Comparison

Calculator Calcora vs DevHabit

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

Head to head
About

Calculator Calcora

Enhance your mobile math experience with precise editing, instant feedback, and haptic responses. This clean and fast utility allows for mid-equation edits and quick result copying, making calculations more intuitive and efficient.

Highlights
  • Precise cursor control for mid-equation editing
  • Instant feedback and haptic typing
  • Double-tap to copy results
  • Keep screen awake during sessions
  • Clean, fast, and private design
  • No ads, accounts, or internet required
Features
Read full description

The default iPhone calculator skips a few simple but essential touches. Calcora fixes that — with precision editing, instant feedback, and a design that feels effortless. Edit mid-equation with precise cursor control. Double tap to copy results. Feel subtle haptic feedback as you type. Keep your screen awake during longer sessions. Every detail is tuned to make math on iPhone faster, calmer, and more human. Calcora isn’t cluttered or bloated. It’s clean, fast, and private — no ads, no accounts, no internet connection required.

About

DevHabit

Features
Read full description

Make Change a Habit, Make Persistence Simple DevHabit is a professional habit tracking app that helps you build good habits and break bad ones using science-backed methods for personal growth. Why Choose DevHabit? • Dual Management - Unique good/bad habit classification system for better psychological experience • Home Screen Widgets - 3 widget sizes for instant progress check without opening the app • Smart Analytics - Streak counts, completion rates, trend analysis to witness daily growth • Achievement System - Unlock exclusive badges to stay motivated • Personalized Reminders - Gentle reminders for good habits, warning alerts for bad ones Core Features Habit Management 24 beautiful icons to personalize your habits Separate tracking for good and bad habits Custom reminder times and frequencies Progress Tracking One-tap check-in with intuitive interface Calendar view for historical records Streak counts and cumulative statistics Home Screen Widgets Small: Display 2 important habits Medium: Show 4 habits with progress Large: Complete dashboard view Achievement System 8 carefully designed achievement badges Milestone rewards for consistency Unlock Pro feature previews Pro Features Upgrade to Pro for powerful advanced features: • Unlimited habits (Free version limited to 3) • Advanced analytics and trend charts • iCloud auto-sync - never lose your data • All widget sizes and styles • 100+ professional habit templates • Data export (PDF/Excel formats) • Custom themes and personalization • Priority customer support Special Offers • 7-day free trial of all Pro features • 50% off first month for new users • Annual subscription saves 28% vs monthly Let DevHabit accompany your growth journey. Start today and make change a habit! Privacy Policy: https://gist.github.com/mokong/a2b2a5ba51df445acb8f1c47b5ebb08e/raw Terms of Use: https://gist.github.com/mokong/4cb5c50f435fcf6b689478051fad47c1/raw

Screenshots

Calculator Calcora4 screens
DevHabit4 screens

Verdict

The call

The clearest difference is in-app purchases: Calculator Calcora at none against DevHabit's 3. Calculator Calcora also leads on update cadence (monthly vs every 4 months). On price, ads, device support and iOS requirement 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. DevHabit sells 3 in-app purchases, starting at $2.99 per month. Calculator Calcora asks for nothing beyond the download.

UpkeepUpdate frequency

Calculator Calcora ships an update monthly, DevHabit every 4 months. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 7 level
Calculator Calcora versus DevHabit: the parameters behind the verdict, then further details
ParameterCalculator CalcoraDevHabit
PriceFreeFree
Rating4.7 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyMonthly — betterEvery 4 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.616.0 — better
Further details — not scored
Size1 MB3 MB
Age rating4+4+
DeveloperOleksandr Bashev珍珍 张

In-app purchases

None

Calculator Calcora

No in-app purchases

3 purchases

DevHabit

Subscriptions2
  • Pro Monthly$2.991 Month
  • Pro Yearly (Best Value)$19.991 Year
One-time1
  • Pro Lifetime$39.99

Questions

Is Calculator Calcora free?
Calculator Calcora is free to download, with no in-app purchases.
Is DevHabit free?
DevHabit is free to download, with in-app purchases available.
Do Calculator Calcora or DevHabit have ads?
Neither Calculator Calcora nor DevHabit shows ads.
Which is updated more often, Calculator Calcora or DevHabit?
Calculator Calcora ships an update monthly, and DevHabit every 4 months. Most recently, Calculator Calcora was updated on October 28, 2026 and DevHabit on October 25, 2026.

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