Calsia vs BigChange
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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).
BigChange
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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
Verdict
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
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.
Both ship on a similar rhythm, roughly every 9 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.
| Parameter | Calsia | BigChange |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (512 ratings) — better | — |
| Positive reviews | 51.0% of reviews | — |
| Number of ratings | 512 — better | — |
| Update frequency | Every 9 days | Every 9 days |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 18.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 278 MB | 80 MB |
| Age rating | 4+ | 4+ |
| Developer | Dine4Fit, 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 moreShow fewer
- 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 moreShow fewer
- 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
Calsia
- Premium$2.091 Month
- Monthly$6.991 Month
- Premium$6.991 Month
Show 7 moreShow fewer
- 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
BigChange
- Menu (ЗНИЖКА)$14.99
- Menu (ЗНИЖКА)$17.99
- Solo (ЗНИЖКА)$17.99
Show 7 moreShow fewer
- Solo (ЗНИЖКА)$19.99
- Menu$19.99
- Coach (ЗНИЖКА)$19.99
- Coach (ЗНИЖКА)$24.99
- Solo$24.99
- Coach$29.99
- Pro$44.99








