# プライベートヘアーサロン SPOOL vs mm（ミリ）

プライベートヘアーサロン SPOOL and mm（ミリ） are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

プライベートヘアーサロン SPOOL ships an update every 24 months, mm（ミリ） every 27 months. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | プライベートヘアーサロン SPOOL | mm（ミリ） |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 24 months** | Every 27 months |
| Size | 75 MB | 3 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Takashi Makabe](https://appshunter.io/developer/1353324324) | [Naoya Takahashi](https://appshunter.io/developer/1301211980) |

## What reviewers say

### プライベートヘアーサロン SPOOL

[App page](https://appshunter.io/ios/app/spool/id1353324325)

**In-app purchases:** none


### mm（ミリ）

[App page](https://appshunter.io/ios/app/mm/id1555989314)

**In-app purchases:** none


## Frequently asked questions

### Is プライベートヘアーサロン SPOOL free?

プライベートヘアーサロン SPOOL is free to download, with no in-app purchases.

### Is mm（ミリ） free?

mm（ミリ） is free to download, with no in-app purchases.

### Do プライベートヘアーサロン SPOOL or mm（ミリ） have ads?

Neither プライベートヘアーサロン SPOOL nor mm（ミリ） shows ads.

### Which is updated more often, プライベートヘアーサロン SPOOL or mm（ミリ）?

プライベートヘアーサロン SPOOL ships an update every 24 months, and mm（ミリ） every 27 months. Most recently, プライベートヘアーサロン SPOOL was updated on October 14, 2026 and mm（ミリ） on October 6, 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.*