Pi Generator vs Four Dimensional Space
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pi Generator
This app generates a large number of pi digits, up to 100,000. It also offers a practice mode for learning pi. Test your device's capabilities with extensive pi calculations.
- Generates up to 10,000 digits of pi
- View up to 100,000 digits
- Practice learning pi
- Device performance testing
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A simple pi generator. Generates a maximum 10,000 digits of pi in the latest version! Would you like to see more? Can your phone handle Pi? If you'd like to see more digits just let me know. Either way you can still view up to 100,000. Practice learning Pi too!
Four Dimensional Space
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Enter a rotating black hole and explore a visual experience beyond the limits of three-dimensional space. This app combines a glowing accretion disk with a conceptual 4D tesseract projected into 3D space, creating a dynamic and immersive visualization. Interact with the scene by adjusting tilt, rotation speed, and gravitational lensing strength to reveal new perspectives and distortions. Watch as the structure shifts and bends under the influence of the black hole’s gravity. No goals — just observe, explore, and experience a different dimension.
Screenshots
Verdict
The clearest difference is in-app purchases: Four Dimensional Space at none against Pi Generator's 1. Pi Generator's advantage is ads (none vs shown) and update cadence (every 10 days vs every 3 months). On price 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. Pi Generator sells 1 one-off in-app purchase. Four Dimensional Space asks for nothing beyond the download.
Pi Generator ships an update every 10 days, Four Dimensional Space every 3 months. The most recent releases landed on November 2, 2026 and November 9, 2026 respectively.
| Parameter | Pi Generator | Four Dimensional Space |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 10 days — better | Every 3 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 26.2 |
| Further details — not scored | ||
| Size | 35 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Mark Duenas | Toru Kawaguchi |
In-app purchases
Pi Generator
- Remove ads$1.99
Four Dimensional Space
No in-app purchases
Questions
Is Pi Generator free?
Is Four Dimensional Space free?
Do Pi Generator or Four Dimensional Space have ads?
Which is updated more often, Pi Generator or Four Dimensional Space?
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