# SubAssist vs B

The clearest difference is in-app purchases: B at none against SubAssist's 2. SubAssist's advantage is update cadence (every 10 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SubAssist sells 2 in-app purchases, starting at $0.49 per month. B asks for nothing beyond the download.

SubAssist ships an update every 10 days, B every 2 months. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SubAssist | B |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | — | Free |
| Size | 79 MB | 32 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Casual Fridays Ltd.](https://appshunter.io/developer/1806995025) | [SportFix Pty Ltd](https://appshunter.io/developer/1093114280) |

## What reviewers say

### SubAssist

[App page](https://appshunter.io/ios/app/subassist-rotation-timer/id6744306241)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.49 | per month |
| Premium Yearly | $5.99 | per year |


### B

[App page](https://appshunter.io/ios/app/b-ball-subs/id6759851869)

This app simplifies basketball game management by automatically generating fair substitution rotations. It allows coaches to track player time in real-time, manage multiple teams, and adjust for mid-game changes, ensuring every player gets equal court time.

**Highlights:** Fair rotation generator, Multiple team management, Real-time game progress tracking, Unscheduled substitution handling, Playtime summary, Persistent rosters

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

**In-app purchases:** none


## Frequently asked questions

### Is SubAssist free?

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

### Is B free?

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

### Do SubAssist or B have ads?

Neither SubAssist nor B shows ads.

### Which is updated more often, SubAssist or B?

SubAssist ships an update every 10 days, and B every 2 months. Most recently, SubAssist was updated on October 9, 2026 and B on October 24, 2026.

---

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