# FODMAP記録アプリ vs Petal

The clearest difference is in-app purchases: FODMAP記録アプリ at none against Petal's 1. FODMAP記録アプリ also leads on update cadence (every 9 days vs every 6 weeks) and iOS requirement (15.0 vs 17.0). Petal's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Petal sells 1 one-off in-app purchase. FODMAP記録アプリ asks for nothing beyond the download.

FODMAP記録アプリ ships an update every 9 days, Petal every 6 weeks. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | FODMAP記録アプリ | Petal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 6 weeks |
| Size | 48 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Sae Ueno](https://appshunter.io/developer/1598709865) | [torankirite](https://appshunter.io/developer/1883564850) |

## What reviewers say

### FODMAP記録アプリ

[App page](https://appshunter.io/ios/app/fodmap/id6755952520)

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

**In-app purchases:** none


### Petal

[App page](https://appshunter.io/ios/app/petal-sensitive-skin-tracker/id6763860990)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Petal Premium | $3.99 | one-time |


## Frequently asked questions

### Is FODMAP記録アプリ free?

FODMAP記録アプリ is free to download, with no in-app purchases.

### Is Petal free?

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

### Do FODMAP記録アプリ or Petal have ads?

FODMAP記録アプリ shows ads; Petal does not.

### Which is updated more often, FODMAP記録アプリ or Petal?

FODMAP記録アプリ ships an update every 9 days, and Petal every 6 weeks. Most recently, FODMAP記録アプリ was updated on October 13, 2026 and Petal on October 8, 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.*