UnlockScrewPuzzle vs AltiStamp
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UnlockScrewPuzzle
Read full descriptionHide full description
Unlock Screw Puzzle is funny and easy to play, it's a nice game to help you exercise your brain and kill time. many levels included. try to pass all levels as soon as you can! How to play: Tap to select a screw and tap select a screw hole to put it in, when all screws in screw holes and none of screws is fixed on block, the level is passed! hundreds of levels are designed, waiting for you to challenge. Download and try it now! Thank you for download our games, we will keep upgrade it!
AltiStamp
Capture photos with real-time altitude, location, and time overlays. This app is ideal for outdoor activities like hiking and climbing, providing weather and UV ray information on your images.
- Real-time altitude recording
- Photo overlays with altitude and location
- Weather and UV ray information
- Suitable for outdoor activities
- Seamless puzzle integration
Read full descriptionHide full description
Altitude Imprint - record every altitude and journey. Real-time altitude, photos overlaid with information such as altitude, location and time, seamless puzzle, weather and UV rays, suitable for hiking, mountain climbing, cycling, camping and other outdoor scenes. Download Altitude Stamp now to start your altitude recording.
Screenshots
Verdict
The clearest difference is in-app purchases: UnlockScrewPuzzle at none against AltiStamp's 3. UnlockScrewPuzzle also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, ads 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. AltiStamp sells 3 in-app purchases, starting at $4.99 per month. UnlockScrewPuzzle asks for nothing beyond the download.
UnlockScrewPuzzle ships an update every 3 weeks, AltiStamp every 2 weeks. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.
| Parameter | UnlockScrewPuzzle | AltiStamp |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 27 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | 鹏飞 侯 | 群 彭 |
In-app purchases
UnlockScrewPuzzle
No in-app purchases
AltiStamp
- Premium Monthly3 Days trial$4.991 Month
- Premium Yearly3 Days trial$17.991 Year
- Lifetime Premium$16.00
Questions
Is UnlockScrewPuzzle free?
Is AltiStamp free?
Do UnlockScrewPuzzle or AltiStamp have ads?
Which is updated more often, UnlockScrewPuzzle or AltiStamp?
Other comparisons
