# JamHair vs FIELD公式アプリ

The clearest difference is update cadence: FIELD公式アプリ at every 6 weeks against JamHair's every 38 months. JamHair's advantage is iOS requirement (12.0 vs 14.0). 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.

JamHair ships an update every 38 months, FIELD公式アプリ every 6 weeks. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | JamHair | FIELD公式アプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 6 weeks** |
| Size | 15 MB | 74 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TAKUFUMI HANAKAWA](https://appshunter.io/developer/1625830624) | [FIELD, K.K.](https://appshunter.io/developer/1729924622) |

## What reviewers say

### JamHair

[App page](https://appshunter.io/ios/app/jamhair/id1625830622)

**In-app purchases:** none


### FIELD公式アプリ

[App page](https://appshunter.io/ios/app/field/id6477649602)

**In-app purchases:** none


## Frequently asked questions

### Is JamHair free?

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

### Is FIELD公式アプリ free?

FIELD公式アプリ is free to download, with no in-app purchases.

### Do JamHair or FIELD公式アプリ have ads?

Neither JamHair nor FIELD公式アプリ shows ads.

### Which is updated more often, JamHair or FIELD公式アプリ?

JamHair ships an update every 38 months, and FIELD公式アプリ every 6 weeks. Most recently, JamHair was updated on November 7, 2026 and FIELD公式アプリ on November 4, 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.*