# calculator HD⁻ vs 图片合成器

The clearest difference is ads: 图片合成器 at none against calculator HD⁻'s shown. 图片合成器 also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (12.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. calculator HD⁻ sells 6 in-app purchases, starting at $2.99 per 3 months and 图片合成器 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

calculator HD⁻ ships an update every 3 months, 图片合成器 every 3 weeks. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | calculator HD⁻ | 图片合成器 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2.5K ratings)](https://appshunter.io/ios/app/calculator-hd/id1485888099/reviews)** | — |
| Number of ratings | **2.5K** | — |
| Positive reviews | 61.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 98 MB | 12 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beijing four time ledo Technology Co., Ltd.](https://appshunter.io/developer/1485888098) | [堪川 黄](https://appshunter.io/developer/1613862574) |

## What reviewers say

### calculator HD⁻

[App page](https://appshunter.io/ios/app/calculator-hd/id1485888099)

A powerful and intuitive calculator app designed for simplicity and beauty. It offers a complete record of operations that can be reviewed and edited, along with scientific functions and multiple themes. Enjoy enhanced functionality with an optional subscription.

**Highlights:** Records operation process, Check and edit operations, Elegant and intuitive interface, Displays equation and result simultaneously, Supports scientific functions, Multiple themes

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| auto season vip | $2.99 | per 3 months |
| 连续年会员 | $3.99 | per year |
| 深色主题 | $0.99 | one-time |
| 周会员 | $0.99 | one-time |
| 高级会员 | $14.99 | one-time |
| 超级会员 | $14.99 | one-time |

**What reviewers like**

- 👍 Good calculator
- 🚀 Efficient calculations

**What reviewers complain about**

- 💰 Paid features
- 🔒 Locked to one device
- 🐛 Calculation errors
- 🙅‍♀️ Lack of functionality

**Reported bugs**

- Incorrect calculation results
- Compatibility issues with new devices

**Requested features**

- More customization options
- Improved user interface
- Free version without ads


### 图片合成器

[App page](https://appshunter.io/ios/app/and/id1633581175)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 永久会员 | $19.99 | one-time |


## Frequently asked questions

### Is calculator HD⁻ free?

calculator HD⁻ is free to download, with in-app purchases available.

### Is 图片合成器 free?

图片合成器 is free to download, with in-app purchases available.

### Do calculator HD⁻ or 图片合成器 have ads?

calculator HD⁻ shows ads; 图片合成器 does not.

### Which is updated more often, calculator HD⁻ or 图片合成器?

calculator HD⁻ ships an update every 3 months, and 图片合成器 every 3 weeks. Most recently, calculator HD⁻ was updated on October 24, 2026 and 图片合成器 on October 10, 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.*