# ArcFast vs YOHAKU

The clearest difference is update cadence: YOHAKU at every 6 days against ArcFast's every 6 weeks. YOHAKU also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ArcFast sells 2 in-app purchases, starting at $4.99 per month and YOHAKU sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ArcFast ships an update every 6 weeks, YOHAKU every 6 days. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ArcFast | YOHAKU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/arcfast-fasting-tracker/id6760943015/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 38 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KYRYL PEKAROV](https://appshunter.io/developer/1886950842) | [TOMOHIRO WADA](https://appshunter.io/developer/1857967064) |

## What reviewers say

### ArcFast

[App page](https://appshunter.io/ios/app/arcfast-fasting-tracker/id6760943015)

Track your intermittent fasting with a simple, ad-free timer. Monitor your metabolic phase, view progress charts, and customize your fasting schedule. Includes meal calorie estimates and home screen widgets.

**Highlights:** Ad-free intermittent fasting timer, Real-time metabolic phase tracking, Fasting streaks and progress charts, Customizable fasting schedules, Home screen widgets, Meal calorie estimation

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Yearly | $39.99 | per year |


### YOHAKU

[App page](https://appshunter.io/ios/app/yohaku/id6760961955)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| YOHAKU プレミアム（月額） | $4.99 | per month |
| YOHAKU プレミアム（年額） | $24.99 | per year |


## Frequently asked questions

### Is ArcFast free?

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

### Is YOHAKU free?

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

### Do ArcFast or YOHAKU have ads?

Neither ArcFast nor YOHAKU shows ads.

### Which is updated more often, ArcFast or YOHAKU?

ArcFast ships an update every 6 weeks, and YOHAKU every 6 days. Most recently, ArcFast was updated on October 12, 2026 and YOHAKU on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*