Calc+α vs Modulo Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calc+α
This utility app simplifies daily calculations with an intuitive interface. It features a history of your calculations, allows for easy editing and recalculation, and provides convenient tax and division functions. Organize your finances and avoid manual note-taking.
- Calculation history and review
- Edit past calculations and recalculate
- Tax-inclusive and exclusive calculation modes
- Standard and reduced tax rate switching
- Clear division and remainder display
- Create and copy calculation sheets
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Calc+α is an app designed to make daily calculations easier and more efficient. Each feature is intuitive, enabling anyone to use it effortlessly. Whenever there's a need for calculations, Calc+α will be your reliable partner. **Calculation Sheet with History** Calculator+α saves your past calculations in a list, allowing you to review them anytime. It displays subtotals for each calculation, making verification simple. For different purposes like travel or shopping, you can create and copy various sheets to organize your calculations. No need to note down the calculation results on paper anymore. **Mistake Correction Feature** No worries about mistakes. You can edit past calculations and recalculate. By changing numbers, adding or removing rows, you can proceed with your calculations accurately. **Tax Rate Calculation** Switch between tax-inclusive and tax-exclusive calculations with just one button. Furthermore, effortlessly switch between standard and reduced tax rates, smoothing out calculations for products with different tax rates. **Division and Remainder Calculation** With a clear remainder display, you can instantly grasp intermediate results in calculations. By setting the truncation position, you can adjust the display of remainders to your liking. No more headaches with remainders in division.
Modulo Calculator
This app calculates quotients and remainders, useful for dispensing, inventory, and crafting. It displays input numbers alongside results for accuracy and features a set memory to store calculation history.
- Quotient and remainder calculation
- Input and result visibility for accuracy
- Set memory for calculation history
- Independent memory function
- Easy input number modification
- Recall calculation history
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Modulo Calculator has a remainder calculation function that is convenient for dispensing work in pharmacies, shipping work in distribution warehouses and calculation of the number of patterns and the number of remaining stitches in knitting, etc. Two input numbers and the result after calculation are shown so that the user can check input numbers with the result, therefore, the accuracy of calculation is greatly improved. It has the set memory in addition to the general independent memory. The set memory automatically memorizes calculation history of all sets of calculated input numbers, an arithmetic operator and a result number. (Instructions) - When performing division by pressing [MOD] instead of [÷] to calculate, the quotient and remainder will be displayed. The remainder is calculated so that it is greater than or equal to 0. - For example, when calculating the quotient and remainder of 30 ÷ 7, if you operate [3] [0] [MOD] [7] [=], the calculation result "4-2”, which means the quotient is 4 and the remainder is 2, will be displayed on the result display. - For example in a dispensing work, a calculation when counting 3 tablets a day and 90 days with 14 tablets per sheet is [3] [×] [9] [0] [MOD] [1] [4] [=], the result “19-4”, which means 19 sheets and 4 tablets, is displayed. And ”270"(tablets) from 3×90 keeps displayed at 1st display and “14"(tablets per sheet) keeps displayed at 2nd display. So input numbers and the result can be checked at a glance. - If the result of calculation with the [MOD] key is used for the next calculation, the value of the quotient will be used. - It is easy to calculate by changing one input number after a calculation. For example after a remainder calculation, in the case you would like to change the tablet number per sheet of 2nd input number, tap the 2nd input number and input a new number and tap the result display(or tap [=]) to finish the calculation. - To recall calculation history, tap [< Prev] key until you find the history you want. After you tapped [< Prev] key, if you want to recall a newer history, tap [Next >] key until you find it. - To clear the calculator completely including calculation history, close Modulo Calculator. - To clear the calculator except for the set memory and the independent memory on MR-line, tap [C] key and then tap [AC] key appeared, that is, double tap [C] key. - To clear the independent memory on MR-line, tap MR key and then tap MC key appeared, or swipe on MR-line. - To completely clear the number you have just input on 1st-line or 2nd-line, tap C key. - To erase a right end number at 1st-line or 2nd-line framed in the input mode, swipe on the line. - When using the [M+] key or [M-] key to calculate the remainder, only the quotient will be used for the memory calculation. (Others) - The calculation range is −999,999,999,999 ~ 999,999,999,999. - The maximum number of digits is 12. - The developer assumes no responsibility for any loss or claims by third parties which may arise from the use of this app. Modulo Calculator Ⓒ 2020 Takao Ichimura
Screenshots
Verdict
The clearest difference is device support: Modulo Calculator at 3 against Calc+α's 1. On price, review sentiment, update cadence and ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Calc+α ships an update every 3 weeks, Modulo Calculator monthly. The most recent releases landed on September 28, 2026 and September 30, 2026 respectively.
| Parameter | Calc+α | Modulo Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Ariane Inc. | Takao Ichimura |
Customer experience
Calc+α
Modulo Calculator
In-app purchases
Calc+α
No in-app purchases
Modulo Calculator
No in-app purchases
Questions
Is Calc+α free?
Is Modulo Calculator free?
Do Calc+α or Modulo Calculator have ads?
Which is updated more often, Calc+α or Modulo Calculator?
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