T4Two vs Crazy John
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
T4Two
Engage in a straightforward tennis-style game designed for two players. Enjoy a simple and direct competitive experience.
- Two-player gameplay
- Tennis-like mechanics
- Simple interface
- Casual gaming
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T4Two is a simple tennis-like game for two players.
Crazy John
Embark on a post-apocalyptic journey as a lone survivor fighting mutated zombies in underground tunnels. Upgrade weapons and stats, utilize power-ups, and battle bosses across eerie landscapes in a retro pixel art style.
- Creepy-cool pixel art style
- Unlimited levels
- Four eerie landscapes
- Full weapon upgrade system
- Full stat upgrade system
- Awesome power-ups and vehicles
- Crazy bosses
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*NOW FREE for a LIMITED TIME!* ZOMBIES roam the EARTH... HUMANITY takes REFUGE UNDERGROUND... ONE MAN makes a STAND... ▶▶▶ [2046] In the aftermath of total global nuclear warfare, humanity abandoned the surface of the earth, and relocated to a network of underground tunnels… Those few that remained above were contaminated by radioactive dust. The results were… horrifying… One man wasn't about to give up on the place he still called home. They called him crazy… Crazy John... ▶▶▶ • creepy-COOL pixel STYLE • UNLIMITED levels • 4 EERIE landscapes • FULL weapon UPGRADE sytem • FULL stat UPGRADE system • AWESOME power-ups and VEHICLES • FANTASTIC sound-track • CRAZY BOSSES! ▶▶▶ http://twitter.com/TRINITIgames http://facebook.com/TRINITIgames
Screenshots
Verdict
The clearest difference is rating: Crazy John at 3.8 against T4Two's 2.5. Crazy John also leads on ads (none vs shown) and update cadence (every 4 weeks vs every 10 months). T4Two's advantage is in-app purchases (none vs 1) and ratings volume (9.4K vs 126). 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
Both are free to download. Crazy John sells 1 one-off in-app purchase. T4Two asks for nothing beyond the download.
Crazy John holds the better App Store score, 3.8 against 2.5. That said, the two scores are not equally well evidenced: T4Two has 9.4K ratings behind it against 126, so its average is the more settled of the two. Written reviews point the same way: 53% of T4Two's written reviews are positive against 66% of Crazy John's.
T4Two ships an update every 10 months, Crazy John every 4 weeks. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.
| Parameter | T4Two | Crazy John |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (9.4K ratings) | 3.8 (126 ratings) — better |
| Positive reviews | 52.8% of reviews | 65.9% of reviews — better |
| Number of ratings | 9.4K — better | 126 |
| Update frequency | Every 10 months | Every 4 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 3.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 27 MB |
| Age rating | 4+ | 17+ |
| Developer | Masayuki Akamatsu | Triniti Interactive Limited |
Customer experience
T4Two
Crazy John
User reviews
T4Two
From 9.4K App Store ratingsWhat we love
- 🚀 Classic app
- 🚀 Entertaining
- 👍 Fun multiplayer game
- 👍 Great for passing time
- 👍 Simple and fun
Room to improve
- 🐛 Accelerometer makes the game unfair
- 🐛 Difficult to control
- 🐛 Needs a 1-player mode
- 🐛 Requires a flat surface to play
Crazy John
From 126 App Store ratingsWhat we love
- 🚀 Addictive gameplay
- 👍 Retro graphics
- 💡 Variety of weapons and upgrades
- 🚀 Smooth controls
Room to improve
- 🐛 Money/coin bugs
- 🔁 Repetitive levels and missions
- 💰 Expensive in-app purchases
- 🐛 Compatibility issues with newer devices
Bugs and requests
T4Two
Reported bugs
2 issues- Accelerometer causes issues with gameplay
- Difficulty controlling the ball
Requested features
3 requests- Option to turn off accelerometer
- Add a 1-player mode against AI
- Improve visuals and controls
Crazy John
Reported bugs
3 issues- Incorrect coin/money rewards
- Crashes and freezes on certain devices
- Unresponsive controls at times
Requested features
5 requests- More enemy types and boss battles
- Multiplayer and co-op modes
- Expanded level and mission variety
- Character customization options
- Difficulty settings
In-app purchases
T4Two
No in-app purchases
Crazy John
- Crazy John $450K Pack$0.99
