# PROG_CALC vs 计算器Pro

The clearest difference is price: PROG_CALC at Free against 计算器Pro's $2.99. PROG_CALC also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 39 months). On in-app purchases there is nothing between them.

PROG_CALC is free to download; 计算器Pro costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PROG_CALC ships an update every 2 weeks, 计算器Pro every 39 months. The most recent releases landed on September 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | PROG_CALC | 计算器Pro |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/prog-calc/id1640426491/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 39 months |
| Monetization | Free | — |
| Size | 78 MB | 29 MB |
| Requires iOS | **13** | 16.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [嘉欣 胡](https://appshunter.io/developer/1640395440) | [doudoubird](https://appshunter.io/developer/1383154758) |

## 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


### 计算器Pro

[App page](https://appshunter.io/ios/app/pro/id6450943764)

**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 计算器Pro free?

计算器Pro costs $2.99, with no in-app purchases.

### Do PROG_CALC or 计算器Pro have ads?

计算器Pro shows ads; PROG_CALC does not.

### Which is updated more often, PROG_CALC or 计算器Pro?

PROG_CALC ships an update every 2 weeks, and 计算器Pro every 39 months. Most recently, PROG_CALC was updated on September 17, 2026 and 计算器Pro on October 15, 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.*