# PFC vs 100日ダイエットAI

The clearest difference is in-app purchases: PFC at none against 100日ダイエットAI's 4. PFC also leads on iOS requirement (15.0 vs 17.0). 100日ダイエットAI's advantage is update cadence (fortnightly vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. 100日ダイエットAI sells 4 in-app purchases, starting at $5.99 per year. PFC asks for nothing beyond the download.

PFC ships an update every 5 weeks, 100日ダイエットAI fortnightly. The most recent releases landed on September 20, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | PFC | 100日ダイエットAI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | — | Freemium |
| Size | 28 MB | 31 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [kentaro kimoto](https://appshunter.io/developer/1593204765) | [株式会社オポチュニティ](https://appshunter.io/developer/1740927723) |

## What reviewers say

### PFC

[App page](https://appshunter.io/ios/app/pfc-checker/id1631821477)

**Features:** macOS Compatibility

**In-app purchases:** none


### 100日ダイエットAI

[App page](https://appshunter.io/ios/app/100ai/id6739611540)

Effortlessly track your diet and health with AI-powered photo analysis. Automatically calculate calories, monitor nutritional balance, and receive personalized advice to achieve your weight goals without the hassle of manual input.

**Highlights:** AI calorie and PFC analysis from photos, Nutritional balance scoring, Daily/weekly diet and weight reports, Weight and BMI tracking with graphs, Personalized diet plans, Food item ranking, AI-driven improvement advice

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 食事改善プレミアムプラン(年額) | $5.99 | per year |
| 食事改善プレミアムプラン（年額） | $11.99 | per year |
| 食事改善プラン(永久版) | $5.99 | one-time |
| 食事改善プラン（永久版） | $14.99 | one-time |


## Frequently asked questions

### Is PFC free?

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

### Is 100日ダイエットAI free?

100日ダイエットAI is free to download, with in-app purchases available.

### Do PFC or 100日ダイエットAI have ads?

Neither PFC nor 100日ダイエットAI shows ads.

### Which is updated more often, PFC or 100日ダイエットAI?

PFC ships an update every 5 weeks, and 100日ダイエットAI fortnightly. Most recently, PFC was updated on September 20, 2026 and 100日ダイエットAI on September 17, 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.*