# Strong Curves vs Vinterdyp

The clearest difference is in-app purchases: Strong Curves at none against Vinterdyp's 2. Strong Curves also leads on iOS requirement (15.5 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Vinterdyp sells 2 in-app purchases, starting at $1.99 per month. Strong Curves asks for nothing beyond the download.

Strong Curves ships an update every 10 days, Vinterdyp every 2 weeks. The most recent releases landed on October 9, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Strong Curves | Vinterdyp |
| --- | --- | --- |
| 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 | 4 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Booking Board](https://appshunter.io/developer/1698899191) | [Jesper Sachmann](https://appshunter.io/developer/6789713581) |

## 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


### Vinterdyp

[App page](https://appshunter.io/ios/app/vinterdyp/id6789714246)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vinterdyp Plus Månedlig | $1.99 | per month |
| Vinterdyp Plus Årlig | $17.99 | per year |


## Frequently asked questions

### Is Strong Curves free?

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

### Is Vinterdyp free?

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

### Do Strong Curves or Vinterdyp have ads?

Neither Strong Curves nor Vinterdyp shows ads.

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

Strong Curves ships an update every 10 days, and Vinterdyp every 2 weeks. Most recently, Strong Curves was updated on October 9, 2026 and Vinterdyp on September 29, 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.*