# Lunar age vs ParkKeep

The clearest difference is update cadence: ParkKeep at every 4 days against Lunar age's monthly. Lunar age's advantage is iOS requirement (15.6 vs 17.0). 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 ParkKeep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Lunar age ships an update monthly, ParkKeep every 4 days. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Lunar age | ParkKeep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Size | 31 MB | 1 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [akira ohmachi](https://appshunter.io/developer/1338624340) | [Ly Hong Phat](https://appshunter.io/developer/1749760941) |

## 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 |


### ParkKeep

[App page](https://appshunter.io/ios/app/parkkeep/id6760192315)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ParkKeep Pro Lifetime | $3.99 | one-time |


## Frequently asked questions

### Is Lunar age free?

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

### Is ParkKeep free?

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

### Do Lunar age or ParkKeep have ads?

Neither Lunar age nor ParkKeep shows ads.

### Which is updated more often, Lunar age or ParkKeep?

Lunar age ships an update monthly, and ParkKeep every 4 days. Most recently, Lunar age was updated on October 11, 2026 and ParkKeep on October 10, 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.*