Comparison

Calculator Calcora vs Focus25

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

Focus25

Features
Read full description

Focus is an Apple Watch–first focus timer that helps turn individual focus sessions into a lasting habit. Start from your wrist with a tap. When you finish, your iPhone brings together today’s focus time and shows daily, weekly, and monthly trends so you can see your rhythm take shape. Built for habits ・Start focus sessions quickly on Apple Watch ・See today’s focus time and daily feedback on iPhone ・Explore trends across the last 7 days, 8 weeks, and 12 months ・Understand your rhythm through the balance of focus and break sessions ・Keep Apple Watch and iPhone in sync automatically Simple by design Focus has no account requirement, task overload, or complicated setup. Open Apple Watch and begin a session; open iPhone and reflect on the rhythm you are building. Privacy first Your focus records stay on your devices and sync between your paired Apple Watch and iPhone. Focus does not require an account or rely on a private server. Made for studying, deep work, reading, writing, and anyone who wants to make focus a more consistent part of everyday life.

Screenshots

Calculator Calcora4 screens
Focus254 screens

Verdict

The call

The clearest difference is in-app purchases: Calculator Calcora at none against Focus25's 1. Focus25's advantage is update cadence (every 3 days vs monthly). 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. Focus25 sells 1 one-off in-app purchase. Calculator Calcora asks for nothing beyond the download.

UpkeepUpdate frequency

Calculator Calcora ships an update monthly, Focus25 every 3 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 7 level
Calculator Calcora versus Focus25: the parameters behind the verdict, then further details
ParameterCalculator CalcoraFocus25
PriceFreeFree
Rating4.7 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyMonthlyEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone, Apple Watch — better
Requires iOS16.6 — better17.0
Further details — not scored
Size1 MB4 MB
Age rating4+4+
DeveloperOleksandr Bashev书心 刘

In-app purchases

None

Calculator Calcora

No in-app purchases

1 purchases

Focus25

One-time1
  • Focus Premium$1.99

Questions

Is Calculator Calcora free?
Calculator Calcora is free to download, with no in-app purchases.
Is Focus25 free?
Focus25 is free to download, with in-app purchases available.
Do Calculator Calcora or Focus25 have ads?
Neither Calculator Calcora nor Focus25 shows ads.
Which is updated more often, Calculator Calcora or Focus25?
Calculator Calcora ships an update monthly, and Focus25 every 3 days. Most recently, Calculator Calcora was updated on October 28, 2026 and Focus25 on October 25, 2026.

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