# B3 Runtime vs Daygo.ai

The clearest difference is in-app purchases: B3 Runtime at none against Daygo.ai's 2. B3 Runtime also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). Daygo.ai's advantage is update cadence (every 5 days vs every 3 weeks). On price and ads there is nothing between them.

Both are free to download. Daygo.ai sells 2 in-app purchases, starting at $4.99 per 7 days. B3 Runtime asks for nothing beyond the download.

B3 Runtime ships an update every 3 weeks, Daygo.ai every 5 days. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | B3 Runtime | Daygo.ai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 44 MB | 13 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [B3 Innovation AB](https://appshunter.io/developer/1736498082) | [Marijus Dovydaitis](https://appshunter.io/developer/1894489778) |

## What reviewers say

### B3 Runtime

[App page](https://appshunter.io/ios/app/b3-runtime/id6479606796)

**Features:** macOS Compatibility

**In-app purchases:** none


### Daygo.ai

[App page](https://appshunter.io/ios/app/daygoai/id6773255641)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Daygo Pro Weekly | $4.99 | per 7 days |
| Daygo - AI Health Coach | $99.99 | per year |


## Frequently asked questions

### Is B3 Runtime free?

B3 Runtime is free to download, with no in-app purchases.

### Is Daygo.ai free?

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

### Do B3 Runtime or Daygo.ai have ads?

Neither B3 Runtime nor Daygo.ai shows ads.

### Which is updated more often, B3 Runtime or Daygo.ai?

B3 Runtime ships an update every 3 weeks, and Daygo.ai every 5 days. Most recently, B3 Runtime was updated on September 17, 2026 and Daygo.ai on September 18, 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.*