malc vs PrimeCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
malc
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malc is an ease-of-use calculator app with a memory function [CALCULATION] - Calculates Remainders : It's helpful for picking tasks in Pharmacies, Logistics warehouse, and for Knitting calculations. - Percentage calculation : It’s used to calculate discounts, taxes, etc. - Supports standard arithmetic operations and adheres to the order of operations and parentheses. [Memory & Editing Functions] - Calculation history : It records the history of expressions and answers. Allows to reuse them with a single tap. Long-press on a history item to reuse or reenter an intermediate number. Quickly reuse all elements of a formula except for a single value, minimizing re-entry. - Equation editing : Equipped with cursor and delete keys for easy correction of input errors. [Others] — Supports a wide range of color options and allows for customization. — Enables customizable key layouts, including calculator and phone styles, and the ability to rearrange keys left and right. — Offers the option to turn key sound effects on or off. — Allows you to choose whether or not to use the calculation result in the next equation. — Multi regions (US, UK, DE, FR, CN, IN…) : multiple number formatting (comma, period and space), digit grouping size, decimal separator, division symbol Ex: Indic notation "15,00,000" is supported. — Enables efficient input of large numbers by allowing digit grouping characters (e.g., inputting “1,200,000” as “1,2,” ) : It helps to prevent entering the wrong digits, when you calculate an estimate of a large number. (e.g., “1,221,390*0.33% ≒ 1,2, * 0.33% = 3,960”)
PrimeCalc
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--- PrimeCalc feature --- ■ Normal arithmetic operation (×, /, +, -) is available. ■ prime: integer calculation (Division remainder ÷, prime factorization p) can be done. (You can also exponentiate.) ■ auto: Automatic calculation, memory storage, history recording is possible. ■ global: Digit display of countries around the world is possible. (千、万、億、兆、京、垓、・・・) ■ iPhone / iPad is available. Free. We are displaying advertisements. Caution) In case of large number, calculation error etc. may occur. Please use it together with other calculator. If you have comments, questions, etc., please email or bulletin board. http: //www.eonet.ne.jp/~treechart/
Screenshots
Verdict
The clearest difference is price: PrimeCalc at Free against malc's $1.99. PrimeCalc also leads on update cadence (every 5 weeks vs every 5 months) and iOS requirement (12.0 vs 17.0). malc's advantage is ads (none vs shown). On in-app purchases 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
PrimeCalc is free to download; malc costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
malc ships an update every 5 months, PrimeCalc every 5 weeks. The most recent releases landed on September 14, 2026 and September 10, 2026 respectively.
| Parameter | malc | PrimeCalc |
|---|---|---|
| Price | $1.99 | Free — better |
| Update frequency | Every 5 months | Every 5 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | crenieq | Yutaka Nakao |
In-app purchases
malc
No in-app purchases
PrimeCalc
No in-app purchases









