# HeroWatch vs 曙 MUSE FEATHER

The clearest difference is update cadence: HeroWatch at every 6 weeks against 曙 MUSE FEATHER's every 15 months. HeroWatch also leads on iOS requirement (9.0 vs 11.0.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HeroWatch ships an update every 6 weeks, 曙 MUSE FEATHER every 15 months. The most recent releases landed on September 8, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | HeroWatch | 曙 MUSE FEATHER |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 15 months |
| Size | 115 MB | 17 MB |
| Requires iOS | **9.0** | 11.0.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [about time technology corp.](https://appshunter.io/developer/1422555236) | [Flaps Technology Corporation](https://appshunter.io/developer/1156409606) |

## What reviewers say

### HeroWatch

[App page](https://appshunter.io/ios/app/herowatch/id1489305747)

**Features:** macOS Compatibility

**In-app purchases:** none


### 曙 MUSE FEATHER

[App page](https://appshunter.io/ios/app/muse-feather/id1663740176)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HeroWatch free?

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

### Is 曙 MUSE FEATHER free?

曙 MUSE FEATHER is free to download, with no in-app purchases.

### Do HeroWatch or 曙 MUSE FEATHER have ads?

Neither HeroWatch nor 曙 MUSE FEATHER shows ads.

### Which is updated more often, HeroWatch or 曙 MUSE FEATHER?

HeroWatch ships an update every 6 weeks, and 曙 MUSE FEATHER every 15 months. Most recently, HeroWatch was updated on September 8, 2026 and 曙 MUSE FEATHER on September 15, 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.*