Box Breathing vs EICalc
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Box Breathing
Read full descriptionHide full description
Box Breathing helps ADHD minds find focus and calm in under a minute. Guided visual and haptic breathing enables you to stay present and balanced. Track your progress with streaks and Apple Health sync. Features include: β’ Box Breathing 4-4-4-4 β’ Daily streak + reminder β’ Shortcuts automation Join others in building calm one minute at a time. Download now and reset your focus. Privacy Policy: http://sleepybytes.com/privacy-policy/ Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
EICalc
Read full descriptionHide full description
Calculate Your Personalized Daily Calorie Target Stop guessing your calorie needs. This science-based calculator determines your optimal daily calorie intake using research-backed formulasβno tracking or logging required. What Makes This Calculator Different: β’ Unlike calorie tracking apps, this tool helps you calculate your personalized calorie target once, based on your unique body composition and lifestyle. Enter your metrics, get your number, and use it to plan your nutrition strategy. Science-Backed Methodology: β’ Our calculator uses the Cunningham formula (1991) combined with individualized factors: - FFM-Based BMR β More accurate than simple age/weight formulas - Gender-Specific Activity Levels β Separate PAL values for men and women - Training Energy Expenditure β Accounts for intensive workout sessions - Thermic Effect of Food (TEF) β Adjusts for diet quality and body composition - Flexible Goal Setting β Calculate for maintenance, deficit, or surplus Perfect For: β’ Athletes planning nutrition periodization β’ Fitness enthusiasts starting a cut or bulk β’ Anyone who wants to understand their calorie needs β’ Coaches calculating client targets How It Works: β’ Enter your body weight and body fat percentage β’ Select your biological sex and activity level β’ Add training days per week and session duration β’ Choose your goal (maintenance/deficit/surplus) β’ Get your personalized daily calorie target Advanced Features: β’ Separate calculations for rest days and training days β’ Adaptive thermogenesis adjustment for lean individuals β’ TEF customization based on diet quality β’ All formulas and calculations transparently displayed This is a calculator, not a food diary. Calculate your target, then use it however works best for youβwhether that's meal planning, flexible eating, or working with a nutrition coach.
Screenshots
Verdict
The clearest difference is price: Box Breathing at Free against EICalc's $0.99. EICalc's advantage is in-app purchases (none vs 3) and update cadence (daily vs every 4 days). On ads there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Box Breathing is free to download; EICalc costs $0.99 up front. Box Breathing sells 3 in-app purchases, starting at $2.99 per month. EICalc asks for nothing beyond the download.
Box Breathing ships an update every 4 days, EICalc daily. The most recent releases landed on September 12, 2026 and September 21, 2026 respectively.
| Parameter | Box Breathing | EICalc |
|---|---|---|
| Price | Free β better | $0.99 |
| Update frequency | Every 4 days | Daily β better |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone | iPhone, iPad, iPod β better |
| Requires iOS | 26.0 | 15.1 β better |
| Further details β not scored | ||
| Size | 12 MB | 29 MB |
| Age rating | 4+ | 17+ |
| Developer | SleepyBytes SIA | Nastja Asipkina |
In-app purchases
Box Breathing
- Monthly Plan$2.991 Month
- Yearly Plan7 Days trial$13.001 Year
- lifetime$29.99
EICalc
No in-app purchases
Questions
Is Box Breathing free?
Is EICalc free?
Do Box Breathing or EICalc have ads?
Which is updated more often, Box Breathing or EICalc?
Other comparisons















