# Pi Digits vs ChessLoops

The clearest difference is in-app purchases: Pi Digits at none against ChessLoops's 2. ChessLoops's advantage is update cadence (every 10 days vs monthly) and ratings volume (4 vs 1). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. ChessLoops sells 2 in-app purchases, starting at $2.99 per month. Pi Digits asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Pi Digits against 5.0 for ChessLoops. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Pi Digits ships an update monthly, ChessLoops every 10 days. The most recent releases landed on September 3, 2026 and July 11, 2026 respectively.

## The numbers

| Metric | Pi Digits | ChessLoops |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/pi-digits-memory-challenge/id6467522843/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/chessloops/id6758915748/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 11 MB | 42 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Slavka Polanova](https://appshunter.io/developer/1708764553) | [BRADLEY JOHN F LUND](https://appshunter.io/developer/1842684397) |

## What reviewers say

### Pi Digits

[App page](https://appshunter.io/ios/app/pi-digits-memory-challenge/id6467522843)

Test your ability to memorize and recall digits of Pi. Engage in fast-paced challenges to extend your streak and improve your number recall. Ideal for students, puzzle enthusiasts, or anyone seeking a quick mental workout.

**Highlights:** Memorize digits of Pi, Classic typing mode, Timed Blitz mode, Track best streaks, Quick brain workouts, Suitable for all levels

**Features:** macOS Compatibility, Family Sharing

**In-app purchases:** none


### ChessLoops

[App page](https://appshunter.io/ios/app/chessloops/id6758915748)

Master chess tactics with a proven repetition system. Drill puzzles until patterns become automatic, improving your speed and accuracy without extensive calculation. Track your progress and unlock new sets as you advance.

**Highlights:** Woodpecker Method training, Repeated puzzle drilling, Timed puzzle solving, Progress tracking, Puzzles rated 600-1400+, Pattern sets for openings, middlegames, and endgames

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChessLoops | $2.99 | per month |
| ChessLoops Year Pro | $19.99 | per year |


## Frequently asked questions

### Is Pi Digits free?

Pi Digits is free to download, with no in-app purchases.

### Is ChessLoops free?

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

### Which has better reviews, Pi Digits or ChessLoops?

Pi Digits and ChessLoops are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do Pi Digits or ChessLoops have ads?

Neither Pi Digits nor ChessLoops shows ads.

### Which is updated more often, Pi Digits or ChessLoops?

Pi Digits ships an update monthly, and ChessLoops every 10 days. Most recently, Pi Digits was updated on September 3, 2026 and ChessLoops on July 11, 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.*