# Lightme vs UMi Mount

The clearest difference is in-app purchases: UMi Mount at none against Lightme's 6. UMi Mount also leads on iOS requirement (12.0 vs 15.6). Lightme's advantage is update cadence (every 3 weeks vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Lightme sells 6 one-off in-app purchases. UMi Mount asks for nothing beyond the download.

Lightme ships an update every 3 weeks, UMi Mount every 4 months. The most recent releases landed on October 25, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Lightme | UMi Mount |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (942 ratings)](https://appshunter.io/ios/app/lightme-lightmeter/id1509033790/reviews)** | — |
| Number of ratings | **942** | — |
| Positive reviews | 90.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 46 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Giuseppe Bertolini](https://appshunter.io/developer/1509033789) | [昊刚 李](https://appshunter.io/developer/1687019696) |

## What reviewers say

### Lightme

[App page](https://appshunter.io/ios/app/lightme-lightmeter/id1509033790)

This powerful light meter app offers a clean, intuitive interface optimized for one-handed use. It displays multiple aperture and shutter speed combinations simultaneously, aiding quick setting selection. Suitable for beginners and experienced photographers alike, it includes advanced features like spot metering, reciprocity failure compensation, and pinhole mode.

**Highlights:** Multiple exposure settings display, One-handed operation, Spot metering with zoom, Reciprocity failure compensation, Pinhole mode, Incident light metering, Film database

**Features:** Family Sharing

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Espresso ristretto | $1.99 | one-time |
| Pecorino Romano | $4.99 | one-time |
| Guanciale | $9.99 | one-time |
| Parmigiano | $16.99 | one-time |
| Pizza for two | $29.99 | one-time |
| Do this full-time | $59.99 | one-time |

**What reviewers like**

- 🚀 Accurate metering
- 👍 Intuitive and clean interface
- 💡 Comprehensive features (spot metering, zone system, film stock selection, etc.)
- 🚀 Consistently accurate exposures
- 👍 Thoughtful design with user's needs in mind

**What reviewers complain about**

- 🐛 Occasional crashes or freezes
- 👎 Confusing or cluttered interface for some users
- 👎 Tedious film selection process
- 🐛 Inaccurate metering in certain lighting conditions

**Reported bugs**

- Crashes on iOS 16
- Metering issues with certain camera/lens combinations

**Requested features**

- Add shutter angle adjustment for cinematography
- Implement ISO lock feature
- Add more film stock profiles
- Improve film selection process (e.g. search, categories)
- Provide more customization options (e.g. interface themes)


### UMi Mount

[App page](https://appshunter.io/ios/app/umi-mount/id6503953666)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lightme free?

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

### Is UMi Mount free?

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

### Do Lightme or UMi Mount have ads?

Neither Lightme nor UMi Mount shows ads.

### Which is updated more often, Lightme or UMi Mount?

Lightme ships an update every 3 weeks, and UMi Mount every 4 months. Most recently, Lightme was updated on October 25, 2026 and UMi Mount on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*