PROG_CALC vs CalcTabs
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PROG_CALC
This app offers a programmable calculator with two distinct modes for daily computing and advanced mathematical functions. It supports system conversions between binary, octal, decimal, and hexadecimal, and allows for variable storage and code sharing.
- Basic and advanced calculation modes
- Syntax parser
- Variable storage and editing
- Binary, octal, decimal, hexadecimal conversion
- Built-in code examples
- Code sharing via QR code or file
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The programming calculator provides two modes of operation. It has built-in basic operation functions, syntax parser, and supports a variety of application scenarios. 【Basic calculation】 Basic mode provides basic calculator functions for daily computing applications. 【Mathematical function】 Built-in rich mathematical functions, easy to implement basic calculations. 【Variable Storage】 Provides variable storage function, can store intermediate calculation results in basic mode, import and export with one key during application, and edit mode provides variable browsing function to easily grasp calculation results. 【System conversion】 Support binary, octal, decimal, hexadecimal conversion to meet the computing needs of different platforms. 【Code Example】 With built-in code writing examples, you can easily learn computing methods and expand application scenarios. 【Code Sharing】 The code can be shared through a QR code or a file, and the application also supports reading files directly, or scanning a QR code, which can be written on a computer and applied on a mobile phone.
CalcTabs
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CalcTabs is a free offline calculator that allows having multiple multifunctional tabs. A tab is a separate calculator, current calculator tab types are: - Simple Calculator - Custom Formula This app works offline and remembers any changes to any tab to your device.
Screenshots
Verdict
The clearest difference is ads: PROG_CALC at none against CalcTabs's shown. PROG_CALC also leads on update cadence (every 2 weeks vs every 37 months) and iOS requirement (13 vs 15.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
PROG_CALC ships an update every 2 weeks, CalcTabs every 37 months. Both last shipped on October 24, 2026.
| Parameter | PROG_CALC | CalcTabs |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 weeks — better | Every 37 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 13 — better | 15.0 |
| Further details — not scored | ||
| Size | 78 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | 嘉欣 胡 | Black Flame Digital LTD |
In-app purchases
PROG_CALC
No in-app purchases
CalcTabs
No in-app purchases
