interCalculator vs PROG_CALC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
interCalculator
This utility app offers real-time calculations with optional haptic feedback and a dark mode. It supports unit conversions, number base conversions, and finding divisors for integers.
- Real-time results
- Haptic feedback
- Number base conversion
- Divisor finder
- Dark Mode
- Customizable color scheme
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Real-time result. Optional haptic feedback. Roll a die. Switch between Degrees and Radians. Convert a number between dec, bin, oct and hex. Find all divisors of any less-than-9-digit integer. Improved Function Mode. Dark Mode support. Copy and paste. Customizable color scheme.
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.
Screenshots
Verdict
The clearest difference is update cadence: PROG_CALC at every 2 weeks against interCalculator's every 18 months. PROG_CALC also leads on iOS requirement (13 vs 15.6). On price, rating, ratings volume 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.
On the App Store both sit at effectively the same score — 5.0 for interCalculator against 5.0 for PROG_CALC. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
interCalculator ships an update every 18 months, PROG_CALC every 2 weeks. The most recent releases landed on June 5, 2026 and July 16, 2026 respectively.
| Parameter | interCalculator | PROG_CALC |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 18 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Mac | iPhone, iPad, iPod, Mac |
| Requires iOS | 15.6 | 13 — better |
| Further details — not scored | ||
| Size | 54 MB | 78 MB |
| Age rating | 4+ | 4+ |
| Developer | interfinity Limited | 嘉欣 胡 |
Customer experience
interCalculator
PROG_CALC
In-app purchases
interCalculator
No in-app purchases
PROG_CALC
No in-app purchases
