# LidarFlash vs 光尺

The clearest difference is update cadence: 光尺 at every 8 days against LidarFlash's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. LidarFlash sells 5 in-app purchases, starting at $1.99 per month and 光尺 sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

LidarFlash ships an update every 2 months, 光尺 every 8 days. The most recent releases landed on September 8, 2026 and June 8, 2026 respectively.

## The numbers

| Metric | LidarFlash | 光尺 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6758870725/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 15 MB | 4 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [相锋 刘](https://appshunter.io/developer/1787241751) | [浩宇 李](https://appshunter.io/developer/1875349921) |

## What reviewers say

### LidarFlash

[App page](https://appshunter.io/ios/app/lidarflash/id6757519825)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Auto-renew Monthly | $1.99 | per month |
| Auto-renew Quarterly | $4.99 | per 3 months |
| Auto-renew Annual | $14.99 | per year |
| 1-Month Pro Subscription | $2.99 | one-time |
| Lifetime Premium Membership | $19.99 | one-time |


### 光尺

[App page](https://appshunter.io/ios/app/id6758870725)

This app combines a professional light meter with a precise laser rangefinder for film photographers. It addresses challenges with rangefinder and zone focus cameras in low light and fast-paced shooting, ensuring accurate exposures and sharp focus.

**Highlights:** Low-light metering engine, LiDAR laser precise focusing, Intelligent reciprocity failure compensation, Rangefinder and zone focus assistance, Accurate exposure for night scenes, Modern focusing for old cameras

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 暗光测光永久使用 | $2.99 | one-time |
| 测距永久会员 | $2.99 | one-time |


## Frequently asked questions

### Is LidarFlash free?

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

### Is 光尺 free?

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

### Do LidarFlash or 光尺 have ads?

Neither LidarFlash nor 光尺 shows ads.

### Which is updated more often, LidarFlash or 光尺?

LidarFlash ships an update every 2 months, and 光尺 every 8 days. Most recently, LidarFlash was updated on September 8, 2026 and 光尺 on June 8, 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.*