Idle Prison Manager 3D vs Gadget Universe
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Idle Prison Manager 3D
Build and manage your own prison empire. Hire inmates for jobs, expand your facilities, and strive to become the ultimate prison tycoon. This simulation game challenges you to optimize operations and manage your growing correctional facility.
- Build the best prison
- Catch criminals
- Assign jobs to inmates
- Become prison manager
- Prison tycoon simulation
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Become the prison tycoon - catch and build! -Build the best prison in the world. -Catch the criminals, give them jobs and become the best prison manager in the world!
Gadget Universe
Become a tech mogul by making strategic decisions, designing your store, and attracting customers with the latest electronics. Upgrade and expand your business to dominate the market in this immersive simulation game.
- Strategic decision-making
- Store layout design
- Customer attraction
- Electronics sales
- Business expansion
- Market domination
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Gadget Universe lets you step into the shoes of a tech mogul. Make strategic decisions, design your store layout, and keep customers coming back for the hottest electronics. Upgrade, expand, and dominate the market in this immersive simulation experience.
Screenshots
Verdict
The clearest difference is rating: Gadget Universe at 3.8 against Idle Prison Manager 3D's 1.6. Idle Prison Manager 3D's advantage is update cadence (every 9 days vs every 3 weeks) and ratings volume (50 vs 9). On price, review sentiment, ads and in-app purchases 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.
Gadget Universe holds the better App Store score, 3.8 against 1.6. That said, the two scores are not equally well evidenced: Idle Prison Manager 3D has 50 ratings behind it against 9, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.
Idle Prison Manager 3D ships an update every 9 days, Gadget Universe every 3 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | Idle Prison Manager 3D | Gadget Universe |
|---|---|---|
| Price | Free | Free |
| Rating | 1.6 (50 ratings) | 3.8 (9 ratings) — better |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 50 — better | 9 |
| Update frequency | Every 9 days — better | Every 3 weeks |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 102 MB | 173 MB |
| Age rating | 4+ | 4+ |
| Developer | Brew Games | Lexcorp Technologies LLP |
Customer experience
Idle Prison Manager 3D
Gadget Universe
In-app purchases
Idle Prison Manager 3D
No in-app purchases
Gadget Universe
No in-app purchases
Questions
Is Idle Prison Manager 3D free?
Is Gadget Universe free?
Which has better reviews, Idle Prison Manager 3D or Gadget Universe?
Do Idle Prison Manager 3D or Gadget Universe have ads?
Which is updated more often, Idle Prison Manager 3D or Gadget Universe?
Other comparisons
