Comparison

CalcMate vs Scientific Computer

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

Head to head
About

CalcMate

This app combines note-taking with a powerful calculator, allowing you to perform calculations directly within your text. It handles math, currency, unit conversions, and date calculations, offering a streamlined alternative to spreadsheets and traditional calculators.

Highlights
  • Calculate math within text
  • Currency and unit conversions
  • Date calculations
  • Organize notes with folders
  • iCloud syncing
  • Custom number keyboard
Features
Read full description

CalcMate is a powerful notepad with a built-in calculator that lets you write naturally while solving calculations instantly. Enter numbers, text, percentages, currencies, dates, and units—all in the same note. Whether you’re calculating invoices, tracking expenses, creating budgets, or making quick estimates, CalcMate eliminates the need to switch between a notes app, calculator, and spreadsheet. What you can do • Perform calculations directly inside your notes. • Calculate percentages, taxes, discounts, and tips. • Convert currencies and units. • Calculate dates and durations. • Create invoices, budgets, bills, and shopping lists. • Reference previous calculations and keep everything organized. Try these examples • 100 + 5 tip • 1000$ + 20% fee • 900$ + 20$ delivery + 1.5% • 500 USD in EUR • 10 BTC in USD • Today + 5 days • Tomorrow + 10 days • 1 kg in lb • subtotal — calculates the total of all previous lines • line5 — uses the result from line 5 • # this is a comment …and much more. Features • Smart note editor with live calculations • Organize notes with folders • Trash folder to restore or permanently delete notes • iCloud sync across your Apple devices • Optional custom number keyboard • Optional running total displayed above the keyboard We’d love your feedback Have questions, suggestions, or need help? Contact us at: lazyboardapp+calcmate@gmail.com

About

Scientific Computer

This app offers a comprehensive suite of calculation tools, including basic, scientific, mortgage, and tax calculators. It also provides unit conversions, date calculations, and a compass with location data. Manage your finances, plan projects, and navigate with ease using its multifunctional features.

Highlights
  • Basic and scientific calculations
  • Mortgage and personal income tax calculator
  • Date and unit conversion
  • Compass with GPS data
  • Score calculator
  • Base conversion
Features
Read full description

The all-in-one scientific calculator is a powerful calculator with powerful calculation functions. A calculator that supports basic calculators, scientific calculators, score calculators, mortgage calculators, personal income tax calculations, base conversion, date calculation, unit conversion, and more functions. It is a compass tool that helps you identify directions and view latitude, longitude, and altitude.  Function Introduction: [Basic Calculator] provides basic arithmetic operation functions, with a simple interface and intuitive operation, making it easy for users to quickly perform calculations. In addition to efficient basic calculators, scientific calculators also support trigonometric functions, radians, constants, and other calculators. The score calculator supports addition, subtraction, multiplication, and division calculations between two scores. [Mortgage Calculator] Commercial loan, housing provident fund loan, and combination loan calculator, supporting more detailed viewing. [Personal income tax calculation] Supports the calculation of five insurances and one fund, as well as the calculation of year-end bonuses. [Date Calculation] Supports functions such as date interval, date conversion, date calculation, world time, etc. [Unit Conversion] Supports length conversion, area conversion, volume conversion, temperature conversion, velocity conversion, time conversion, weight conversion, pressure conversion, power conversion, heat conversion, and force conversion. [Compass] Identify direction, quickly find southeast, northwest, and can also view latitude, longitude, altitude, and other data. Subscription instructions: -Subscription Service: Weekly Membership -Payment: After the user confirms the purchase and makes the payment, it will be credited to their iTunes account -The Apple iTunes account will be charged within 24 hours before expiration, and once the charge is successful, the subscription period will be extended by one subscription period -The subscription will automatically renew at the same price and period as before, unless automatic renewal is turned off at least 24 hours before the end of the current subscription period -After purchase, users can manage subscriptions and disable automatic renewals in their account settings. Privacy Policy:https://www.yuque.com/ilovni/lnzzwb/ktore26uxzid97vb?singleDoc# Term of service:https://www.yuque.com/ilovni/lnzzwb/qfp7hbl1834kk69m?singleDoc#

Screenshots

CalcMate4 screens
Scientific Computer4 screens

Verdict

The call

The clearest difference is ads: Scientific Computer at none against CalcMate's shown. Scientific Computer also leads on iOS requirement (13.0 vs 16.0). CalcMate's advantage is ratings volume (96 vs 1). On price, rating, review sentiment and update cadence 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. CalcMate sells 5 one-off in-app purchases and Scientific Computer sells 1 in-app purchase, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for CalcMate against 5.0 for Scientific Computer. That said, the two scores are not equally well evidenced: CalcMate has 96 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 95% of CalcMate's written reviews are positive against 100% of Scientific Computer's.

UpkeepUpdate frequency

CalcMate ships an update fortnightly, Scientific Computer every 2 weeks. The most recent releases landed on September 21, 2026 and June 3, 2026 respectively.

Scorecard3 real differences · 7 level
CalcMate versus Scientific Computer: the parameters behind the verdict, then further details
ParameterCalcMateScientific Computer
PriceFreeFree
Rating4.9 (96 ratings)5.0 (1 ratings) — better
Positive reviews95.2% of reviews100.0% of reviews — better
Number of ratings96 — better1
Update frequencyFortnightly — betterEvery 2 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size21 MB118 MB
Age rating4+4+
DeveloperElsayed HusseinWuhan Sheshou Technology Co.,Ltd.

Customer experience

CalcMate

All ratings96 ratings
Positive96.9%
Neutral3.1%
Negative0.0%
Written reviews21 reviews
Positive95.2%
Neutral0.0%
Negative4.8%

Scientific Computer

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

5 purchases

CalcMate

One-time5
  • Buy me a coffee$0.99
  • Buy me 2 coffees$1.99
  • Buy Me a burger$4.99
Show 2 more
  • Remove Ads$5.99
  • Buy Me a pizza$9.99
1 purchases

Scientific Computer

Subscriptions1
  • One week membership3 Days trial$5.997 Days

Questions

Is CalcMate free?
CalcMate is free to download, with in-app purchases available.
Is Scientific Computer free?
Scientific Computer is free to download, with in-app purchases available.
Which has better reviews, CalcMate or Scientific Computer?
Scientific Computer is rated higher. CalcMate averages 4.9 out of 5 from 96 ratings, while Scientific Computer averages 5.0 from 1 ratings.
Do CalcMate or Scientific Computer have ads?
CalcMate shows ads; Scientific Computer does not.
Which is updated more often, CalcMate or Scientific Computer?
CalcMate ships an update fortnightly, and Scientific Computer every 2 weeks. Most recently, CalcMate was updated on September 21, 2026 and Scientific Computer on June 3, 2026.

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