Triptoy vs Underground
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Triptoy
Explore over 70 unique interactive visual experiences designed for relaxation and immersion. This app offers mesmerizing effects inspired by science and art, perfect for short breaks or extended engagement.
- Over 70 unique interactive toys
- Relaxing and engrossing gameplay
- Mesmerizing visual effects
- Inspired by science and art
- Calm and meditative experience
- Excellent soundtrack
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Prepare to get your mind blown by this one-of-a-kind interactive visual kaleidoscope of experiences. Each of the 70+ toys are designed to be thoroughly relaxing and engrossing as a perfect way to occupy your attention during those tiny gaps in your day, or to get lost in for hours at a time. Developed over the course of two years in 2016-2017 and recently revived for modern phone hardware, Triptoy blossomed out of a love for shader effects, chaotic systems, and cellular automata. Over time, Triptoy grew to incorporate ideas from mathematics, physics, computer graphics, biology, chemistry, computer science, and abstract art. Many of the toys are inspired by or directly modeled after real physical phenomena and mathematical systems, but with an emphasis on aesthetic appeal and interactivity. + Over 80 unique toys in one app! + Mesmerizing interactive experiences! + Calm and relaxing gameplay experience! + Mind-blowing visual effects unlike any other app!
Underground
Manage a post-apocalyptic bunker, balancing resources and survivor needs. Build diverse compartments, handle incidents, and make critical decisions about who to let in. Explore tunnels, trade, and fight threats to ensure your community's survival.
- Bunker compartment building
- Resource management (power, water, food)
- Survivor management (skills, health, stress)
- Incident resolution
- Metro exploration and combat
- Multiplayer trading and bonuses
- Mini-games for resources
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The world has fallen. You are the last hope for those knocking at your gates. Underground is a deep bunker-management sim where every decision echoes through your food, water, power — and your people's spirits. Build compartments across three floors, take in survivors at the airlock, keep your resources in balance, and don't let the bunker go dark. What's waiting for you: • A living bunker — 40+ compartment types: generator room, farm, med bay, laboratory, armory, district map, the old metro and more. Every room works differently and demands your attention. • Resources with consequences — power, water, food, air, parts, fuel. Run out of water and newcomers will walk right past your gates. Overheat the generator and an accident is only a matter of time. • People, not numbers — every resident has skills, health, stress and relationships. Quarrels, illness, theft, panic — incidents won't wait: you have limited time to solve a problem before it gets worse. • Arrivals at the gate — survivors keep coming to the airlock. Let them in, turn them away, or send them off with rations? Your bunker's reputation decides who shows up tomorrow. • Your own path — fortress, radio contact, autonomy, science, evacuation or a return to the surface. Goals will show you where to grow next. • The metro and recon — explore the tunnels, gather loot, trade with friends and fight off threats in the corridors. • Mini-games that matter — harvest crops, repair equipment, calm a panic: quick games earn resources and change how events end. • Friends in the game — add friends, meet their survivors at your gates, exchange resources and earn bonuses for playing together. • Play at your own pace — minimize the app and time in the bunker stops. Come back and pick up right where you left off. Who this game is for: If you love Fallout Shelter, This War of Mine, or management games with personality — this one is full of "what if I try it this way?" moments. Not a five-minute arcade, but a bunker that grows with you. Download. Open the airlock. Decide who gets in first.
Screenshots
Verdict
The clearest difference is price: Triptoy at Free against Underground's $0.29. Triptoy also leads on review sentiment (100% vs 71%) and ratings volume (43 vs 8). Underground's advantage is update cadence (every 3 days vs every 3 weeks) and chart position (#175 vs unranked). On rating, ads, in-app purchases and monetization model 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
Triptoy is free to download; Underground costs $0.29 up front. Triptoy sells 1 one-off in-app purchase and Underground sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for Triptoy against 5.0 for Underground. That said, the two scores are not equally well evidenced: Triptoy has 43 ratings behind it against 8, so its average is the more settled of the two. Written reviews are what separate them: 100% of Triptoy's written reviews are positive against 71% of Underground's.
Triptoy ships an update every 3 weeks, Underground every 3 days. The most recent releases landed on November 9, 2026 and November 12, 2026 respectively.
| Parameter | Triptoy | Underground |
|---|---|---|
| Price | Free — better | $0.29 |
| Rating | 5.0 (43 ratings) | 5.0 (8 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 70.8% of reviews |
| Number of ratings | 43 — better | 8 |
| Update frequency | Every 3 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Paid | Paid |
| Best chart rank | — | #175 — better |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 16.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 14 MB | 36 MB |
| Age rating | 4+ | 9+ |
| Developer | Bruce Hill | Sunspear Software LLC |
Customer experience
Triptoy
Underground
In-app purchases
Triptoy
- Extra Toys Pack$3.99
Underground
- Parts Crate (Small)$0.99
- Parts Crate (Medium)$1.99
- Supply Crate (Mixed)$1.99
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- Support the Shelter2 variants$2.99
- Parts Crate (Large)$3.99









