# Sleep Tracker vs Caldero

The clearest difference is device support: Sleep Tracker at 3 against Caldero's 1. Caldero's advantage is iOS requirement (16.6 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Sleep Tracker sells 6 in-app purchases, starting at $2.99 per 7 days and Caldero sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Sleep Tracker | Caldero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (14 ratings)](https://appshunter.io/ios/app/sleep-tracker-lunomia/id6741118991/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Freemium | — |
| Size | 135 MB | 54 MB |
| Requires iOS | 26.0 | **16.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sina Rabiei](https://appshunter.io/developer/1609649815) | [Devinspect LLC](https://appshunter.io/developer/1804416790) |

## What reviewers say

### Sleep Tracker

[App page](https://appshunter.io/ios/app/sleep-tracker-lunomia/id6741118991)

This app provides a daily sleep score and assigns a sleep animal based on your night's rest. It offers plain-language explanations of your sleep data, including stages, recovery, and trends, all processed on your device for privacy.

**Highlights:** Daily sleep score (0-100), Sleep animal assignment, Plain-language sleep analysis, Sleep stage tracking, Recovery and sleep debt monitoring, Sleep Shield for app blocking (Pro), Apple Watch integration

**Features:** Family Sharing, Apple Watch app

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $2.99 | per 7 days |
| Pro Monthly | $9.90 | per month |
| Pro Yearly | $39.99 | per year |
| Pro Yearly | $39.99 | per year |
| Pro Lifetime | $74.99 | one-time |
| Pro Lifetime | $149.99 | one-time |


### Caldero

[App page](https://appshunter.io/ios/app/caldero/id6759680839)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Caldero Pro Weekly | $2.99 | per 7 days |
| Caldero Pro Monthly | $5.99 | per month |
| Caldero Pro Yearly | $27.99 | per year |


## Frequently asked questions

### Is Sleep Tracker free?

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

### Is Caldero free?

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

### Do Sleep Tracker or Caldero have ads?

Neither Sleep Tracker nor Caldero shows ads.

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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.*