# JJPRO vs Light Meter

The clearest difference is update cadence: JJPRO at every 4 days against Light Meter's every 2 months. JJPRO also leads on device support (3 vs 1) and iOS requirement (8.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

JJPRO ships an update every 4 days, Light Meter every 2 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | JJPRO | Light Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/light-meter-tsingland/id6479873859/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | — | Free |
| Size | 28 MB | 1 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Logic Electronics Technology Co.,Ltd](https://appshunter.io/developer/521003128) | [景天 吕](https://appshunter.io/developer/1724677108) |

## What reviewers say

### JJPRO

[App page](https://appshunter.io/ios/app/jjpro/id1280791180)

**Features:** macOS Compatibility

**In-app purchases:** none


### Light Meter

[App page](https://appshunter.io/ios/app/light-meter-tsingland/id6479873859)

This neumorphism-style light meter offers aperture priority, shutter priority, and manual modes. It allows users to adjust shutter speed, aperture, and ISO sensitivity for precise photography.

**Highlights:** Aperture Priority Mode (A), Shutter Priority Mode (S), Manual Mode, Adjustable Shutter Speed, Adjustable Aperture, Adjustable ISO Sensitivity

**In-app purchases:** none


## Frequently asked questions

### Is JJPRO free?

JJPRO is free to download, with no in-app purchases.

### Is Light Meter free?

Light Meter is free to download, with no in-app purchases.

### Do JJPRO or Light Meter have ads?

Neither JJPRO nor Light Meter shows ads.

### Which is updated more often, JJPRO or Light Meter?

JJPRO ships an update every 4 days, and Light Meter every 2 months. Most recently, JJPRO was updated on October 29, 2026 and Light Meter on October 30, 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.*