# Biblion vs Backlog

The clearest difference is in-app purchases: Biblion at none against Backlog's 4. Backlog's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Backlog sells 4 one-off in-app purchases. Biblion asks for nothing beyond the download.

Biblion ships an update monthly, Backlog every 5 weeks. Both last shipped on October 2, 2026.

## The numbers

| Metric | Biblion | Backlog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/backlog/id6757502207/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 67 MB | 21 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Giosue Addario](https://appshunter.io/developer/1531324086) | [CURTIS TAYLOR](https://appshunter.io/developer/1788067211) |

## What reviewers say

### Biblion

[App page](https://appshunter.io/ios/app/biblion/id1531323844)

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

**In-app purchases:** none


### Backlog

[App page](https://appshunter.io/ios/app/backlog/id6757502207)

Organize all your media, games, and books in one place. This app provides a clean, distraction-free interface to track what you want to watch, play, or read, helping you decide what to tackle next without feeling overwhelmed.

**Highlights:** Organize backlog across categories, Quick item addition, Track progress (next, completed, on hold), Minimalist interface, Distraction-free design

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip! | $2.99 | one-time |
| Large Tip | $4.99 | one-time |
| Huge Tip | $9.99 | one-time |


## Frequently asked questions

### Is Biblion free?

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

### Is Backlog free?

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

### Do Biblion or Backlog have ads?

Neither Biblion nor Backlog shows ads.

### Which is updated more often, Biblion or Backlog?

Biblion ships an update monthly, and Backlog every 5 weeks. Most recently, Biblion was updated on October 2, 2026 and Backlog on October 2, 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.*