# Sunya vs Ambryx

The clearest difference is in-app purchases: Sunya at none against Ambryx's 2. Sunya also leads on iOS requirement (12.0 vs 18.6). Ambryx's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Ambryx sells 2 one-off in-app purchases. Sunya asks for nothing beyond the download.

Sunya ships an update every 6 weeks, Ambryx monthly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Sunya | Ambryx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sunya-outdoor-time-tracker/id6749832435/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 33 MB | 23 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Pure Wave LLC](https://appshunter.io/developer/1808314958) | [Iso Lift, LLC](https://appshunter.io/developer/1814384999) |

## What reviewers say

### Sunya

[App page](https://appshunter.io/ios/app/sunya-outdoor-time-tracker/id6749832435)

This app helps you track and increase your time spent outdoors. Set goals, monitor progress with detailed stats, and build consistent outdoor habits. It also provides sunset times and actionable ideas to help you spend more time in nature.

**Highlights:** Outdoor time tracking, Goal setting, Streak tracking, Progress statistics, Sunset time alerts, Outdoor activity ideas

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

**In-app purchases:** none


### Ambryx

[App page](https://appshunter.io/ios/app/ambryx/id6758559825)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ambryx Free Trial | Free | one-time |
| StrideFlow Pro | $2.99 | one-time |


## Frequently asked questions

### Is Sunya free?

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

### Is Ambryx free?

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

### Do Sunya or Ambryx have ads?

Sunya shows ads; Ambryx does not.

### Which is updated more often, Sunya or Ambryx?

Sunya ships an update every 6 weeks, and Ambryx monthly. Most recently, Sunya was updated on October 24, 2026 and Ambryx on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*