# SoapLab vs SatNOGS

The clearest difference is price: SatNOGS at Free against SoapLab's $4.99. SatNOGS also leads on rating (5.0 vs 3.5). SoapLab's advantage is update cadence (every 2 months vs every 5 months) and ratings volume (15 vs 4). On ads, in-app purchases and device support there is nothing between them.

SatNOGS is free to download; SoapLab costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SatNOGS holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 15 and 4 respectively.

SoapLab ships an update every 2 months, SatNOGS every 5 months. The most recent releases landed on September 19, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | SoapLab | SatNOGS |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [3.5 (15 ratings)](https://appshunter.io/ios/app/soaplab/id954197452/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/satnogs/id1669797826/reviews)** |
| Number of ratings | **15** | 4 |
| Positive reviews | 40.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Paid | **Free** |
| Size | 8 MB | 48 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Jien Tsai Chan](https://appshunter.io/developer/954197451) | [Victor Belov](https://appshunter.io/developer/1356487489) |

## What reviewers say

### SoapLab

[App page](https://appshunter.io/ios/app/soaplab/id954197452)

This app simplifies handmade soap making with scientific tools and guidance. It offers recipe management, lye calculation, ingredient data, and step-by-step instructions for both beginners and experienced crafters.

**Highlights:** Recipe management, Lye calculation, Ingredient database, Step-by-step guidance, Recipe sharing via QR code, Cost analysis

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

**In-app purchases:** none


### SatNOGS

[App page](https://appshunter.io/ios/app/satnogs/id1669797826)

Access a global network of satellite ground stations to communicate with satellites and observe their data. The platform is open to all, with public observation results freely distributed. Resources are available for building your own ground station.

**Highlights:** Global ground station network access, Remote ground station operation, Satellite communication, Public observation data access, Ground station building resources

**In-app purchases:** none


## Frequently asked questions

### Is SoapLab free?

SoapLab costs $4.99, with no in-app purchases.

### Is SatNOGS free?

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

### Which has better reviews, SoapLab or SatNOGS?

SatNOGS is rated higher. SoapLab averages 3.5 out of 5 from 15 ratings, while SatNOGS averages 5.0 from 4 ratings.

### Do SoapLab or SatNOGS have ads?

Neither SoapLab nor SatNOGS shows ads.

### Which is updated more often, SoapLab or SatNOGS?

SoapLab ships an update every 2 months, and SatNOGS every 5 months. Most recently, SoapLab was updated on September 19, 2026 and SatNOGS on June 3, 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.*