# Light Meter Ultra vs AI相机助手

The clearest difference is in-app purchases: AI相机助手 at none against Light Meter Ultra's 6. AI相机助手 also leads on update cadence (every 2 days vs every 8 days) and iOS requirement (15.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. Light Meter Ultra sells 3 in-app purchases, starting at $7.99 per 7 days. AI相机助手 asks for nothing beyond the download.

Light Meter Ultra ships an update every 8 days, AI相机助手 every 2 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Light Meter Ultra | AI相机助手 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (738 ratings)](https://appshunter.io/ios/app/light-meter-ultra/id1558108173/reviews)** | — |
| Number of ratings | **738** | — |
| Positive reviews | 37.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 81 MB | 3 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ultrafine](https://appshunter.io/developer/1558108175) | [Beijing XingheBit Science & Technology Development Co., Ltd.](https://appshunter.io/developer/1882505330) |

## What reviewers say

### Light Meter Ultra

[App page](https://appshunter.io/ios/app/light-meter-ultra/id1558108173)

This app provides precise light metering for film photography, eliminating the need for external hardware. It offers various metering modes and customizable profiles to ensure perfect exposures for manual cameras. Advanced features like reciprocity failure correction are available with a PRO plan.

**Highlights:** Aperture Priority Metering, Shutter Priority Metering, Exposure Priority Metering, Customizable ISO, Shutter Speed, Aperture, Exposure Compensation, Reciprocity Failure Correction, Custom Camera Profiles

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Light Meter | $7.99 | per 7 days |
| Light Meter | $11.99 | per month |
| Light Meter | $39.99 | per year |

**What reviewers like**

- 🚀 Accurate and fast metering
- 👍 Clean and intuitive interface
- 💡 Customizable settings (aperture, shutter, ISO)
- 🔍 Useful for analog/film photography

**What reviewers complain about**

- 💰 Expensive subscription model
- 🔒 Locked features behind paywall
- 🐛 Unreliable performance in low-light conditions
- 📱 Requires internet connection for full functionality

**Reported bugs**

- Camera integration issues causing failed exposures
- Inconsistent metering results compared to standalone meters

**Requested features**

- Offline mode for remote shooting
- Wider aperture and shutter speed range
- Support for more camera/film types
- Customizable exposure bias/compensation


### AI相机助手

[App page](https://appshunter.io/ios/app/ai/id6763607137)

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

**In-app purchases:** none


## Frequently asked questions

### Is Light Meter Ultra free?

Light Meter Ultra is free to download, with in-app purchases available.

### Is AI相机助手 free?

AI相机助手 is free to download, with no in-app purchases.

### Do Light Meter Ultra or AI相机助手 have ads?

Neither Light Meter Ultra nor AI相机助手 shows ads.

### Which is updated more often, Light Meter Ultra or AI相机助手?

Light Meter Ultra ships an update every 8 days, and AI相机助手 every 2 days. Most recently, Light Meter Ultra was updated on October 30, 2026 and AI相机助手 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.*