Comparison

AddCalc PRO vs Formalize

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

Head to head
About

AddCalc PRO

This calculator app offers both standard and adder calculation modes, with customizable themes, sounds, and editing features. It allows for easy copying of logs and totals, and supports various calculation functions for accounting and everyday use.

Highlights
  • Dual calculator modes (adder and standard)
  • Customizable button design, background, and brightness
  • Selectable sound effects
  • Input log editing and recalculation
  • Voice reading of input log
  • Copy log and total functionality
  • Decimal point and rounding switching
Features
Read full description

Do you know the calculator of optimal adder method for an accounting calculation? (with the calculation method change function) Try it on iPhone and iPad you always carry around. 【Feature】 - This can switch an "adder calculator" and "ordinary calculator" - The design of a button can be chosen - The regulating function of a background color and brightness - Select your favorite sound from sound effects - Input log editing + recalculation function - Voice reading of the input log - Copy the log and total (paste to memo etc) - Display switching function digit after the decimal point (FULL · 0 ~ 6 digits) - The (up-truncation Ri rounded-off) Rounding switching function - 14 Number of significant digits - Always display "GT:Grand Total" - Always display "MR:Memory" - BS:BackSpace function 【How to use an adder calculator】 ”(10×10)+(5×5)-(6×5)=95” 10 [×] 10 [+=] 5 [×] 5 [+=] 6 [×] 5 [-] [GT] (10×10)Add(5×5)Add(6×5)Pull % Calculation example : 500 + (500 × 12%) = 560 500 [+=] 12 [%] [+=] 【How to use an ordinary calculator】 ”(10×10)+(5×5)-(6×5)=95” 10 [×] 10 [=][M+] 5 [×] 5 [=][M+] 6 [×] 5 [=] [M-][MR] Added to the Grand Total by "=" The continuous input will be "10×10+5×5-6×5=2595" % Calculation example : 500 + (500 × 12%) = 560 500 [+] 12 [%] [=]

About

Formalize

Type mathematical equations and symbols directly on your iPhone or iPad. This keyboard extension offers intuitive one-handed access to over 100 symbols, producing professionally typeset formulas. Easily export your creations as PNG or TeX to use in any app.

Highlights
  • Mathematical keyboard extension
  • Over 100 symbols
  • One-handed operation
  • Professionally typeset formulas
  • PNG export
  • TeX export
Features
Read full description

Do you wish you could properly type math on your iPhone or iPad? With Formalize, you can! Formalize is a keyboard extension for mathematical content. It provides intuitive one-handed access to more than 100 symbols and produces professionally typeset formulas. Easily convert your formulas to PNG or TeX and insert them anywhere, in any app!

Screenshots

AddCalc PRO4 screens
Formalize4 screens

Verdict

The call

The clearest difference is review sentiment: AddCalc PRO at 86% against Formalize's 25%. AddCalc PRO also leads on update cadence (every 6 weeks vs every 9 months) and price ($0.99 vs $1.99). Formalize's advantage is iOS requirement (12.0 vs 15.6). On ads, in-app purchases, monetization model 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

AddCalc PRO costs $0.99 and Formalize $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

AddCalc PRO ships an update every 6 weeks, Formalize every 9 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
AddCalc PRO versus Formalize: the parameters behind the verdict, then further details
ParameterAddCalc PROFormalize
Price$0.99 — better$1.99
Rating—2.6 (10 ratings) — better
Positive reviews85.7% of reviews — better25.0% of reviews
Number of ratings—10 — better
Update frequencyEvery 6 weeks — betterEvery 9 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size4 MB51 MB
Age rating4+4+
DeveloperShinichi AokawaBen Hambrecht

Customer experience

AddCalc PRO

Written reviews14 reviews
Positive85.7%
Neutral7.1%
Negative7.1%

Formalize

All ratings10 ratings
Positive40.0%
Neutral20.0%
Negative40.0%
Written reviews12 reviews
Positive25.0%
Neutral25.0%
Negative50.0%

In-app purchases

None

AddCalc PRO

No in-app purchases

None

Formalize

No in-app purchases

Questions

Is AddCalc PRO free?
AddCalc PRO costs $0.99, with no in-app purchases.
Is Formalize free?
Formalize costs $1.99, with no in-app purchases.
Do AddCalc PRO or Formalize have ads?
Neither AddCalc PRO nor Formalize shows ads.
Which is updated more often, AddCalc PRO or Formalize?
AddCalc PRO ships an update every 6 weeks, and Formalize every 9 months. Most recently, AddCalc PRO was updated on October 26, 2026 and Formalize on October 24, 2026.

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