Chaos Clock vs Pi Generator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chaos Clock
Track time and dates according to Discordian principles and Erisian measurements. Features a countdown to X-Day and includes numerous Discordian holidays.
- Discordian date and time measurement
- Erisian Time Measurement
- Countdown to X-Day
- St. Tib's Day and canonical Holydays
- 165 Discordian Holydays
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Timekeeping for Discordians. The first and only App to measure both date & time according to the Principia Discordia and the Erisian Time Measurement – from the first Sweetmorn in the season of Chaos, to the last Setting Orange of The Aftermath. Chaos Clock keeps a running countdown to X-Day, the end of the world according to the Church of the SubGenius! Includes St Tib's Day & the ten canonical Holydays, plus 165 Holydays celebrated by various Discordian denominations: • Pi Approximation Day • Defenestration of Prague Day • St. John the Blasphemist's Day • Festivus • New Year's Eve Eve • and more! Hail Eris! All hail Discordia!
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!
Screenshots
Verdict
The clearest difference is in-app purchases: Chaos Clock at none against Pi Generator's 1. Chaos Clock also leads on ratings volume (12 vs 2). Pi Generator's advantage is update cadence (every 10 days vs every 2 months). On price, rating, review sentiment and ads 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. Chaos Clock asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.9 for Chaos Clock against 5.0 for Pi Generator. That said, the two scores are not equally well evidenced: Chaos Clock has 12 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
Chaos Clock ships an update every 2 months, Pi Generator every 10 days. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.
| Parameter | Chaos Clock | Pi Generator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (12 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 12 — better | 2 |
| Update frequency | Every 2 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 13 MB | 35 MB |
| Age rating | 12+ | 4+ |
| Developer | Special Treat, LLC | Mark Duenas |
Customer experience
Chaos Clock
Pi Generator
In-app purchases
Chaos Clock
No in-app purchases
Pi Generator
- Remove ads$1.99
Questions
Is Chaos Clock free?
Is Pi Generator free?
Which has better reviews, Chaos Clock or Pi Generator?
Do Chaos Clock or Pi Generator have ads?
Which is updated more often, Chaos Clock or Pi Generator?
Other comparisons
