Comparison

Calculator # vs APCal

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

APCal

Features
Read full description

AP Calculus BC 分类练习 "APCAL App is a practice software specifically designed for the Calculus BC exam. Through a rich question bank and detailed explanations, it helps students consolidate calculus knowledge and improve exam scores. The app includes the following features: Multiple question types: Including multiple-choice questions, short-answer questions, etc., covering all knowledge points of the Calculus BC exam. Real-time feedback: After submitting answers, the system immediately provides correct answers and detailed explanations to help students promptly correct mistakes. Future updates will progressively include progress tracking and personalized practice." "APCAL App是一款专为微积分BC考试设计的练习软件。通过丰富的题库和详细的解析,帮助学生巩固微积分知识,提高考试成绩。App包含以下功能: 多种题型:包括选择题、简答题等,覆盖微积分BC考试的全部知识点。 实时反馈:提交答案后,系统会立即给出正确答案和详细解析,帮助学生及时纠正错误。

Screenshots

Calculator #4 screens
APCal4 screens

Verdict

The call

The clearest difference is price: Calculator # at Free against APCal's $8.99. Calculator # also leads on iOS requirement (12.1 vs 18.6). APCal's advantage is in-app purchases (none vs 6) and ads (none vs shown). On 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

Calculator # is free to download; APCal costs $8.99 up front. Calculator # sells 6 in-app purchases, starting at $1.49 per month. APCal asks for nothing beyond the download.

UpkeepUpdate frequency

Calculator # ships an update every 2 months, APCal every 8 days. The most recent releases landed on October 21, 2026 and October 8, 2026 respectively.

Scorecard5 real differences · 5 level
Calculator # versus APCal: the parameters behind the verdict, then further details
ParameterCalculator #APCal
PriceFree — better$8.99
Rating4.6 (36K ratings) — better—
Positive reviews59.7% of reviews—
Number of ratings36K — better—
Update frequencyEvery 2 monthsEvery 8 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.1 — better18.6
Further details — not scored
Size57 MB8 MB
Age rating4+4+
DeveloperIncpt.Mobis祖超 夏

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

APCal

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
None

APCal

No in-app purchases

Questions

Is Calculator # free?
Calculator # is free to download, with in-app purchases available.
Is APCal free?
APCal costs $8.99, with no in-app purchases.
Do Calculator # or APCal have ads?
Calculator # shows ads; APCal does not.
Which is updated more often, Calculator # or APCal?
Calculator # ships an update every 2 months, and APCal every 8 days. Most recently, Calculator # was updated on October 21, 2026 and APCal on October 8, 2026.

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