# Derum vs Custom Workouts

The clearest difference is update cadence: Custom Workouts at every 4 days against Derum's every 10 days. Derum's advantage is iOS requirement (16.4 vs 18.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Derum sells 1 one-off in-app purchase and Custom Workouts sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Derum against 4.9 for Custom Workouts. Both are backed by a comparable volume of ratings — 7 and 19 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Derum ships an update every 10 days, Custom Workouts every 4 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | Derum | Custom Workouts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/derum-share-workouts/id6738618961/reviews)** | [4.9 (19 ratings)](https://appshunter.io/ios/app/custom-workouts-for-watch/id6740838378/reviews) |
| Number of ratings | 7 | **19** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 4 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 79 MB | 46 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Marcin Janus](https://appshunter.io/developer/1771205761) | [Alex Titarenko](https://appshunter.io/developer/1618489240) |

## What reviewers say

### Derum

[App page](https://appshunter.io/ios/app/derum-share-workouts/id6738618961)

Transform your fitness activities into visually appealing stories for social media. Automatically import workout data and customize templates with photos to share your progress and celebrate milestones.

**Highlights:** Workout data import from Apple Health, Personalized story templates, Photo integration for stories, Direct social media sharing, Save stories to device

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $4.99 | one-time |


### Custom Workouts

[App page](https://appshunter.io/ios/app/custom-workouts-for-watch/id6740838378)

Create and schedule personalized workout routines with custom intervals and target alerts. Sync seamlessly to your Apple Watch for a familiar workout experience. Share your creations with friends and track progress with beautiful widgets.

**Highlights:** Create custom structured workouts, Add work and recovery steps with target alerts, Sync workouts to Apple Watch native app, Schedule workouts with Apple Calendar integration, Access 40+ predefined workouts, Share custom workouts with friends, Privacy-focused, no account required

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Custom Workouts Pro | $1.99 | per month |
| Custom Workouts Pro | $14.99 | per year |
| Custom Workouts Pro (Lifetime) | $24.99 | one-time |


## Frequently asked questions

### Is Derum free?

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

### Is Custom Workouts free?

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

### Which has better reviews, Derum or Custom Workouts?

Derum is rated higher. Derum averages 5.0 out of 5 from 7 ratings, while Custom Workouts averages 4.9 from 19 ratings.

### Do Derum or Custom Workouts have ads?

Neither Derum nor Custom Workouts shows ads.

### Which is updated more often, Derum or Custom Workouts?

Derum ships an update every 10 days, and Custom Workouts every 4 days. Most recently, Derum was updated on October 30, 2026 and Custom Workouts on October 30, 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.*