# Stress HRV vs Sheepy

The clearest difference is in-app purchases: Sheepy at none against Stress HRV's 3. Sheepy also leads on update cadence (every 2 days vs fortnightly) and iOS requirement (13.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Stress HRV sells 3 in-app purchases, starting at $1.99 per 7 days. Sheepy asks for nothing beyond the download.

Stress HRV ships an update fortnightly, Sheepy every 2 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | Stress HRV | Sheepy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/stress-hrv-stress-tracker/id6784304541/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 45 MB | 19 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [Sleep Pilot Technology Co., Ltd.](https://appshunter.io/developer/1682165802) | [从尧 孙](https://appshunter.io/developer/1891292874) |

## What reviewers say

### Stress HRV

[App page](https://appshunter.io/ios/app/stress-hrv-stress-tracker/id6784304541)

Monitor your body's stress levels using HRV and RHR data. Get personalized insights to know when to push harder or rest. Track sleep, activity, mood, and water intake with integrated features.

**Highlights:** HRV and RHR stress monitoring, Personalized baseline comparison, Guided breathing exercises, Sleep and activity tracking, Mood and water logging, Watch complications and widgets

**Features:** Family Sharing, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Yearly | $7.99 | per year |
| Lifetime | Free | one-time |


### Sheepy

[App page](https://appshunter.io/ios/app/sheepy/id6793028299)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Stress HRV free?

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

### Is Sheepy free?

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

### Do Stress HRV or Sheepy have ads?

Neither Stress HRV nor Sheepy shows ads.

### Which is updated more often, Stress HRV or Sheepy?

Stress HRV ships an update fortnightly, and Sheepy every 2 days. Most recently, Stress HRV was updated on November 5, 2026 and Sheepy on November 5, 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.*