# インターバルタイマーforトレーニング2 Pro vs PFC Tracker

The clearest difference is price: PFC Tracker at Free against インターバルタイマーforトレーニング2 Pro's $3.99. PFC Tracker also leads on update cadence (every 10 days vs every 2 months). インターバルタイマーforトレーニング2 Pro's advantage is in-app purchases (none vs 3) and iOS requirement (11.0 vs 13.0). On ads and device support there is nothing between them.

PFC Tracker is free to download; インターバルタイマーforトレーニング2 Pro costs $3.99 up front. PFC Tracker sells 3 in-app purchases, starting at $0.99 per month. インターバルタイマーforトレーニング2 Pro asks for nothing beyond the download.

インターバルタイマーforトレーニング2 Pro ships an update every 2 months, PFC Tracker every 10 days. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | インターバルタイマーforトレーニング2 Pro | PFC Tracker |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 10 days** |
| Size | 29 MB | 50 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Yudai Fukuda](https://appshunter.io/developer/1434814836) | [NAOYA ONO](https://appshunter.io/developer/1530328146) |

## What reviewers say

### インターバルタイマーforトレーニング2 Pro

[App page](https://appshunter.io/ios/app/for2-pro/id1449228185)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is インターバルタイマーforトレーニング2 Pro free?

インターバルタイマーforトレーニング2 Pro costs $3.99, with no in-app purchases.

### Is PFC Tracker free?

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

### Do インターバルタイマーforトレーニング2 Pro or PFC Tracker have ads?

Both インターバルタイマーforトレーニング2 Pro and PFC Tracker show ads.

### Which is updated more often, インターバルタイマーforトレーニング2 Pro or PFC Tracker?

インターバルタイマーforトレーニング2 Pro ships an update every 2 months, and PFC Tracker every 10 days. Most recently, インターバルタイマーforトレーニング2 Pro was updated on October 12, 2026 and PFC Tracker on October 10, 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.*