# Dream Sage vs ByteFast

The clearest difference is in-app purchases: ByteFast at none against Dream Sage's 2. ByteFast also leads on update cadence (every 2 weeks vs every 3 months). Dream Sage's advantage is iOS requirement (13.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Dream Sage sells 2 in-app purchases, starting at $6.99 per month. ByteFast asks for nothing beyond the download.

Dream Sage ships an update every 3 months, ByteFast every 2 weeks. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Dream Sage | ByteFast |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 60 MB | 11 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Lukayn LTD](https://appshunter.io/developer/1566803248) | [ByteSeed](https://appshunter.io/developer/1896674402) |

## What reviewers say

### Dream Sage

[App page](https://appshunter.io/ios/app/dream-sage-ai-interpretation/id6757308165)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dream Sage Premium Monthly | $6.99 | per month |
| Dream Sage Premium Yearly | $39.99 | per year |


### ByteFast

[App page](https://appshunter.io/ios/app/bytefast-fasting-tracker-168/id6769618458)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Dream Sage free?

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

### Is ByteFast free?

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

### Do Dream Sage or ByteFast have ads?

Neither Dream Sage nor ByteFast shows ads.

### Which is updated more often, Dream Sage or ByteFast?

Dream Sage ships an update every 3 months, and ByteFast every 2 weeks. Most recently, Dream Sage was updated on October 28, 2026 and ByteFast on October 25, 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.*