# 腕時計コレクション管理 CALIBRE vs CaseBack

腕時計コレクション管理 CALIBRE and CaseBack 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. 腕時計コレクション管理 CALIBRE sells 1 in-app purchase, starting at $9.99 per month and CaseBack sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

腕時計コレクション管理 CALIBRE ships an update fortnightly, CaseBack every 3 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 腕時計コレクション管理 CALIBRE | CaseBack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 4 MB | 11 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RYO FUJIMATSU](https://appshunter.io/developer/1895406431) | [Alex Masure](https://appshunter.io/developer/1884681168) |

## What reviewers say

### 腕時計コレクション管理 CALIBRE

[App page](https://appshunter.io/ios/app/calibre/id6771723995)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CALIBRE Collector | $9.99 | per month |


### CaseBack

[App page](https://appshunter.io/ios/app/caseback-watch-collection/id6796999810)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CaseBack Pro | $6.99 | one-time |


## Frequently asked questions

### Is 腕時計コレクション管理 CALIBRE free?

腕時計コレクション管理 CALIBRE is free to download, with in-app purchases available.

### Is CaseBack free?

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

### Do 腕時計コレクション管理 CALIBRE or CaseBack have ads?

Neither 腕時計コレクション管理 CALIBRE nor CaseBack shows ads.

### Which is updated more often, 腕時計コレクション管理 CALIBRE or CaseBack?

腕時計コレクション管理 CALIBRE ships an update fortnightly, and CaseBack every 3 weeks. Most recently, 腕時計コレクション管理 CALIBRE was updated on November 5, 2026 and CaseBack on October 31, 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.*