# Chaos Clock vs Pi Generator

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.

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.

## The numbers

| Metric | Chaos Clock | Pi Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (12 ratings)](https://appshunter.io/ios/app/chaos-clock/id977164677/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pi-generator/id1083533056/reviews)** |
| Number of ratings | **12** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free | Free |
| Size | 13 MB | 35 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Special Treat, LLC](https://appshunter.io/developer/739067466) | [Mark Duenas](https://appshunter.io/developer/1083533055) |

## What reviewers say

### Chaos Clock

[App page](https://appshunter.io/ios/app/chaos-clock/id977164677)

Track time and dates according to Discordian principles and Erisian measurements. Features a countdown to X-Day and includes numerous Discordian holidays.

**Highlights:** Discordian date and time measurement, Erisian Time Measurement, Countdown to X-Day, St. Tib's Day and canonical Holydays, 165 Discordian Holydays

**Features:** macOS Compatibility

**In-app purchases:** none


### Pi Generator

[App page](https://appshunter.io/ios/app/pi-generator/id1083533056)

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.

**Highlights:** Generates up to 10,000 digits of pi, View up to 100,000 digits, Practice learning pi, Device performance testing

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |


## Frequently asked questions

### Is Chaos Clock free?

Chaos Clock is free to download, with no in-app purchases.

### Is Pi Generator free?

Pi Generator is free to download, with in-app purchases available.

### Which has better reviews, Chaos Clock or Pi Generator?

Pi Generator is rated higher. Chaos Clock averages 4.9 out of 5 from 12 ratings, while Pi Generator averages 5.0 from 2 ratings.

### Do Chaos Clock or Pi Generator have ads?

Neither Chaos Clock nor Pi Generator shows ads.

### Which is updated more often, Chaos Clock or Pi Generator?

Chaos Clock ships an update every 2 months, and Pi Generator every 10 days. Most recently, Chaos Clock was updated on October 6, 2026 and Pi Generator on October 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*