# MetBloom vs HistaScan

The clearest difference is update cadence: MetBloom at weekly against HistaScan's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MetBloom ships an update weekly, HistaScan fortnightly. The most recent releases landed on October 7, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | MetBloom | HistaScan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Size | 67 MB | 8 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Metabolic Psychiatry Labs Inc.](https://appshunter.io/developer/1886167670) | [Elevate Mobile Group LLC](https://appshunter.io/developer/1783158161) |

## What reviewers say

### MetBloom

[App page](https://appshunter.io/ios/app/metbloom/id6760774489)

**In-app purchases:** none


### HistaScan

[App page](https://appshunter.io/ios/app/histascan-histamine-tracker/id6794844718)

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

**In-app purchases:** none


## Frequently asked questions

### Is MetBloom free?

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

### Is HistaScan free?

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

### Do MetBloom or HistaScan have ads?

Neither MetBloom nor HistaScan shows ads.

### Which is updated more often, MetBloom or HistaScan?

MetBloom ships an update weekly, and HistaScan fortnightly. Most recently, MetBloom was updated on October 7, 2026 and HistaScan on October 20, 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.*