# ムーンフラグ vs WellAge for Fitbit

The clearest difference is ads: WellAge for Fitbit at none against ムーンフラグ's shown. WellAge for Fitbit also leads on update cadence (every 2 months vs every 8 months). ムーンフラグ's advantage is iOS requirement (12.0 vs 14.0). On price, 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.

ムーンフラグ ships an update every 8 months, WellAge for Fitbit every 2 months. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | ムーンフラグ | WellAge for Fitbit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 2 months** |
| Size | 114 MB | 180 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Sumie Watanabe](https://appshunter.io/developer/1349237972) | [MAKOTO KOMAZAWA](https://appshunter.io/developer/976896555) |

## What reviewers say

### ムーンフラグ

[App page](https://appshunter.io/ios/app/id1619732285)

**Features:** macOS Compatibility

**In-app purchases:** none


### WellAge for Fitbit

[App page](https://appshunter.io/ios/app/wellage-for-fitbit/id6738938946)

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

**In-app purchases:** none


## Frequently asked questions

### Is ムーンフラグ free?

ムーンフラグ is free to download, with no in-app purchases.

### Is WellAge for Fitbit free?

WellAge for Fitbit is free to download, with no in-app purchases.

### Do ムーンフラグ or WellAge for Fitbit have ads?

ムーンフラグ shows ads; WellAge for Fitbit does not.

### Which is updated more often, ムーンフラグ or WellAge for Fitbit?

ムーンフラグ ships an update every 8 months, and WellAge for Fitbit every 2 months. Most recently, ムーンフラグ was updated on November 7, 2026 and WellAge for Fitbit on November 8, 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.*