Spark vs Complex Fit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spark
This offline calorie tracker helps you monitor your daily food intake and body measurements. It features a built-in Russian food database and allows for custom food entries. Sync your progress with Apple Health for a comprehensive overview of your health journey.
- Offline calorie tracking
- Built-in Russian food database
- Log meals by time
- Track body measurements
- Add custom foods
- Sync with Apple Health
Read full descriptionHide full description
"Spark: Calorie Counter" — a simple and easy-to-use calorie tracker with Russian language support. The app comes with a built-in food database in Russian and works completely offline. All your data is stored locally on your device, so you can use the calorie counter anywhere — in the countryside, at a summer house, or while traveling — without an internet connection. Key Features: Track daily calorie intake with the option to log meals by time; Keep a log of chest, waist, and hip measurements; Automatically calculate average measurements over time; Add custom foods to the database; Sync weight, calories, macros, water intake, and waist measurements with the Apple Health app. Integration can be enabled or disabled in the settings. If you have any questions, feedback, or suggestions, please leave them at: http://ioscaloriecounter.blogspot.ru/
Complex Fit
Read full descriptionHide full description
Discover upcoming events near you and get personalized recommendations. Stay up on the latest for popular events.
Screenshots
Verdict
The clearest difference is in-app purchases: Complex Fit at none against Spark's 1. Complex Fit also leads on update cadence (every 9 days vs monthly) and iOS requirement (11.0 vs 15.6). Spark's advantage is device support (4 vs 2). On price and ads 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. Spark sells 1 one-off in-app purchase. Complex Fit asks for nothing beyond the download.
Spark ships an update monthly, Complex Fit every 9 days. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.
| Parameter | Spark | Complex Fit |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (3 ratings) — better | — |
| Positive reviews | 69.4% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Monthly | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 15.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 38 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | Dmitri Marfin | Digital Real Marketing |
In-app purchases
Spark
- Awesome calorie counter No Ads$3.99
Complex Fit
No in-app purchases
Questions
Is Spark free?
Is Complex Fit free?
Do Spark or Complex Fit have ads?
Which is updated more often, Spark or Complex Fit?
Other comparisons
