# Primal Defender vs Sleeppia

The clearest difference is update cadence: Sleeppia at every 3 days against Primal Defender's every 5 weeks. Primal Defender's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Primal Defender sells 3 in-app purchases, starting at $27.00 per month and Sleeppia sells 1 in-app purchase, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Primal Defender ships an update every 5 weeks, Sleeppia every 3 days. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Primal Defender | Sleeppia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/primal-defender/id6760322045/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 69 MB | 13 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [Patronus Energy](https://appshunter.io/developer/1570141681) | [干 王](https://appshunter.io/developer/1894906723) |

## What reviewers say

### Primal Defender

[App page](https://appshunter.io/ios/app/primal-defender/id6760322045)

This app provides a structured training system to build essential survival and readiness skills across 11 domains. It offers personalized guidance, training modules, and team-based challenges to help users become more capable in emergency situations.

**Highlights:** 11 readiness domains training, 6 levels of mastery, Personalized AI coach, Team-based challenges, Readiness assessment and radar chart, Gear tracking and checklists

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Individual Pro Monthly | $27.00 | per month |
| Team Builder Monthly | $47.00 | per month |
| Individual Pro Annual | $197.99 | per year |


### Sleeppia

[App page](https://appshunter.io/ios/app/sleeppia/id6809093165)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sleeppia Premium Monthly | $9.99 | per month |


## Frequently asked questions

### Is Primal Defender free?

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

### Is Sleeppia free?

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

### Do Primal Defender or Sleeppia have ads?

Neither Primal Defender nor Sleeppia shows ads.

### Which is updated more often, Primal Defender or Sleeppia?

Primal Defender ships an update every 5 weeks, and Sleeppia every 3 days. Most recently, Primal Defender was updated on October 3, 2026 and Sleeppia on October 8, 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.*