# LensFactor vs RF Control

The clearest difference is review sentiment: LensFactor at 89% against RF Control's 33%. LensFactor also leads on rating (5.0 vs 1.7) and price ($1.99 vs $5.99). RF Control's advantage is update cadence (every 3 months vs every 24 months) and ratings volume (6 vs 2). On ads, in-app purchases, monetization model and device support there is nothing between them.

LensFactor costs $1.99 and RF Control $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

LensFactor holds the better App Store score, 5.0 against 1.7. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews point the same way: 89% of LensFactor's written reviews are positive against 33% of RF Control's.

LensFactor ships an update every 24 months, RF Control every 3 months. The most recent releases landed on September 21, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | LensFactor | RF Control |
| --- | --- | --- |
| Price | **$1.99** | $5.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/lensfactor/id370376269/reviews)** | [1.7 (6 ratings)](https://appshunter.io/ios/app/rf-control/id663971602/reviews) |
| Number of ratings | 2 | **6** |
| Positive reviews | **88.9% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 3 months** |
| Monetization | Paid | Paid |
| Size | 1 MB | 29 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bart van Stiphout](https://appshunter.io/developer/368100168) | [Claus Menke](https://appshunter.io/developer/663971605) |

## What reviewers say

### LensFactor

[App page](https://appshunter.io/ios/app/lensfactor/id370376269)

This app helps calculate lens factors, screen sizes, and projector distances based on known variables. It's a utility for professionals or enthusiasts needing precise measurements for display setups.

**Highlights:** Calculate lens factor, Calculate screen size, Calculate projector distance, Input screen size and projector distance, Input lens factor and projector distance, Input lens factor and screen size

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

**In-app purchases:** none


### RF Control

[App page](https://appshunter.io/ios/app/rf-control/id663971602)

Remotely manage and monitor up to 48 channels of wireless receivers from Sennheiser and Shure. Provides a quick overview of vital parameters and detailed control for live situations. Features real-time RF and AF level plotting for walk tests and dropout detection.

**Highlights:** Control up to 48 wireless receiver channels, Monitor RF and AF levels, View battery status and remaining time, Adjust frequency, bank, and channel, Real-time RF/AF level plotting, RF environment scanning (Sennheiser only), Export scan data as CSV

**In-app purchases:** none


## Frequently asked questions

### Is LensFactor free?

LensFactor costs $1.99, with no in-app purchases.

### Is RF Control free?

RF Control costs $5.99, with no in-app purchases.

### Which has better reviews, LensFactor or RF Control?

LensFactor is rated higher. LensFactor averages 5.0 out of 5 from 2 ratings, while RF Control averages 1.7 from 6 ratings.

### Do LensFactor or RF Control have ads?

Neither LensFactor nor RF Control shows ads.

### Which is updated more often, LensFactor or RF Control?

LensFactor ships an update every 24 months, and RF Control every 3 months. Most recently, LensFactor was updated on September 21, 2026 and RF Control on September 16, 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.*