# CCTV Lens Calculator vs IR Reader Config

The clearest difference is price: IR Reader Config at Free against CCTV Lens Calculator's $1.99. IR Reader Config also leads on update cadence (every 6 weeks vs every 9 months) and iOS requirement (9.0 vs 12.3). On ads, in-app purchases and device support there is nothing between them.

IR Reader Config is free to download; CCTV Lens Calculator costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CCTV Lens Calculator ships an update every 9 months, IR Reader Config every 6 weeks. The most recent releases landed on July 16, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | CCTV Lens Calculator | IR Reader Config |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[1.5 (2 ratings)](https://appshunter.io/ios/app/cctv-lens-calculator/id1384041151/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 6 weeks** |
| Monetization | Paid | — |
| Size | 2 MB | 74 MB |
| Requires iOS | 12.3 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kieron Mcdonough](https://appshunter.io/developer/1384041150) | [Inner Range Pty. Ltd.](https://appshunter.io/developer/562825337) |

## What reviewers say

### CCTV Lens Calculator

[App page](https://appshunter.io/ios/app/cctv-lens-calculator/id1384041151)

This utility app calculates the appropriate lens for CCTV cameras based on scene distance, height, and horizontal distance. It provides lens requirements, angle of view, and pixel density, indicating object identification levels. It also offers scene dimension calculations based on focal length.

**Highlights:** Calculates required CCTV lens, Scene calculation based on focal length, Supports feet or meters, Indicates object identification levels, Calculates angle of view, Calculates pixels per meter/feet

**Features:** macOS Compatibility

**In-app purchases:** none


### IR Reader Config

[App page](https://appshunter.io/ios/app/ir-reader-config/id1611294521)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CCTV Lens Calculator free?

CCTV Lens Calculator costs $1.99, with no in-app purchases.

### Is IR Reader Config free?

IR Reader Config is free to download, with no in-app purchases.

### Do CCTV Lens Calculator or IR Reader Config have ads?

Neither CCTV Lens Calculator nor IR Reader Config shows ads.

### Which is updated more often, CCTV Lens Calculator or IR Reader Config?

CCTV Lens Calculator ships an update every 9 months, and IR Reader Config every 6 weeks. Most recently, CCTV Lens Calculator was updated on July 16, 2026 and IR Reader Config on September 21, 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.*