# KEB Elevator vs Light Meter LM

The clearest difference is in-app purchases: KEB Elevator at none against Light Meter LM's 3. Light Meter LM's advantage is update cadence (monthly vs every 12 months). On price, ads, device support and iOS requirement there is nothing between them.

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

KEB Elevator ships an update every 12 months, Light Meter LM monthly. The most recent releases landed on September 15, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | KEB Elevator | 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 | — | 40.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 229 MB | 22 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [KEB America, Inc.](https://appshunter.io/developer/1479590943) | [Lightray Innovation GmbH](https://appshunter.io/developer/1031383431) |

## What reviewers say

### KEB Elevator

[App page](https://appshunter.io/ios/app/keb-elevator/id1479590944)

**Features:** macOS Compatibility

**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 KEB Elevator free?

KEB Elevator 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 KEB Elevator or Light Meter LM have ads?

Neither KEB Elevator nor Light Meter LM shows ads.

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

KEB Elevator ships an update every 12 months, and Light Meter LM monthly. Most recently, KEB Elevator was updated on September 15, 2026 and Light Meter LM on October 2, 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.*