Comparison

Remaining vs sci.calculator

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

Head to head
About

Remaining

Track daily activities and habits with numerical targets. Visualize progress through lists, calendars, and graphs, and monitor achievement rates. Supports decimal values for precise tracking.

Highlights
  • Numerical target achievement
  • Daily activity tracking
  • Progress visualization (list, calendar, graph)
  • Achievement rate monitoring
  • Decimal value support
Features
Read full description

How’s your progress? Build habits and reach measurable goals, one daily entry at a time. Track your progress, remaining amount, and completion rate in lists, calendars, charts, and the Dashboard. Stay motivated with streaks, reminders, and Home Screen or Lock Screen widgets. Activity values can be entered as estimates, with support for up to two decimal places. Keep building your habits, one day at a time.

About

sci.calculator

Features
Read full description

A stylish yet powerful scientific calculator. The app is designed with a single-screen layout for simple and intuitive operation. Calculation history is saved and can be reused easily. Results are shown in both mathematical notation and decimal format. 【Main Features】 • Basic arithmetic, modulo, trigonometric functions • Exponential, logarithmic, power and root calculations • Unit conversion and 47 scientific constants (CODEC2022) • Prime factorization, GCD and LCM • Binary, octal and hexadecimal calculations with logical operations • 8 memory slots • Permutations, combinations, and pseudo-random numbers • Systems of linear equations (up to 4 variables) • Polynomial equations (up to 4th degree) • Equation solving using Newton’s method • Time and angle calculations • External keyboard support 【Designed for Ease of Use】 • Unit conversion includes intuitive units such as “Tokyo Dome volume,” light-years, and cooking measurements. • Choose from 6 color themes to match your iPhone or iPad. • Quick switching between RAD/DEG and number bases on a single screen. • Supports iPad multitasking, allowing calculations alongside other apps. Clean, readable, and efficient. A scientific calculator that combines functionality with a modern design.

Screenshots

Remaining3 screens
sci.calculator3 screens

Verdict

The call

The clearest difference is price: sci.calculator at Free against Remaining's $1.99. sci.calculator also leads on update cadence (every 5 weeks vs every 6 months) and iOS requirement (15.0 vs 18.6). Remaining's advantage is in-app purchases (none vs 1). On ads and device support 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

sci.calculator is free to download; Remaining costs $1.99 up front. sci.calculator sells 1 one-off in-app purchase. Remaining asks for nothing beyond the download.

UpkeepUpdate frequency

Remaining ships an update every 6 months, sci.calculator every 5 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 4 level
Remaining versus sci.calculator: the parameters behind the verdict, then further details
ParameterRemainingsci.calculator
Price$1.99Free — better
Positive reviews40.0% of reviews—
Update frequencyEvery 6 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.615.0 — better
Further details — not scored
Size5 MB49 MB
Age rating4+4+
DeveloperSTUDiO405Yukihiro Shioya

In-app purchases

None

Remaining

No in-app purchases

1 purchases

sci.calculator

One-time1
  • remove Ads$1.99

Questions

Is Remaining free?
Remaining costs $1.99, with no in-app purchases.
Is sci.calculator free?
sci.calculator is free to download, with in-app purchases available.
Do Remaining or sci.calculator have ads?
Neither Remaining nor sci.calculator shows ads.
Which is updated more often, Remaining or sci.calculator?
Remaining ships an update every 6 months, and sci.calculator every 5 weeks. Most recently, Remaining was updated on November 1, 2026 and sci.calculator on November 3, 2026.

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