# Derum vs WeighCal

Derum and WeighCal are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Derum sells 1 one-off in-app purchase and WeighCal sells 2 in-app purchases, starting at $3.99 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 5.0 for WeighCal. Both are backed by a comparable volume of ratings — 7 and 5 respectively.

Derum ships an update every 10 days, WeighCal fortnightly. The most recent releases landed on October 18, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Derum | WeighCal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/derum-share-workouts/id6738618961/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/weighcal/id6760274101/reviews) |
| Number of ratings | **7** | 5 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | Free with in-app purchases | Freemium |
| Size | 79 MB | 28 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Marcin Janus](https://appshunter.io/developer/1771205761) | [Vita Meridian LLC](https://appshunter.io/developer/1883576614) |

## 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 |


### WeighCal

[App page](https://appshunter.io/ios/app/weighcal/id6760274101)

Easily log food and track your daily progress towards weight goals. Monitor calories, macros, weight, water, and sleep with AI-assisted logging and visual progress charts. Stay consistent and motivated on your health journey.

**Highlights:** AI-assisted food logging, Calorie and macro tracking, Weight, water, and sleep logging, Diet preference customization, Progress visualization, Widget for quick updates

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WeighCal Pro Monthly | $3.99 | per month |
| WeighCal Pro Annual | $29.99 | per year |


## Frequently asked questions

### Is Derum free?

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

### Is WeighCal free?

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

### Which has better reviews, Derum or WeighCal?

Derum and WeighCal are both rated 5.0 out of 5 on the App Store, from 7 and 5 ratings respectively.

### Do Derum or WeighCal have ads?

Neither Derum nor WeighCal shows ads.

### Which is updated more often, Derum or WeighCal?

Derum ships an update every 10 days, and WeighCal fortnightly. Most recently, Derum was updated on October 18, 2026 and WeighCal on October 10, 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.*