Comparison

Derum vs WeighCal

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Derum

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
Read full description

Turn Your Workouts Into Stunning Stories! Whether you’ve just crushed a run, cycled new trails, or completed an epic yoga session, our app helps you celebrate your fitness journey like never before. Key Features: - Workout Highlights: Automatically pull workout stats like distance, duration, calories burned, and heart rate from Apple Health. - Personalized Templates: Choose from beautifully designed story templates to match your vibe. - Photo Integration: Add your favorite workout or post-workout photos to create unique, shareable stories. - Seamless Sharing: Post directly to Instagram, Snapchat, Facebook, or save to your device. Why You’ll Love It: - Celebrate your fitness milestones. - Inspire friends with your progress. - Make every workout memorable! Ready to share your fitness story with the world? Download now and turn your workouts into art!

About

WeighCal

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
Read full description

WeighCal helps you reach your weight goals by making it easy to log food and follow your daily progress in one place. Track calories, macros, weight, water, and sleep, stay focused on your goals, and see your progress at a glance. With WeighCal, you can: Track calories and meals with ease Choose diet preferences with different macro targets Use AI-assisted food logging to identify calories and macros faster Log weight, water, and sleep in seconds Follow your progress toward your weight goals Use the widget for quick updates at a glance WeighCal is built to help you stay consistent, build momentum, and keep moving toward your goals. Terms of Use: https://vitameridian.com/terms.html

Screenshots

Derum4 screens
WeighCal4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

ScorecardNo meaningful differences
Derum versus WeighCal: the parameters behind the verdict, then further details
ParameterDerumWeighCal
PriceFreeFree
Rating5.0 (7 ratings)5.0 (5 ratings)
Positive reviews100.0% of reviews—
Number of ratings7 — better5
Update frequencyEvery 10 days — betterFortnightly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhoneiPhone
Requires iOS16.4 — better17.0
Further details — not scored
Size79 MB28 MB
Age rating4+12+
DeveloperMarcin JanusVita Meridian LLC

Customer experience

Derum

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

WeighCal

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Derum

One-time1
  • Lifetime Access$4.99
2 purchases

WeighCal

Subscriptions2
  • WeighCal Pro Monthly$3.991 Month
  • WeighCal Pro Annual$29.991 Year

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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