# Lunar age vs Kit Book

The clearest difference is update cadence: Kit Book at every 5 days against Lunar age's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Lunar age sells 1 one-off in-app purchase and Kit Book sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Lunar age ships an update monthly, Kit Book every 5 days. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Lunar age | Kit Book |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Size | 31 MB | 10 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [akira ohmachi](https://appshunter.io/developer/1338624340) | [Arunas Mark](https://appshunter.io/developer/1884892231) |

## What reviewers say

### Lunar age

[App page](https://appshunter.io/ios/app/lunar-age/id6742277670)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Kit Book

[App page](https://appshunter.io/ios/app/kit-book/id6760625962)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kit Book Pro | $2.99 | per month |
| Kit Book Pro | $17.99 | per year |


## Frequently asked questions

### Is Lunar age free?

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

### Is Kit Book free?

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

### Do Lunar age or Kit Book have ads?

Neither Lunar age nor Kit Book shows ads.

### Which is updated more often, Lunar age or Kit Book?

Lunar age ships an update monthly, and Kit Book every 5 days. Most recently, Lunar age was updated on October 11, 2026 and Kit Book on October 24, 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.*