Comparison

Calsia vs BigChange

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

Head to head
About

Calsia

This app helps you achieve your fitness goals by tracking your daily food intake and activities. It provides insights into your energy balance, water intake, and body mass, with a comprehensive food database and barcode support.

Highlights
  • Daily food and activity logging
  • Recommended energy intake for weight loss
  • Daily energy balance tracking
  • Water intake monitoring
  • Body mass graph
  • Barcode scanner for food
  • PC data access
  • Health app connection
Features
Read full description

Would you like to become fit responsibly? FREE app Calsia will help you. The app is based on the extensive database of nutrition values of food. The app provides the following: - list all daily food and activities - recommended amount of energy intake while losing weight - information about daily energy balance - following daily water intake - body mass graph - daily fulfillment of energy balance graph - support for barcodes for food - access your data from your PC - Health app connection Based on user preference, the app works with energy values in kJ or kcal. For more information about Premium, see our Terms of Service (https://www.kaloricketabulky.cz/terms-and-conditions) and Privacy Policy (https://www.kaloricketabulky.cz/privacy-policy).

About

BigChange

Features
Read full description

BigChange - це український бренд. Наш застосунок створений для здорового схуднення без голоду, жорстких обмежень та зривів. У застосунку Ви отримаєте: • продумані раціони з простих і доступних продуктів • заміни кожної страви чи продукту під свої вподобання в їжі • прості й зрозумілі рецепти • зручний продуктовий кошик • тренування вдома або в залі на вибір • трекер звичок і щоденну мотивацію • відслідковування змін і прогресу • систему нарахування балів, що мотивує рухатися далі • підтримку куратора, спільноту дівчат, турботу і впевненість, що Ви не одні Ми віримо, що схуднення має бути не покаранням, а шляхом до легкості, впевненості та любові до свого тіла. Без фанатизму. Без крайнощів. Без “почну з понеділка”. BigChange — це Ваша система змін. Здорова. Реальна. Така, що працює.

Screenshots

Calsia4 screens
BigChange4 screens

Verdict

The call

The clearest difference is ads: BigChange at none against Calsia's shown. BigChange also leads on iOS requirement (15.1 vs 18.0). On price, update cadence, in-app purchases and device support there is nothing between them.

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. Calsia sells 10 in-app purchases, starting at $2.09 per month and BigChange sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 9 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 8 level
Calsia versus BigChange: the parameters behind the verdict, then further details
ParameterCalsiaBigChange
PriceFreeFree
Rating4.7 (512 ratings) — better—
Positive reviews51.0% of reviews—
Number of ratings512 — better—
Update frequencyEvery 9 daysEvery 9 days
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS18.015.1 — better
Further details — not scored
Size278 MB80 MB
Age rating4+4+
DeveloperDine4Fit, a.s.Anastasiia Mudra

Bugs and requests

Calsia

Reported bugs

11 issues
  • Doesn't work more often than it does
  • Data with products doesn't match
  • After update, all data deleted
  • Logged out of premium subscription
  • Can't log in after premium subscription
Show 6 more
  • App crashes immediately after download
  • App doesn't work offline
  • App logs out on iPad when entering food on iPhone
  • Only shows Activity, nothing else
  • Cannot get back the menu
  • Crashing a bit

Requested features

14 requests
  • Allow viewing days older than a year for free
  • Add widget
  • Ability to calculate calorie content of own dishes
  • Include hydration tracking
  • Add reminders
Show 9 more
  • Improve English version translation
  • Add more food databases
  • Allow adding custom dishes to catalog
  • Show remaining calories instead of consumed
  • Improve gram input method
  • Allow adding custom dishes to catalog
  • Return to the old white-green background
  • Remove ads
  • Option to pay for ad removal

BigChange

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Calsia

Subscriptions10
  • Premium$2.091 Month
  • Monthly$6.991 Month
  • Premium$6.991 Month
Show 7 more
  • Premium$14.993 Months
  • Yearly14 Days trial$34.991 Year
  • Yearly1 Month trial$34.991 Year
  • Yearly$34.991 Year
  • Yearly7 Days trial$34.991 Year
  • Yearly1 Year trial$34.991 Year
  • Yearly (Family)$49.991 Year
10 purchases

BigChange

One-time10
  • Menu (ЗНИЖКА)$14.99
  • Menu (ЗНИЖКА)$17.99
  • Solo (ЗНИЖКА)$17.99
Show 7 more
  • Solo (ЗНИЖКА)$19.99
  • Menu$19.99
  • Coach (ЗНИЖКА)$19.99
  • Coach (ЗНИЖКА)$24.99
  • Solo$24.99
  • Coach$29.99
  • Pro$44.99

Questions

Is Calsia free?
Calsia is free to download, with in-app purchases available.
Is BigChange free?
BigChange is free to download, with in-app purchases available.
Do Calsia or BigChange have ads?
Calsia shows ads; BigChange does not.
Which is updated more often, Calsia or BigChange?
Calsia ships an update every 9 days, and BigChange every 9 days. Most recently, Calsia was updated on November 6, 2026 and BigChange on November 5, 2026.

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