# Nix Solo vs Stretching Timer

The clearest difference is in-app purchases: Nix Solo at none against Stretching Timer's 2. Nix Solo also leads on iOS requirement (15.1 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Stretching Timer sells 2 in-app purchases, starting at $4.99 per month. Nix Solo asks for nothing beyond the download.

## The numbers

| Metric | Nix Solo | Stretching Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (69 ratings)](https://appshunter.io/ios/app/nix-solo/id1632680170/reviews)** | — |
| Number of ratings | **69** | — |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Monetization | Free | — |
| Size | 65 MB | 113 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Nix, Inc.](https://appshunter.io/developer/1625732872) | [Pouria Assadipour](https://appshunter.io/developer/1530457683) |

## What reviewers say

### Nix Solo

[App page](https://appshunter.io/ios/app/nix-solo/id1632680170)

Monitor personal fluid and electrolyte losses in real-time during workouts. This app provides insights into sweat composition and hydration needs based on individual biology, using data from a companion biosensor.

**Highlights:** Real-time fluid and electrolyte loss monitoring, Personalized sweat composition insights, Correlates sweat data with environmental factors (Nix Index), Post-workout Sweat Intelligence reports, Integration with Apple Watch and Garmin devices, Workout type and hydration input

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

**In-app purchases:** none


### Stretching Timer

[App page](https://appshunter.io/ios/app/stretching-timer-no-screen/id6763951885)

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stretching Timer Pro Monthly | $4.99 | per month |
| Stretching Timer Pro Annual | $29.99 | per year |


## Frequently asked questions

### Is Nix Solo free?

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

### Is Stretching Timer free?

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

### Do Nix Solo or Stretching Timer have ads?

Neither Nix Solo nor Stretching Timer 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.*