# PROG_CALC vs CalcTabs

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.

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.

## The numbers

| Metric | PROG_CALC | CalcTabs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/prog-calc/id1640426491/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 37 months |
| Monetization | Free | — |
| Size | 78 MB | 30 MB |
| Requires iOS | **13** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [嘉欣 胡](https://appshunter.io/developer/1640395440) | [Black Flame Digital LTD](https://appshunter.io/developer/1574229330) |

## What reviewers say

### PROG_CALC

[App page](https://appshunter.io/ios/app/prog-calc/id1640426491)

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.

**Highlights:** 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

**In-app purchases:** none


### CalcTabs

[App page](https://appshunter.io/ios/app/calctabs/id6467405854)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PROG_CALC free?

PROG_CALC is free to download, with no in-app purchases.

### Is CalcTabs free?

CalcTabs is free to download, with no in-app purchases.

### Do PROG_CALC or CalcTabs have ads?

CalcTabs shows ads; PROG_CALC does not.

### Which is updated more often, PROG_CALC or CalcTabs?

PROG_CALC ships an update every 2 weeks, and CalcTabs every 37 months. Most recently, PROG_CALC was updated on October 24, 2026 and CalcTabs on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*