# Programmer Calculator vs 乐图生成器

The clearest difference is review sentiment: 乐图生成器 at 100% against Programmer Calculator's 42%. 乐图生成器 also leads on iOS requirement (12.0 vs 14.0). Programmer Calculator's advantage is ads (none vs shown) and update cadence (fortnightly vs every 2 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Programmer Calculator sells 3 one-off in-app purchases and 乐图生成器 sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Programmer Calculator ships an update fortnightly, 乐图生成器 every 2 months. The most recent releases landed on October 11, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Programmer Calculator | 乐图生成器 |
| --- | --- | --- |
| 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 | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 44 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) | [Hebei Letong Technology Co., Ltd](https://appshunter.io/developer/1630897796) |

## 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 |


### 乐图生成器

[App page](https://appshunter.io/ios/app/id1630897794)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 体验卡 | $1.99 | one-time |
| 月卡 | $3.99 | one-time |
| 季卡 | $7.99 | one-time |
| 半年卡 | $12.99 | one-time |
| 年卡 | $25.99 | one-time |
| 永久卡 | $64.99 | one-time |


## Frequently asked questions

### Is Programmer Calculator free?

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

### Is 乐图生成器 free?

乐图生成器 is free to download, with in-app purchases available.

### Do Programmer Calculator or 乐图生成器 have ads?

乐图生成器 shows ads; Programmer Calculator does not.

### Which is updated more often, Programmer Calculator or 乐图生成器?

Programmer Calculator ships an update fortnightly, and 乐图生成器 every 2 months. Most recently, Programmer Calculator was updated on October 11, 2026 and 乐图生成器 on September 29, 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.*