CCTV Lens Calculator vs IR Reader Config
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CCTV Lens Calculator
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.
- 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
Read full descriptionHide full description
* Simple and easy to use. * This generic CCTV Lens Calculator calculates the lens required for a CCTV camera. * Now with scene calculation based on focal length. * Calculate using feet or meters. * Enter distance from the scene, horizontal distance of scene and height of the camera, then click 'calculate'. * Results show lens required, angle of view and pixels per meter(feet). * Indicates if the object or person can be: "Identified", "Recognised" or "Detected". * The new scene calculation allows you to calculate the scene dimensions, based on a focal length value. * Calculate horizontal distance of a scene based on focal length and distance between cameras and subject. * Calculate distance between camera and subject based on focal length and horizontal distance of scene. * Scene calculation allows you enter vari-focal lens min/max focal length and use a slider to easily switch between values.
IR Reader Config
Read full descriptionHide full description
Configure SIFER Mobile Access Readers with your phone or mobile device. - Apply site encryption keys to readers - Update reader firmware - Configure read range - Configure reader/app interaction modes
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | CCTV Lens Calculator | IR Reader Config |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 1.5 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 9 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.3 | 9.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | Kieron Mcdonough | Inner Range Pty. Ltd. |
In-app purchases
CCTV Lens Calculator
No in-app purchases
IR Reader Config
No in-app purchases
Questions
Is CCTV Lens Calculator free?
Is IR Reader Config free?
Do CCTV Lens Calculator or IR Reader Config have ads?
Which is updated more often, CCTV Lens Calculator or IR Reader Config?
Other comparisons
