Crystal Flight vs Another Turing Machine
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Crystal Flight
Experience free flight within diverse crystal environments. Navigate your journey by simply tilting your iPhone or iPad to control direction.
- Free flight simulation
- Crystal environments
- Tilt-to-navigate controls
- iPhone and iPad support
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Fly freely in a variety of crystals. To navigate, simply tilt your iPhone or iPad in the direction you want to go.
Another Turing Machine
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Unlock the power of computation with this Turing Machine, a fully featured Turing machine simulator designed for learning, experimentation, and analysis. Key Features: - Single or Multi-Tape Support – Run programs on one or multiple tapes for complex simulations. - Flexible Alphabets – Use binary or decimal numbers or letters - Step-by-Step Execution – Watch the machine in action as it moves and modifies the tapes. - Share Your Programs – Export and share your Turing machine programs with others. - Generate PDF Reports – Save and share reports including your configuration, program logic, and execution results. Whether you're a student, researcher, or enthusiast exploring the fundamentals of computation, this Turing Machine provides an intuitive and powerful way to experiment with Turing machines. Download now and start exploring the world of theoretical computing!
Screenshots
Verdict
The clearest difference is price: Crystal Flight at Free against Another Turing Machine's $1.99. Another Turing Machine's advantage is update cadence (daily vs every 5 months). On ads, in-app purchases, device support and iOS requirement 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
Crystal Flight is free to download; Another Turing Machine costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Crystal Flight ships an update every 5 months, Another Turing Machine daily. The most recent releases landed on October 2, 2026 and October 9, 2026 respectively.
| Parameter | Crystal Flight | Another Turing Machine |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 17.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 4 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Jeff Weeks | Stefan JOSTEN |
In-app purchases
Crystal Flight
No in-app purchases
Another Turing Machine
No in-app purchases
Questions
Is Crystal Flight free?
Is Another Turing Machine free?
Do Crystal Flight or Another Turing Machine have ads?
Which is updated more often, Crystal Flight or Another Turing Machine?
Other comparisons
