# 随手电筒 vs calculator HD⁻

The clearest difference is review sentiment: 随手电筒 at 97% against calculator HD⁻'s 61%. 随手电筒 also leads on in-app purchases (none vs 6) and ads (none vs shown). calculator HD⁻'s advantage is ratings volume (2.5K vs 20). On price, update cadence 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. 随手电筒 asks for nothing beyond the download.

随手电筒 holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: calculator HD⁻ has 2.5K ratings behind it against 20, so its average is the more settled of the two. Written reviews point the same way: 97% of 随手电筒's written reviews are positive against 61% of calculator HD⁻'s.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 随手电筒 | calculator HD⁻ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (20 ratings)](https://appshunter.io/ios/app/id688138596/reviews)** | [4.5 (2.5K ratings)](https://appshunter.io/ios/app/calculator-hd/id1485888099/reviews) |
| Number of ratings | 20 | **2.5K** |
| Positive reviews | **97.2% of reviews** | 61.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 44 MB | 98 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhiqidong Internet Co.,Ltd](https://appshunter.io/developer/726696009) | [Beijing four time ledo Technology Co., Ltd.](https://appshunter.io/developer/1485888098) |

## What reviewers say

### 随手电筒

[App page](https://appshunter.io/ios/app/id688138596)

This utility app provides a bright flashlight using your device's LED or screen. It also includes a versatile toolbox with features like a level, decibel meter, compass, ruler, and various lighting modes for different situations.

**Highlights:** Bright LED and screen flashlight, Level tool, Decibel meter, Compass, Ruler, Multiple lighting modes

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 随手电筒 free?

随手电筒 is free to download, with no in-app purchases.

### Is calculator HD⁻ free?

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

### Which has better reviews, 随手电筒 or calculator HD⁻?

随手电筒 is rated higher. 随手电筒 averages 4.8 out of 5 from 20 ratings, while calculator HD⁻ averages 4.5 from 2.5K ratings.

### Do 随手电筒 or calculator HD⁻ have ads?

calculator HD⁻ shows ads; 随手电筒 does not.

### Which is updated more often, 随手电筒 or calculator HD⁻?

随手电筒 ships an update every 3 months, and calculator HD⁻ every 3 months. Most recently, 随手电筒 was updated on October 21, 2026 and calculator HD⁻ on October 25, 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.*