# Strong Curves vs Gainfully

The clearest difference is in-app purchases: Strong Curves 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. Strong Curves asks for nothing beyond the download.

Strong Curves ships an update every 10 days, Gainfully every 2 weeks. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Strong Curves | Gainfully |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/strong-curves/id6469670851/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | Free | — |
| 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

### Strong Curves

[App page](https://appshunter.io/ios/app/strong-curves/id6469670851)

This app consolidates all your fitness needs, allowing you to book classes, manage personal training programs, and track your progress. It also features a shop for fitness essentials and introduces you to the team behind the center.

**Highlights:** Class booking and management, Personal training program access, Event registration, Progress tracking, In-app shop for fitness gear, Meet the team section

**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 Strong Curves free?

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

### Is Gainfully free?

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

### Do Strong Curves or Gainfully have ads?

Neither Strong Curves nor Gainfully shows ads.

### Which is updated more often, Strong Curves or Gainfully?

Strong Curves ships an update every 10 days, and Gainfully every 2 weeks. Most recently, Strong Curves 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.*