Comparison

Calculator # vs Present Value Calculator

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

Head to head
About

Calculator #

This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.

Highlights
  • Math Photos Solver
  • Handwriting Recognition
  • AI Math Problem Solver
  • Mathematical Display
  • Equation Solvers
  • 2D Graphing
  • Algebraic Functions
Features
Read full description

◉ Over 11,000,000 Downloads Worldwide ◉ Top Free Utilities Apps in US, UK, AUS, CAN, GER,... ◉ Rated & Reviewed on ILoveFreeSoftware.com FREE Alternative to Graphing TI-83, TI-84, TI-89, Casio FX, Sharp EL,... Calculator # – The free, multi-function calculator for iPhone/iPad is proud to offer a variety of features to satisfy wide ranges of customers: The App possesses a powerful math core and algebra engine with mathematical display support, making it a viable tool for everyone from those looking for basic calculation to more advanced users, such as scientific computation, engineers, and math students. Calculator # makes available everything you need – including a user manual and tutorial video clips – so you can master the app in a matter of minutes! ◉ Official Website: http://iPhoneCalculator.com ◉ ADVANCED FEATURES: ▸ Math Photos Solver * ▸ Handwriting Recognition * ▸ Math Problem Solver (AI) * ◉ GENERAL FEATURES: ▸ Universal Calculator App ▸ Support All the Latest Devices ¹ ▸ Support Multitasking (iPad) ▸ Support Wireless KB ² ▸ Mathematical Display ▸ Edit & Export Expression/Result ▸ History Tape View ▸ Basic Calculations (+, -, x, ÷, %, Abs,...) ▸ Advanced Functions (Sin,Cos,Ln,X!, ^, √,…) ▸ 14 Memory Variables (Including X,Y,Z,M) ▸ Assignment Operator ▸ F(x) Customize Functions (F1 Only) ▸ Fraction and Degree/Angle Calculation ▸ Numeric Integral Calculation ▸ Dual Skins (Silver Light & Carbon+) ◉ ALGEBRA FEATURES: ▸ Big Integer & Rational Number (Up to 30!) ▸ Expand and Factor Polynomials ▸ Basic Indefinite integral ◉ EQUATIONS SOLVERS: ▸ Quadratic Equations ▸ System of Linear Equations (2 Unknowns) ◉ 2D GRAPH: ▸ Snap to Points ▸ Smooth Zoom & Transformation ▸ Support F(X,Y) = 0. E.g. Sin(X) + Cos(Y) = 0. ◉ MULTIPLE LANGUAGES: ▸ English, Spanish, German, ▸ French, Japanese, Chinese (*) In-App-Purchase is required ¹: Include iPhone 6/6S+ HD Retina Display ²: Standard English KB We love your feedback, Thanks a lot ! Terms of Service: https://iphonecalculator.com/terms-of-service/

About

Present Value Calculator

Calculate the present value of future cash flows by inputting time, future amount, and interest rate. Offers options for compound frequency like yearly, quarterly, monthly, or daily.

Highlights
  • Calculate present value
  • Input future amount
  • Input interest rate
  • Adjust compound frequency
  • Yearly compounding
  • Quarterly compounding
  • Monthly compounding
  • Daily compounding
Features
Read full description

Use this app to estimate the present value of a future amount based on an interest rate and time period. Calculate present value using different compound frequencies, including Yearly, Quarterly, Monthly, and Daily. Detailed results help you better understand the time value of money. Disclaimer: Results are estimates for informational purposes only and should not be considered financial, investment, legal, or tax advice. We are very happy to serve you. If you have any requests, don't hesitate to contact us. - https://www.facebook.com/phan.nhatdang.3/ - phannhatd@gmail.com

Screenshots

Calculator #4 screens
Present Value Calculator3 screens

Verdict

The call

The clearest difference is rating: Calculator # at 4.6 against Present Value Calculator's 3.8. Calculator # also leads on update cadence (every 2 months vs every 30 months) and ratings volume (36K vs 21). On price, ads, in-app purchases and monetization model 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. Calculator # sells 6 in-app purchases, starting at $1.49 per month and Present Value Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Calculator # holds the better App Store score, 4.6 against 3.8. That said, the two scores are not equally well evidenced: Calculator # has 36K ratings behind it against 21, so its average is the more settled of the two.

UpkeepUpdate frequency

Calculator # ships an update every 2 months, Present Value Calculator every 30 months. The most recent releases landed on October 21, 2026 and October 6, 2026 respectively.

Scorecard3 real differences · 7 level
Calculator # versus Present Value Calculator: the parameters behind the verdict, then further details
ParameterCalculator #Present Value Calculator
PriceFreeFree
Rating4.6 (36K ratings) — better3.8 (21 ratings)
Positive reviews59.7% of reviews—
Number of ratings36K — better21
Update frequencyEvery 2 months — betterEvery 30 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.112.0 — better
Further details — not scored
Size57 MB12 MB
Age rating4+4+
DeveloperIncpt.MobisPhan Nhat Đang

Customer experience

Calculator #

All ratings35,876 ratings
Positive90.4%
Neutral3.8%
Negative5.8%
Written reviews466 reviews
Positive59.7%
Neutral6.4%
Negative33.9%

Present Value Calculator

All ratings19 ratings
Positive78.9%
Neutral0.0%
Negative21.1%

Bugs and requests

Calculator #

Reported bugs

3 issues
  • Crashes when trying to use certain functions
  • Handwriting recognition not working reliably
  • Inability to input negative numbers

Requested features

3 requests
  • Add option to turn off animation
  • Improve ad placement to avoid obstructing usage
  • Provide more transparency on paid features

Present Value Calculator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Calculator #

Subscriptions4
  • PRO Upgrade 1 Month3 Days trial$1.491 Month
  • PRO Upgrade 3 Months7 Days trial$2.993 Months
  • PRO + Recognition 1 Month$4.991 Month
Show 1 more
  • PRO + Recognition 3 Months$11.993 Months
One-time2
  • 250 AI Recognition & Queries$0.99
  • 600 AI Recognition & Queries$1.99
1 purchases

Present Value Calculator

One-time1
  • Unlock all features$1.99

Questions

Is Calculator # free?
Calculator # is free to download, with in-app purchases available.
Is Present Value Calculator free?
Present Value Calculator is free to download, with in-app purchases available.
Which has better reviews, Calculator # or Present Value Calculator?
Calculator # is rated higher. Calculator # averages 4.6 out of 5 from 36K ratings, while Present Value Calculator averages 3.8 from 21 ratings.
Do Calculator # or Present Value Calculator have ads?
Both Calculator # and Present Value Calculator show ads.
Which is updated more often, Calculator # or Present Value Calculator?
Calculator # ships an update every 2 months, and Present Value Calculator every 30 months. Most recently, Calculator # was updated on October 21, 2026 and Present Value Calculator on October 6, 2026.

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