# Luteal vs Unlock Earth

The clearest difference is in-app purchases: Unlock Earth at none against Luteal's 2. Unlock Earth also leads on iOS requirement (15.1 vs 18.6). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Luteal sells 2 in-app purchases, starting at $4.99 per month. Unlock Earth asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Luteal against 5.0 for Unlock Earth. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Luteal ships an update every 3 days, Unlock Earth every 5 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Luteal | Unlock Earth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/luteal/id6773642081/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/unlock-earth/id6799680337/reviews) |
| Number of ratings | 2 | 2 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 57 MB | 33 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Riad Mahi](https://appshunter.io/developer/1771494973) | [Eirik Enger Karlsen](https://appshunter.io/developer/6799680339) |

## What reviewers say

### Luteal

[App page](https://appshunter.io/ios/app/luteal/id6773642081)

Understand your body's monthly rhythms. Track your cycle, predict your period, and learn how hormonal changes affect your mood, energy, and symptoms. Share insights with a partner while keeping your personal health data private.

**Highlights:** Log period, symptoms, and mood, Predict upcoming periods and fertile windows, Track cycle phases (menstrual, follicular, ovulation, luteal), Understand hormonal impact on well-being, Share cycle insights with a partner, End-to-end encrypted data storage

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Luteal Plus (Monthly) | $4.99 | per month |
| Luteal Plus (Annual) | $29.99 | per year |


### Unlock Earth

[App page](https://appshunter.io/ios/app/unlock-earth/id6799680337)

This app uses your GPS activities to permanently unlock real-world places you've traveled through. Connect your Strava account to automatically track runs, rides, and hikes against official municipality boundaries. Earn achievements and claim World Firsts as you build a personal collection of unlocked locations.

**Highlights:** Connect Strava account, Automatic GPS activity tracking, Unlock real municipality boundaries, Permanent collection of unlocked places, Dozens of achievements, World First claims

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

**In-app purchases:** none


## Frequently asked questions

### Is Luteal free?

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

### Is Unlock Earth free?

Unlock Earth is free to download, with no in-app purchases.

### Which has better reviews, Luteal or Unlock Earth?

Luteal and Unlock Earth are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do Luteal or Unlock Earth have ads?

Neither Luteal nor Unlock Earth shows ads.

### Which is updated more often, Luteal or Unlock Earth?

Luteal ships an update every 3 days, and Unlock Earth every 5 days. Most recently, Luteal was updated on October 31, 2026 and Unlock Earth on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*