# RangeController vs Luminometer

The clearest difference is in-app purchases: RangeController at none against Luminometer's 2. RangeController also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Luminometer sells 2 in-app purchases, starting at $2.99 per 7 days. RangeController asks for nothing beyond the download.

RangeController ships an update every 2 weeks, Luminometer every 2 months. The most recent releases landed on October 4, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | RangeController | Luminometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (13 ratings)](https://appshunter.io/ios/app/luminometer-lux-light-meter/id6446325225/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 18 MB | 14 MB |
| Requires iOS | **10.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [奎军 龚](https://appshunter.io/developer/1151249530) | [27GROUP](https://appshunter.io/developer/1589401961) |

## What reviewers say

### RangeController

[App page](https://appshunter.io/ios/app/rangecontroller/id1434644666)

**Features:** macOS Compatibility

**In-app purchases:** none


### Luminometer

[App page](https://appshunter.io/ios/app/luminometer-lux-light-meter/id6446325225)

Transform your device into a professional light meter to measure luminosity in lux and foot-candles. Achieve optimal illumination for any space, from greenhouses to workspaces, ensuring comfort and preventing glare. Calibrated with reference equipment for precise and reliable readings.

**Highlights:** Measures lux and foot-candle units, Internal Exposure Compensation for accuracy, Camera view for measured area, Calibrated with reference equipment, Versatile for various lighting conditions, Helps set optimal illumination levels

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is RangeController free?

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

### Is Luminometer free?

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

### Do RangeController or Luminometer have ads?

Luminometer shows ads; RangeController does not.

### Which is updated more often, RangeController or Luminometer?

RangeController ships an update every 2 weeks, and Luminometer every 2 months. Most recently, RangeController was updated on October 4, 2026 and Luminometer on September 27, 2026.

---

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