AddCalc PRO vs noteSUM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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 [%] [=]
noteSUM
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noteSUM is an application that automatically calculates the sum of numerical values entered in a text. You can manage bank balances, total weight, total number of points, etc. by entering them all as single text without having to separate the numerical values from the note. Examples of use: - Credit card usage records - Household account book - Estimates - Salary calculation - Shopping - Pocketbook - Budget - Inventory management - Stock prices, etc. It also numbers extracted from notes are listed, and you can choose to include or exclude them from the total for each number. Other functions: - Record history of notes - Register favorite notes - Text sharing - Setting not to include the date number in the totalizer
Screenshots
Verdict
The clearest difference is price: noteSUM at Free against AddCalc PRO's $0.99. AddCalc PRO's advantage is in-app purchases (none vs 3) and ads (none vs shown). On 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
noteSUM is free to download; AddCalc PRO costs $0.99 up front. noteSUM sells 3 one-off in-app purchases. AddCalc PRO asks for nothing beyond the download.
AddCalc PRO ships an update every 6 weeks, noteSUM monthly. The most recent releases landed on September 14, 2026 and September 24, 2026 respectively.
| Parameter | AddCalc PRO | noteSUM |
|---|---|---|
| Price | $0.99 | Free — better |
| Positive reviews | 85.7% of reviews | — |
| Update frequency | Every 6 weeks | Monthly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Shinichi Aokawa | Kazuhiro Sawamura |
In-app purchases
AddCalc PRO
No in-app purchases
noteSUM
- Number of History records$0.99
- Number of Favorites$0.99
- Hide Ads$2.99









