Fast MathB vs My Safe Prison
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Fast MathB
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Improve your mental math skills with our fast-paced and addictive math game! Solve a variety of math problems as quickly as possible to earn points and level up. With increasing difficulty levels and a variety of game modes, our app will challenge you to become a math master in no time. Download now and start improving your math skills while having fun!
My Safe Prison
Step into the role of a prison manager in this simulation game. Build new cell blocks, manage inmates, upgrade facilities, and earn money to expand your prison empire. Strategically plan and maintain order to rise to the top.
- Build new cell blocks
- Manage inmates strategically
- Upgrade facilities
- Earn money systematically
- Develop prison empire
- Monitor inmate stress levels
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Welcome, the guardian of order! Your new role as the prison manager in this immersive simulation game set in the heart of the criminal underworld. As you step into your position, your task is to bring order to the chaos and expand your prison using your unique skills. Open new cells, manage inmates, upgrade facilities, and earn money systematically as you navigate the complexities of prison life. Develop Your Prison: Begin by building new cell blocks, upgrading facilities, and expanding your prison. Enhance your infrastructure to accommodate more inmates and maintain order within your walls. Inmate Management: As the prison manager, your responsibilities include placing prisoners strategically, meeting their daily needs, and ensuring the smooth operation of your facility. Monitor stress levels and intervene promptly to prevent conflicts from escalating. Earn Money and Rise: Success in this game means generating steady income to further improve your prison. Invest in security upgrades, expand capacity with new cells, and establish your reputation as a top-notch manager in the criminal underworld. Attention and Strategy: Every decision you make will have consequences. Pay close attention to inmate behavior, devise strategic interventions to maintain order, and prevent chaos from erupting within your facility. Build and Manage Your Prison Empire: Immerse yourself in the world of prison management as you build and expand your empire from scratch. With a focus on strategic planning, attentive management, and unwavering control, rise to the top and establish yourself as the ultimate manager of law and order in the criminal world. Privacy Policy: https://www.udogames.com/legal/privacy-policy/
Screenshots
Verdict
The clearest difference is ads: Fast MathB at none against My Safe Prison's shown. Fast MathB also leads on update cadence (every 6 days vs every 3 weeks) and iOS requirement (12.0 vs 15.0). On price, in-app purchases 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. Fast MathB sells 5 one-off in-app purchases and My Safe Prison sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Fast MathB ships an update every 6 days, My Safe Prison every 3 weeks. The most recent releases landed on September 11, 2026 and September 13, 2026 respectively.
| Parameter | Fast MathB | My Safe Prison |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (779 ratings) — better |
| Positive reviews | — | 45.5% of reviews |
| Number of ratings | — | 779 — better |
| Update frequency | Every 6 days — better | Every 3 weeks |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 153 MB | 231 MB |
| Age rating | 17+ | 4+ |
| Developer | Salih Hamouda | UDO GAMES OYUN YAZILIM ANONIM SIRKETI |
Bugs and requests
Fast MathB
Not enough reviews yet to summarise bugs or requests.
My Safe Prison
Reported bugs
2 issues- Can't advance past level 4
- Facilities can't be upgraded after level 4
Requested features
3 requests- Make a sequel called 'My Safe Prison 2' where we can fight as prisoners
- Add 1-on-1 or gang fights, not just group fights
- Allow permanent hiring of helpers instead of 10-minute increments
In-app purchases
Fast MathB
- pack1$0.99
- vip1$0.99
- pack3$2.99
Show 2 moreShow fewer
- vip3$2.99
- pack5$4.99
My Safe Prison
- Handful of Gems$0.99
- Pile of Gems$3.99
- Stash of Gems$6.99
Show 4 moreShow fewer
- No Ads Pack$9.99
- Bag of gems$9.99
- 350 Gems$19.99
- 600 Gems$29.99
Questions
Is Fast MathB free?
Is My Safe Prison free?
Do Fast MathB or My Safe Prison have ads?
Which is updated more often, Fast MathB or My Safe Prison?
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