Game Thinking methodology, by the CMCC Foundation (Euro-Mediterranean Center on Climate Change) - the Italian centre for international and multidisciplinary research on the interactions between climate, socio-economic systems and natural ecosystems - with funding from Climate KIC EIT and development by Melazeta S.r.l., a company specialized in the development of educational games.
CodeAB
Test your logic and deduction skills in this addictive number puzzle game. Figure out the secret 4-digit code using hints after each guess. It's a fresh take on a classic puzzle, perfect for quick brain training.
- Deduction and logic gameplay
- Secret 4-digit code challenge
- Clues after every guess
- No leading zeros or repeating digits
- Quick brain training rounds
- Classic Bulls & Cows style
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What is the code? Who's on the first? What's on the second? Put your logic and deduction skills to the test with CodeAB, a fun and addictive number puzzle game! Meet CodeAB — a fresh spin on the classic Bulls & Cows number puzzle. Your challenge: figure out the secret 4-digit code before your guesses run out! Your goal is simple: find the secret 4-digit code. - No leading zeros. - No repeating digits. - Clues after every guess help guide you toward the solution. How It Works - A green number = correct digit in the correct place. - An orange number = correct digit in the wrong place. - Keep analyzing the hints until you crack the code! Why You’ll Love CodeAB - Easy to learn, hard to master - A fresh take on the classic “Bulls & Cows” logic game - Quick rounds that train your brain anytime, anywhere - Great for both casual players and puzzle enthusiasts Free to Play – Upgrade for Unlimited Fun - Play up to 10 rounds for free and then 3 rounds per day - Upgrade once ($2.99) to unlock unlimited play and remove interruptions - One-time purchase, no subscriptions Are you ready to put your logic to the ultimate test? Download CodeAB today and see how fast you can break the code!
Screenshots
Verdict
The clearest difference is rating: CodeAB at 5.0 against Change Game!'s 1.0. CodeAB also leads on review sentiment (100% vs 58%) and ratings volume (3 vs 1). Change Game!'s advantage is in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 6 weeks). On price, ads, monetization model 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. CodeAB sells 1 one-off in-app purchase. Change Game! asks for nothing beyond the download.
CodeAB holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 58% of Change Game!'s written reviews are positive against 100% of CodeAB's.
Change Game! ships an update every 3 weeks, CodeAB every 6 weeks. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.
| Parameter | Change Game! | CodeAB |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 58.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 3 weeks — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 541 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | CMCC Foundation | EssentialCapture Inc |
Customer experience
Change Game!
CodeAB
In-app purchases
Change Game!
No in-app purchases
CodeAB
- CodeAB$2.99









