# Book'u Timer vs Ledger Society

The clearest difference is in-app purchases: Book'u Timer at none against Ledger Society's 1. Ledger Society's advantage is update cadence (every 4 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Ledger Society sells 1 in-app purchase, starting at $900.00 per year. Book'u Timer asks for nothing beyond the download.

Book'u Timer ships an update every 2 months, Ledger Society every 4 days. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Book'u Timer | Ledger Society |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 51 MB | 135 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Smalltalk bvba](https://appshunter.io/developer/1367949944) | [Baurrovski FZC](https://appshunter.io/developer/1870452535) |

## What reviewers say

### Book'u Timer

[App page](https://appshunter.io/ios/app/booku-timer/id1457036284)

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

**In-app purchases:** none


### Ledger Society

[App page](https://appshunter.io/ios/app/ledger-society/id6777925035)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The Ledger Society Subscription | $900.00 | per year |


## Frequently asked questions

### Is Book'u Timer free?

Book'u Timer is free to download, with no in-app purchases.

### Is Ledger Society free?

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

### Do Book'u Timer or Ledger Society have ads?

Neither Book'u Timer nor Ledger Society shows ads.

### Which is updated more often, Book'u Timer or Ledger Society?

Book'u Timer ships an update every 2 months, and Ledger Society every 4 days. Most recently, Book'u Timer was updated on October 4, 2026 and Ledger Society on October 9, 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.*