# Mibrary vs PlotLock

The clearest difference is in-app purchases: PlotLock at none against Mibrary's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Mibrary sells 1 in-app purchase, starting at $2.99 per month. PlotLock asks for nothing beyond the download.

Mibrary ships an update every 9 days, PlotLock every 2 weeks. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Mibrary | PlotLock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (204 ratings)](https://appshunter.io/ios/app/mibrary-book-tracker-and-tbr/id6758561299/reviews)** | — |
| Number of ratings | **204** | — |
| Positive reviews | 87.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Monetization | Free | — |
| Size | 95 MB | 3 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Kory Buck](https://appshunter.io/developer/1849492433) | [Nicholas Figliolia](https://appshunter.io/developer/1896735478) |

## What reviewers say

### Mibrary

[App page](https://appshunter.io/ios/app/mibrary-book-tracker-and-tbr/id6758561299)

Digitize your personal book collection with this app. Catalog books by searching, scanning, or manual entry, and organize them with custom shelves. Track your reading progress and connect with a community of book lovers.

**Highlights:** Catalog books by search, scan, or manual entry, Organize with custom shelves, Track reading progress, Scan book spines for virtual shelf, Create wishlists, Connect with readers, Import from Goodreads

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mibrary Pro | $2.99 | per month |


### PlotLock

[App page](https://appshunter.io/ios/app/plotlock/id6809834021)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mibrary free?

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

### Is PlotLock free?

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

### Do Mibrary or PlotLock have ads?

Neither Mibrary nor PlotLock shows ads.

### Which is updated more often, Mibrary or PlotLock?

Mibrary ships an update every 9 days, and PlotLock every 2 weeks. Most recently, Mibrary was updated on November 9, 2026 and PlotLock 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.*