# Lunar Calendar.. vs Psoas Reset Protocol

The clearest difference is ads: Psoas Reset Protocol at none against Lunar Calendar..'s shown. Psoas Reset Protocol also leads on update cadence (every 3 days vs every 11 days). Lunar Calendar..'s advantage is iOS requirement (13.0 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Lunar Calendar.. sells 4 in-app purchases, starting at $2.99 per month and Psoas Reset Protocol sells 2 in-app purchases, starting at $4.49 per month. Whichever you choose, the download price is not the number that matters.

Lunar Calendar.. ships an update every 11 days, Psoas Reset Protocol every 3 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Lunar Calendar.. | Psoas Reset Protocol |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 11 days | **Every 3 days** |
| Size | 115 MB | 20 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Olga Ivanova](https://appshunter.io/developer/1733570435) | [Johannes Huijbregts](https://appshunter.io/developer/6807690085) |

## What reviewers say

### Lunar Calendar..

[App page](https://appshunter.io/ios/app/lunar-calendar/id6670185937)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription | $2.99 | per month |
| Sponsorship | $2.99 | one-time |
| Sponsorship | $5.99 | one-time |
| Sponsorship | $59.99 | one-time |


### Psoas Reset Protocol

[App page](https://appshunter.io/ios/app/psoas-reset-protocol/id6807690083)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly protocol | $4.49 | per month |
| Protocol one-time | $39.99 | one-time |


## Frequently asked questions

### Is Lunar Calendar.. free?

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

### Is Psoas Reset Protocol free?

Psoas Reset Protocol is free to download, with in-app purchases available.

### Do Lunar Calendar.. or Psoas Reset Protocol have ads?

Lunar Calendar.. shows ads; Psoas Reset Protocol does not.

### Which is updated more often, Lunar Calendar.. or Psoas Reset Protocol?

Lunar Calendar.. ships an update every 11 days, and Psoas Reset Protocol every 3 days. Most recently, Lunar Calendar.. was updated on October 27, 2026 and Psoas Reset Protocol 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.*