# Guernsey Library vs LotlLog

The clearest difference is in-app purchases: Guernsey Library at none against LotlLog's 1. LotlLog's advantage is update cadence (every 3 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. LotlLog sells 1 one-off in-app purchase. Guernsey Library asks for nothing beyond the download.

Guernsey Library ships an update every 2 months, LotlLog every 3 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Guernsey Library | LotlLog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 199 MB | 49 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Guernsey Library](https://appshunter.io/developer/1792217015) | [kazuki korenori](https://appshunter.io/developer/1884835388) |

## What reviewers say

### Guernsey Library

[App page](https://appshunter.io/ios/app/guernsey-library/id6740918402)

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

**In-app purchases:** none


### LotlLog

[App page](https://appshunter.io/ios/app/lotllog/id6789063307)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LotlLog Pro | $6.99 | one-time |


## Frequently asked questions

### Is Guernsey Library free?

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

### Is LotlLog free?

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

### Do Guernsey Library or LotlLog have ads?

Neither Guernsey Library nor LotlLog shows ads.

### Which is updated more often, Guernsey Library or LotlLog?

Guernsey Library ships an update every 2 months, and LotlLog every 3 days. Most recently, Guernsey Library was updated on October 25, 2026 and LotlLog on October 28, 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.*