# Suurstoffi vs SÄPP

The clearest difference is in-app purchases: Suurstoffi at none against SÄPP's 1. Suurstoffi also leads on iOS requirement (13.0 vs 15.6). SÄPP's advantage is ads (none vs shown) and update cadence (monthly vs every 9 months). On price and device support there is nothing between them.

Both are free to download. SÄPP sells 1 in-app purchase, starting at $9.99 per year. Suurstoffi asks for nothing beyond the download.

Suurstoffi ships an update every 9 months, SÄPP monthly. The most recent releases landed on September 10, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Suurstoffi | SÄPP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Monthly** |
| Size | 35 MB | 117 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [bonacasa AG](https://appshunter.io/developer/567389838) | [Sarah Hofer-Siegrist](https://appshunter.io/developer/1370208838) |

## What reviewers say

### Suurstoffi

[App page](https://appshunter.io/ios/app/suurstoffi/id1184993496)

**Features:** macOS Compatibility

**In-app purchases:** none


### SÄPP

[App page](https://appshunter.io/ios/app/sapp/id6760342326)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SÄPP Pro | $9.99 | per year |


## Frequently asked questions

### Is Suurstoffi free?

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

### Is SÄPP free?

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

### Do Suurstoffi or SÄPP have ads?

Suurstoffi shows ads; SÄPP does not.

### Which is updated more often, Suurstoffi or SÄPP?

Suurstoffi ships an update every 9 months, and SÄPP monthly. Most recently, Suurstoffi was updated on September 10, 2026 and SÄPP on September 13, 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.*