Library Merger vs PW
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Library Merger
Easily combine two JW Library backups into a single, unified version. Resolve conflicts by choosing which content to keep, ensuring your study materials are consistent across all your devices. This utility streamlines library management for users of JW Library.
- Combine two JW Library backups
- Resolve content conflicts
- Restore merged backup to devices
- Open backups via AirDrop
- Open-source code
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You know the problem: You study with JW Library® on different devices - and in the end, you have two versions, that you can’t easily combine anymore. With the Library Merger this is a thing of the past! The Library Merger allows you to quickly and easily combine two JW Library® backups into one. Simply open both backups in the app (you can even send them via AirDrop). The app will merge them into one. If it finds a conflict (like two bookmarks at the same place, or two markings that overlap), you can choose which version to keep. In the end, you have one merged backup which you can easily restore on your devices. The process - if done regularly - literally takes you seconds! Library Merger is still in its early stages and is being actively developed. The code is open source and can be found on GitHub. If you found a bug or have suggestions, feel free to contact me.
PW
Access your PW-TOOLS and receive notifications from your calendar. This utility app provides calendar alerts to keep you informed.
- Calendar notification access
- PW-TOOLS access
- Utility functions
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Nutze diese App um Zugriff auf PW-TOOLS zu erhalten und Benachrichtigungen von deinem Kalender zu empfangen.
Screenshots
Verdict
The clearest difference is rating: PW at 4.9 against Library Merger's 4.6. PW also leads on review sentiment (100% vs 81%) and ratings volume (149 vs 39). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
PW holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 39 and 149 respectively. Written reviews point the same way: 81% of Library Merger's written reviews are positive against 100% of PW's.
| Parameter | Library Merger | PW |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (39 ratings) | 4.9 (149 ratings) — better |
| Positive reviews | 81.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 39 | 149 — better |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Andreas Skorczyk | Julian Stierle |
Customer experience
Library Merger
PW
In-app purchases
Library Merger
No in-app purchases
PW
No in-app purchases








