# SendWeight2 vs Stress Tracker HRV

The clearest difference is price: SendWeight2 at Free against Stress Tracker HRV's $7.99. Stress Tracker HRV's advantage is update cadence (every 5 weeks vs every 12 months) and iOS requirement (13.0 vs 17.2). On ads, in-app purchases and device support there is nothing between them.

SendWeight2 is free to download; Stress Tracker HRV costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SendWeight2 ships an update every 12 months, Stress Tracker HRV every 5 weeks. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SendWeight2 | Stress Tracker HRV |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/stress-tracker-hrv/id6748257580/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 5 weeks** |
| Monetization | — | Paid |
| Size | 1 MB | 5 MB |
| Requires iOS | 17.2 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Anton Lebedev](https://appshunter.io/developer/1706169943) | [Alvaro Garcia Pizarro](https://appshunter.io/developer/1822790774) |

## What reviewers say

### SendWeight2

[App page](https://appshunter.io/ios/app/sendweight2/id6714450076)

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

**In-app purchases:** none


### Stress Tracker HRV

[App page](https://appshunter.io/ios/app/stress-tracker-hrv/id6748257580)

Monitor your body's stress levels, sleep quality, and recovery using Heart Rate Variability (HRV) data from your Apple Watch. Gain insights into your mental and physical well-being to make informed decisions about rest and activity.

**Highlights:** Real-time stress tracking via HRV, Daily and weekly stress trend analysis, Recovery Index for bounce-back assessment, Sleep score and optimization insights, On-device data privacy

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is SendWeight2 free?

SendWeight2 is free to download, with no in-app purchases.

### Is Stress Tracker HRV free?

Stress Tracker HRV costs $7.99, with no in-app purchases.

### Do SendWeight2 or Stress Tracker HRV have ads?

Neither SendWeight2 nor Stress Tracker HRV shows ads.

### Which is updated more often, SendWeight2 or Stress Tracker HRV?

SendWeight2 ships an update every 12 months, and Stress Tracker HRV every 5 weeks. Most recently, SendWeight2 was updated on October 10, 2026 and Stress Tracker HRV on October 6, 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.*