# By Rule vs RefMasters Community

The clearest difference is update cadence: RefMasters Community at weekly against By Rule's every 3 weeks. RefMasters Community also leads on ratings volume (191 vs 20). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. By Rule sells 7 in-app purchases, starting at $1.99 per month and RefMasters Community sells 13 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for By Rule against 4.9 for RefMasters Community. That said, the two scores are not equally well evidenced: RefMasters Community has 191 ratings behind it against 20, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

By Rule ships an update every 3 weeks, RefMasters Community weekly. The most recent releases landed on September 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | By Rule | RefMasters Community |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (20 ratings)](https://appshunter.io/ios/app/by-rule/id1532845521/reviews)** | [4.9 (191 ratings)](https://appshunter.io/ios/app/refmasters-community/id6504641014/reviews) |
| Number of ratings | 20 | **191** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 185 MB | 129 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 9+ |
| Developer | [Daniel Aupont](https://appshunter.io/developer/1532845523) | [RefMasters.com LLC](https://appshunter.io/developer/1640142867) |

## What reviewers say

### 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 (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| By Rule Pro Monthly | $1.99 | per month |
| By Rule Standard Monthly | $6.99 | per month |
| By Rule Pro | $6.99 | per month |
| By Rule Pro Annual | $17.99 | per year |
| By Rule Pro Monthly | $19.99 | per month |
| By Rule Pro Annual | $19.99 | per year |
| By Rule Pro | $179.99 | per year |


### RefMasters Community

[App page](https://appshunter.io/ios/app/refmasters-community/id6504641014)

This platform connects sports officials, players, coaches, and fans to learn, discuss, and improve their understanding of sports. Engage with professionals, share insights on plays, and access educational content to elevate your game and network within the sports community.

**Highlights:** Connect with professional referees and umpires, Discuss and debate plays and trends, Develop a professional profile, Attend film sessions for skill development, Take quizzes to test sports knowledge, Access athlete and coach-related content

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $9.99 | per month |
| Monthly Plan | $11.99 | per month |
| Monthly Plan | $11.99 | per month |
| Monthly Plan | $24.99 | per month |
| Monthly Plan | $29.99 | per month |
| Monthly Plan | $29.99 | per month |
| Annual Plan | $64.99 | per year |
| Annual Plan | $119.99 | per year |
| Annual Plan | $119.99 | per year |
| Annual Plan | $299.99 | per year |
| Annual Plan | $299.99 | per year |
| One Time Purchase Plan | $499.99 | one-time |
| One Time Purchase Plan | $599.99 | one-time |


## Frequently asked questions

### Is By Rule free?

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

### Is RefMasters Community free?

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

### Which has better reviews, By Rule or RefMasters Community?

By Rule is rated higher. By Rule averages 5.0 out of 5 from 20 ratings, while RefMasters Community averages 4.9 from 191 ratings.

### Do By Rule or RefMasters Community have ads?

Neither By Rule nor RefMasters Community shows ads.

### Which is updated more often, By Rule or RefMasters Community?

By Rule ships an update every 3 weeks, and RefMasters Community weekly. Most recently, By Rule was updated on September 21, 2026 and RefMasters Community on October 24, 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.*