# PFC Tracker vs 100日ダイエットAI

The clearest difference is ads: 100日ダイエットAI at none against PFC Tracker's shown. PFC Tracker's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. PFC Tracker sells 3 in-app purchases, starting at $0.99 per month and 100日ダイエットAI sells 4 in-app purchases, starting at $5.99 per year. Whichever you choose, the download price is not the number that matters.

PFC Tracker ships an update every 10 days, 100日ダイエットAI fortnightly. The most recent releases landed on May 19, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | PFC Tracker | 100日ダイエットAI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | — | Freemium |
| Size | 50 MB | 31 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [NAOYA ONO](https://appshunter.io/developer/1530328146) | [株式会社オポチュニティ](https://appshunter.io/developer/1740927723) |

## What reviewers say

### PFC Tracker

[App page](https://appshunter.io/ios/app/pfc-tracker/id6471544196)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $0.99 | per month |
| Support Developer | $0.49 | one-time |
| Remove ads | $14.99 | one-time |


### 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 Tracker free?

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

### 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 Tracker or 100日ダイエットAI have ads?

PFC Tracker shows ads; 100日ダイエットAI does not.

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

PFC Tracker ships an update every 10 days, and 100日ダイエットAI fortnightly. Most recently, PFC Tracker was updated on May 19, 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.*