# Programmer Calculator vs 维云智造Pro

The clearest difference is in-app purchases: 维云智造Pro at none against Programmer Calculator's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Programmer Calculator sells 3 one-off in-app purchases. 维云智造Pro asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 23, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Programmer Calculator | 维云智造Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (32 ratings)](https://appshunter.io/ios/app/programmer-calculator-dev/id1624892520/reviews)** | — |
| Number of ratings | **32** | — |
| Positive reviews | 42.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 5 MB | 69 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [永超 侯](https://appshunter.io/developer/906391544) | [南京维拓科技股份有限公司](https://appshunter.io/developer/1603580987) |

## What reviewers say

### Programmer Calculator

[App page](https://appshunter.io/ios/app/programmer-calculator-dev/id1624892520)

This tool assists developers with number base conversions and CRC calculations for strings and hex bytes. Additional features are planned for future updates.

**Highlights:** Number base conversion, CRC calculation, String to hex conversion, Hex byte CRC calculation, Developer support tool

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A coke | $0.99 | one-time |
| A cup of coffee | $2.99 | one-time |
| A big meal | $5.99 | one-time |


### 维云智造Pro

[App page](https://appshunter.io/ios/app/pro/id6745814534)

This app streamlines manufacturing processes for small and medium-sized factories using AI-powered Q&A and low-code development. It addresses challenges like employee onboarding and system adoption, enabling intelligent adaptation from order to delivery for a more intuitive and efficient operation.

**Highlights:** AI-powered intelligent Q&A, Low-code development engine, Simplified user interface, End-to-end intelligent adaptation, Employee onboarding assistance, Process flow optimization

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

**In-app purchases:** none


## Frequently asked questions

### Is Programmer Calculator free?

Programmer Calculator is free to download, with in-app purchases available.

### Is 维云智造Pro free?

维云智造Pro is free to download, with no in-app purchases.

### Do Programmer Calculator or 维云智造Pro have ads?

Neither Programmer Calculator nor 维云智造Pro shows ads.

### Which is updated more often, Programmer Calculator or 维云智造Pro?

Programmer Calculator ships an update fortnightly, and 维云智造Pro fortnightly. Most recently, Programmer Calculator was updated on September 23, 2026 and 维云智造Pro on September 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.*