# Programmer Calculator vs 宝技云视

The clearest difference is rating: Programmer Calculator at 4.6 against 宝技云视's 4.0. Programmer Calculator also leads on review sentiment (42% vs 0%) and ads (none vs shown). 宝技云视's advantage is in-app purchases (none vs 3) and iOS requirement (12.0 vs 14.0). On price and device support there is nothing between them.

Both are free to download. Programmer Calculator sells 3 one-off in-app purchases. 宝技云视 asks for nothing beyond the download.

Programmer Calculator holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: Programmer Calculator has 32 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 42% of Programmer Calculator's written reviews are positive against 0% of 宝技云视's.

Programmer Calculator ships an update fortnightly, 宝技云视 every 5 weeks. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Programmer Calculator | 宝技云视 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (32 ratings)](https://appshunter.io/ios/app/programmer-calculator-dev/id1624892520/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/id6472976908/reviews) |
| Number of ratings | **32** | 1 |
| Positive reviews | **42.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 306 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [永超 侯](https://appshunter.io/developer/906391544) | [娟 李](https://appshunter.io/developer/1566978737) |

## 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 |


### 宝技云视

[App page](https://appshunter.io/ios/app/id6472976908)

**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 宝技云视 free?

宝技云视 is free to download, with no in-app purchases.

### Which has better reviews, Programmer Calculator or 宝技云视?

Programmer Calculator is rated higher. Programmer Calculator averages 4.6 out of 5 from 32 ratings, while 宝技云视 averages 4.0 from 1 ratings.

### Do Programmer Calculator or 宝技云视 have ads?

宝技云视 shows ads; Programmer Calculator does not.

### Which is updated more often, Programmer Calculator or 宝技云视?

Programmer Calculator ships an update fortnightly, and 宝技云视 every 5 weeks. Most recently, Programmer Calculator was updated on October 11, 2026 and 宝技云视 on October 14, 2026.

---

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