# Sej og Stærk vs Gainfully

The clearest difference is in-app purchases: Sej og Stærk at none against Gainfully's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Gainfully sells 2 in-app purchases, starting at $9.99 per month. Sej og Stærk asks for nothing beyond the download.

Sej og Stærk ships an update every 11 days, Gainfully every 2 weeks. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Sej og Stærk | Gainfully |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 weeks |
| Size | 60 MB | 44 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Booking Board](https://appshunter.io/developer/1698899191) | [Jesper Larsen](https://appshunter.io/developer/6775987258) |

## What reviewers say

### Sej og Stærk

[App page](https://appshunter.io/ios/app/sej-og-strk/id6452399987)

**Features:** macOS Compatibility

**In-app purchases:** none


### Gainfully

[App page](https://appshunter.io/ios/app/gainfully-workout-tracker/id6775987256)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gainfully Pro | $9.99 | per month |
| Gainfully Pro Annual | $99.99 | per year |


## Frequently asked questions

### Is Sej og Stærk free?

Sej og Stærk is free to download, with no in-app purchases.

### Is Gainfully free?

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

### Do Sej og Stærk or Gainfully have ads?

Neither Sej og Stærk nor Gainfully shows ads.

### Which is updated more often, Sej og Stærk or Gainfully?

Sej og Stærk ships an update every 11 days, and Gainfully every 2 weeks. Most recently, Sej og Stærk was updated on October 9, 2026 and Gainfully on October 8, 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.*