PROG_CALC vs ChipSense CNC
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.
ChipSense CNC
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ChipSense turns your iPhone into a real-time cutting coach for your CNC router or mill. It does something no other app does: it fuses AUDIO and VISION. ChipSense listens to the cut through the microphone to detect the acoustic signature of regenerative chatter and rising tool load, and at the same time reads the wood grain through the camera to spot knots and hard, figured areas before your bit reaches them. It combines both into a single, live Cut Risk — and tells you exactly when to ease the feed, and when to stop. WHY IT MATTERS • Chatter and overload are how bits dull, snap, and ruin a workpiece. They almost always announce themselves in the sound of the cut — a few seconds before the damage. • Hard grain and knots are visible before you hit them. ChipSense sees them coming. • Catch either early and you save bits, save stock, and get a cleaner finish. WHAT YOU GET • Live cut-state read-out: Idle, Nominal, Heavy load, Chatter, Critical. • Chatter detection tuned to reject spindle-synchronous tones (it knows the difference between the normal cut and self-excited chatter). • Camera grain map that highlights knots and hard grain as a live heatmap. • A fused Cut Risk that combines what it hears and what it sees. • A clear feed advisory — ease off, hold, or all clear — with a suggested feed-rate override. • Built-in demo scenarios so you can see exactly how it responds to a knot, chatter, or a clean cut, with no machine and no setup. HOW TO USE IT Prop your iPhone near the cutting zone with a view of the workpiece, start monitoring, and cut. ChipSense advises in real time. It is a monitoring and advisory tool — it does not control your machine directly. Patent pending. Built by machinists, for machinists.
Screenshots
Verdict
The clearest difference is device support: PROG_CALC at 4 against ChipSense CNC's 1. PROG_CALC also leads on iOS requirement (13 vs 17.0). On price, ads and in-app purchases 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.
| Parameter | PROG_CALC | ChipSense CNC |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone |
| Requires iOS | 13 — better | 17.0 |
| Further details — not scored | ||
| Size | 78 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | 嘉欣 胡 | The Giving Stump, llc |
In-app purchases
PROG_CALC
No in-app purchases
ChipSense CNC
No in-app purchases









