# libretto42 vs CollectionKeeper

The clearest difference is in-app purchases: libretto42 at none against CollectionKeeper's 8. libretto42 also leads on iOS requirement (15.0 vs 26.2). CollectionKeeper's advantage is update cadence (every 6 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. CollectionKeeper sells 8 in-app purchases, starting at $2.99 per month. libretto42 asks for nothing beyond the download.

libretto42 ships an update every 3 weeks, CollectionKeeper every 6 days. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | libretto42 | CollectionKeeper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.6 (12 ratings)](https://appshunter.io/ios/app/collectionkeeper/id6757276982/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 23 MB | 5 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Lemon42 IT, Web und Software GmbH](https://appshunter.io/developer/794941037) | [Warren McCrea](https://appshunter.io/developer/1865745481) |

## What reviewers say

### libretto42

[App page](https://appshunter.io/ios/app/libretto42/id6755678688)

**Features:** macOS Compatibility

**In-app purchases:** none


### CollectionKeeper

[App page](https://appshunter.io/ios/app/collectionkeeper/id6757276982)

Organize, track, and analyze your pipe and tobacco collections with powerful tools. Document individual items, explore insights, and generate detailed reports. Features AI-powered identification and pairing, plus community connection options while maintaining data privacy.

**Highlights:** Track pipe and tobacco details, Organize blends by type and status, Generate PDF and Excel reports, AI-powered pipe identification, Intelligent pairing insights, Log smoking sessions and rotations, Connect with other collectors

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CollectionKeeper Module Monthly | $2.99 | per month |
| 1 Month Founders Subscription | $4.99 | per month |
| CollectionKeeper 3 Modules Monthly | $7.99 | per month |
| CollectionKeeper All Modules Month | $8.99 | per month |
| CollectionKeeper Module Annual | $29.99 | per year |
| Founders Annual Bundle | $49.99 | per year |
| CollectionKeeper 3 Modules Annual | $79.99 | per year |
| CollectionKeeper All Modules Annual | $89.99 | per year |


## Frequently asked questions

### Is libretto42 free?

libretto42 is free to download, with no in-app purchases.

### Is CollectionKeeper free?

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

### Do libretto42 or CollectionKeeper have ads?

Neither libretto42 nor CollectionKeeper shows ads.

### Which is updated more often, libretto42 or CollectionKeeper?

libretto42 ships an update every 3 weeks, and CollectionKeeper every 6 days. Most recently, libretto42 was updated on October 2, 2026 and CollectionKeeper on October 5, 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.*