Comparison

Box Breathing vs EICalc

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

Head to head
About

Box Breathing

Features
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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/

About

EICalc

Features
Read 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 formulasβ€”no 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 – More accurate than simple age/weight formulas - Gender-Specific Activity Levels – Separate PAL values for men and women - Training Energy Expenditure – Accounts for intensive workout sessions - Thermic Effect of Food (TEF) – Adjusts for diet quality and body composition - Flexible Goal Setting – 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 youβ€”whether that's meal planning, flexible eating, or working with a nutrition coach.

Screenshots

Box Breathing4 screens
EICalc4 screens

Verdict

The call

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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.

UpkeepUpdate frequency

Box Breathing ships an update every 4 days, EICalc daily. The most recent releases landed on September 12, 2026 and September 21, 2026 respectively.

Scorecard5 real differences Β· 1 level
Box Breathing versus EICalc: the parameters behind the verdict, then further details
ParameterBox BreathingEICalc
PriceFree β€” better$0.99
Update frequencyEvery 4 daysDaily β€” better
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhoneiPhone, iPad, iPod β€” better
Requires iOS26.015.1 β€” better
Further details β€” not scored
Size12 MB29 MB
Age rating4+17+
DeveloperSleepyBytes SIANastja Asipkina

In-app purchases

3 purchases

Box Breathing

Subscriptions2
  • Monthly Plan$2.991 Month
  • Yearly Plan7 Days trial$13.001 Year
One-time1
  • lifetime$29.99
None

EICalc

No in-app purchases

Questions

Is Box Breathing free?
Box Breathing is free to download, with in-app purchases available.
Is EICalc free?
EICalc costs $0.99, with no in-app purchases.
Do Box Breathing or EICalc have ads?
Neither Box Breathing nor EICalc shows ads.
Which is updated more often, Box Breathing or EICalc?
Box Breathing ships an update every 4 days, and EICalc daily. Most recently, Box Breathing was updated on September 12, 2026 and EICalc on September 21, 2026.

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