Comparison

jCalc vs Photo Math Calculator

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

Head to head
About

jCalc

This app is a powerful yet easy-to-use scientific calculator designed for students, teachers, and professionals. It simplifies complex calculations involving fractions, decimals, and advanced equations with flexible answer formats and smart conversions.

Highlights
  • Fractions and decimals calculations
  • Flexible answer formats
  • Smart conversions
  • Advanced math functions
  • Memory recall
  • Auto parentheses
Read full description

Simple. Powerful. Easy to Use.
 jCalc is a scientific calculator designed for students, teachers, and professionals. Whether you're solving fractions, decimals, or advanced equations, jCalc makes it easy and intuitive. Key Features: 
Fractions and Decimals Made Easy: • [1] [.] [2] = 1.2 • [1] [n/d] [2] = 1/2 • [1] [n/d] [2] [Nn/d] [3] = 1_2/3 Flexible Answer Formats: • Display up to 16 decimal places • Results in irrational, rational, decimal, or scientific format • Trigonometric results in radians, degrees, or gradians Smart Conversions: • [Ab/c] ⟺ [a/b] ⟺ [a.b] ⟺ [a.b×10^c] Button Functions You’ll Love: • [del]: Delete the last entry • [C]: Clear the current expression • [AC]: Hold [C] to clear all entries • [sci]: Switch to scientific mode • [2nd]: Access advanced functions Advanced Math Features: • Memory Functions: Recall previous answers with [ans] • Auto Parentheses: No manual typing needed • Percent Button: Simplify percentage calculations • Scientific Notation: Effortless input for large numbers • π Button: Quick access to π Comprehensive Math Tools: • Roots, powers, and exponents • Logarithms (including custom bases) • Trigonometric and hyperbolic functions ([hyp]) • Permutations, combinations, and factorials ([prob]) Discover a calculator that’s as simple as it is powerful. Happy calculating!

About

Photo Math Calculator

Instantly solve math problems by taking a photo or typing them in. Get step-by-step solutions and explanations for a wide range of math topics, from basic algebra to calculus. Includes graphing and an advanced calculator.

Highlights
  • Solve math problems with camera
  • Step-by-step solutions
  • Handwritten problem solving
  • Graph equations
  • Advanced scientific calculator
  • Covers algebra, calculus, geometry, and more
Features
Read full description

Photo Math Calculator solves maths problem by taking photo. From basic algebra to advanced calculus and trigonometry. Simply point your camera and snap a photo or type your math homework question for step-by-step answers. The app includes a lot of mathematics topics such as geometry, algebra, trigonometry, quadratic function, linear function, linear system, circle equation, math sequences, probability, vectors. Features include: - Step-by-step solution & explanation. - Solve handwritten problems. - Graphs equations. - Advanced scientific calculator Premium Subscription • Payment will be charged to iTunes Account at confirmation of purchase • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the period. • Length of subscriptions : Weekly & Yearly. • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. • Price of subscriptions: Weekly 3.99 USD & Yearly 24.99 USD • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. • No cancellation of the current subscription is allowed during active subscription period. • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription. For further information: Privacy Policy: https://www.personalsecurityapps.com/privacy-policy Terms of Service : https://www.personalsecurityapps.com/terms-of-service

Screenshots

jCalc4 screens
Photo Math Calculator4 screens

Verdict

The call

The clearest difference is in-app purchases: jCalc at none against Photo Math Calculator's 2. jCalc also leads on ads (none vs shown). Photo Math Calculator's advantage is review sentiment (100% vs 85%). On price, update cadence, 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. Photo Math Calculator sells 2 in-app purchases, starting at $3.99 per 7 days. jCalc asks for nothing beyond the download.

UpkeepUpdate frequency

jCalc ships an update every 7 months, Photo Math Calculator every 13 months. The most recent releases landed on October 21, 2026 and October 13, 2026 respectively.

Scorecard4 real differences · 6 level
jCalc versus Photo Math Calculator: the parameters behind the verdict, then further details
ParameterjCalcPhoto Math Calculator
PriceFreeFree
Rating4.6 (259 ratings) — better—
Positive reviews85.2% of reviews100.0% of reviews — better
Number of ratings259 — better—
Update frequencyEvery 7 months — betterEvery 13 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.1 — better15.6
Further details — not scored
Size2 MB26 MB
Age rating4+4+
DeveloperJon EricksenMaria Raca

Customer experience

jCalc

All ratings247 ratings
Positive90.7%
Neutral3.6%
Negative5.7%
Written reviews81 reviews
Positive85.2%
Neutral9.9%
Negative4.9%

Photo Math Calculator

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

jCalc

Reported bugs

7 issues
  • Display characters not rendering correctly (about 1/4 of characters missing)
  • Fraction buttons not working as intended
  • iPhone landscape mode does not rotate or display split view
  • App freezes during use
  • Character display issues with numbers 0-9 appearing incomplete
Show 2 more
  • Compatibility issues with latest iOS updates
  • Fraction input only accepts single digits before conversion

Requested features

9 requests
  • Widget support for home screen
  • Scientific calculator functions (sin, cos, tan, square root, squaring)
  • Original version 1.0 color scheme option
  • Running tape format in newer versions
  • Screen rotation lock for landscape mode
Show 4 more
  • Memory function for calculations
  • More conventional calculator design option
  • Tutorial or onboarding guide
  • Support for iPhone Max devices

Photo Math Calculator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

jCalc

No in-app purchases

2 purchases

Photo Math Calculator

Subscriptions2
  • Photo Calculator Pro Weekly$3.997 Days
  • Photo Calculator Pro Yearly3 Days trial$14.991 Year

Questions

Is jCalc free?
jCalc is free to download, with no in-app purchases.
Is Photo Math Calculator free?
Photo Math Calculator is free to download, with in-app purchases available.
Do jCalc or Photo Math Calculator have ads?
Photo Math Calculator shows ads; jCalc does not.
Which is updated more often, jCalc or Photo Math Calculator?
jCalc ships an update every 7 months, and Photo Math Calculator every 13 months. Most recently, jCalc was updated on October 21, 2026 and Photo Math Calculator on October 13, 2026.

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