# Reintro vs Phage

The clearest difference is in-app purchases: Phage at none against Reintro's 3. Phage also leads on update cadence (fortnightly vs monthly) and iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Reintro sells 3 in-app purchases, starting at $9.99 per month. Phage asks for nothing beyond the download.

Reintro ships an update monthly, Phage fortnightly. Both last shipped on October 31, 2026.

## The numbers

| Metric | Reintro | Phage |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Size | 173 MB | 39 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [BigBalli Consulting llc](https://appshunter.io/developer/363765325) | [JOSE LUIS BARRANCO AGUILERA](https://appshunter.io/developer/1895452340) |

## What reviewers say

### Reintro

[App page](https://appshunter.io/ios/app/reintro-fodmap-ibs-tracker/id6762067316)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


### Phage

[App page](https://appshunter.io/ios/app/phage/id6763753132)

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

**In-app purchases:** none


## Frequently asked questions

### Is Reintro free?

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

### Is Phage free?

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

### Do Reintro or Phage have ads?

Neither Reintro nor Phage shows ads.

### Which is updated more often, Reintro or Phage?

Reintro ships an update monthly, and Phage fortnightly. Most recently, Reintro was updated on October 31, 2026 and Phage on October 31, 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.*