# FIBA iRef Library vs By Rule

The clearest difference is in-app purchases: FIBA iRef Library at none against By Rule's 2. FIBA iRef Library also leads on device support (3 vs 1) and iOS requirement (15 vs 18.0). By Rule's advantage is update cadence (every 3 weeks vs every 4 months) and ratings volume (20 vs 2). On price, rating and ads there is nothing between them.

Both are free to download. By Rule sells 2 in-app purchases, starting at $19.99 per month. FIBA iRef Library asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for FIBA iRef Library against 5.0 for By Rule. That said, the two scores are not equally well evidenced: By Rule has 20 ratings behind it against 2, so its average is the more settled of the two.

FIBA iRef Library ships an update every 4 months, By Rule every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | FIBA iRef Library | By Rule |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/fiba-iref-library/id1517988871/reviews) | [5.0 (20 ratings)](https://appshunter.io/ios/app/by-rule/id1532845521/reviews) |
| Number of ratings | 2 | **20** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 15 MB | 185 MB |
| Requires iOS | **15** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [FIBA](https://appshunter.io/developer/544723539) | [Daniel Aupont](https://appshunter.io/developer/1532845523) |

## What reviewers say

### FIBA iRef Library

[App page](https://appshunter.io/ios/app/fiba-iref-library/id1517988871)

Access a comprehensive collection of basketball officiating resources, including videos, manuals, and guidelines. Stay updated with the latest rules and interpretations for referees and officials at all levels.

**Highlights:** Basketball officiating resources, Public videos and manuals, Latest rules and interpretations, Grassroot to top-level content, For referees and officials

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

**In-app purchases:** none


### By Rule

[App page](https://appshunter.io/ios/app/by-rule/id1532845521)

Master NCAA basketball rules with this AI-powered study tool. Features flashcards, quizzes, audio rules, video clips, and instant AI interpretations to help officials, coaches, and players learn and track their progress.

**Highlights:** AI-powered study companion, Flashcards and quizzes, Audio rules and video clips, Instant AI rules interpretations, Progress tracking and analytics, Real-game scenarios

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| By Rule Pro Monthly | $19.99 | per month |
| By Rule Pro | $179.99 | per year |


## Frequently asked questions

### Is FIBA iRef Library free?

FIBA iRef Library is free to download, with no in-app purchases.

### Is By Rule free?

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

### Which has better reviews, FIBA iRef Library or By Rule?

FIBA iRef Library and By Rule are both rated 5.0 out of 5 on the App Store, from 2 and 20 ratings respectively.

### Do FIBA iRef Library or By Rule have ads?

Neither FIBA iRef Library nor By Rule shows ads.

### Which is updated more often, FIBA iRef Library or By Rule?

FIBA iRef Library ships an update every 4 months, and By Rule every 3 weeks. Most recently, FIBA iRef Library was updated on November 3, 2026 and By Rule on November 3, 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.*