# ReeApp vs Light Meter LM

The clearest difference is in-app purchases: ReeApp at none against Light Meter LM's 3. ReeApp also leads on iOS requirement (13.0 vs 15.0). Light Meter LM's advantage is device support (3 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. Light Meter LM sells 3 in-app purchases, starting at $3.49 per month. ReeApp asks for nothing beyond the download.

ReeApp ships an update every 5 weeks, Light Meter LM monthly. The most recent releases landed on October 4, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | ReeApp | Light Meter LM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2.6K ratings)](https://appshunter.io/ios/app/light-meter-lm-3000/id1554264761/reviews)** |
| Number of ratings | — | **2.6K** |
| Positive reviews | — | 40.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 23 MB | 22 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Reepack S.r.l.](https://appshunter.io/developer/1503305808) | [Lightray Innovation GmbH](https://appshunter.io/developer/1031383431) |

## What reviewers say

### ReeApp

[App page](https://appshunter.io/ios/app/reeapp/id1503305809)

**In-app purchases:** none


### Light Meter LM

[App page](https://appshunter.io/ios/app/light-meter-lm-3000/id1554264761)

Transform your smartphone into a professional light meter. Measure illuminance and color temperature with scientifically validated accuracy, trusted by professionals. Requires a simple diffuser for precise readings.

**Highlights:** Measure illuminance (lux/foot-candle), Measure color temperature (Kelvin), Industry-leading accuracy, Pre-calibrated for your device, Low light sensitivity, Save peak reading, Custom calibration option

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Continuous Charging | $3.49 | per month |
| Single Charge | $0.99 | one-time |
| Unlimited Battery | $19.99 | one-time |

**What reviewers like**

- 👍 Great app
- 👍 Accurate measurements
- 👍 Easy to use
- 👍 Helpful customer service
- 👍 Useful for science/research

**What reviewers complain about**

- 🐛 Requires diffuser for accurate readings
- 💰 Expensive for a light meter app
- 🔋 Battery/trial period issues
- 🔍 Inconsistent/inaccurate readings
- 🙄 Misleading/deceptive marketing

**Reported bugs**

- Diffuser not recognized even when used
- App locks up/crashes
- Constant diffuser pop-up interruptions

**Requested features**

- Ability to use rear camera
- More flexible diffuser options
- Improved accuracy without diffuser


## Frequently asked questions

### Is ReeApp free?

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

### Is Light Meter LM free?

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

### Do ReeApp or Light Meter LM have ads?

Neither ReeApp nor Light Meter LM shows ads.

### Which is updated more often, ReeApp or Light Meter LM?

ReeApp ships an update every 5 weeks, and Light Meter LM monthly. Most recently, ReeApp was updated on October 4, 2026 and Light Meter LM on October 20, 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.*