# LensPro vs Qalculator

The clearest difference is rating: Qalculator at 5.0 against LensPro's 4.4. Qalculator also leads on update cadence (every 4 months vs every 12 months) and review sentiment (90% vs 72%). LensPro's advantage is ratings volume (21 vs 5). On ads, in-app purchases, monetization model and device support there is nothing between them.

LensPro costs $5.99 and Qalculator $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Qalculator holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 21 and 5 respectively. Written reviews point the same way: 72% of LensPro's written reviews are positive against 90% of Qalculator's.

LensPro ships an update every 12 months, Qalculator every 4 months. The most recent releases landed on October 27, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | LensPro | Qalculator |
| --- | --- | --- |
| Price | $5.99 | **$2.99** |
| Rating | [4.4 (21 ratings)](https://appshunter.io/ios/app/lenspro/id391291572/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/qalculator/id639592437/reviews)** |
| Number of ratings | **21** | 5 |
| Positive reviews | 72.2% of reviews | **90.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 4 months** |
| Monetization | Paid | Paid |
| Size | 113 MB | 2 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [piXap](https://appshunter.io/developer/386140014) | [QConcept GmbH & Co. KG](https://appshunter.io/developer/639592440) |

## What reviewers say

### LensPro

[App page](https://appshunter.io/ios/app/lenspro/id391291572)

This utility app assists projectionists with lens calculations for various projector brands. It maintains an updated database of lens information accessible via the internet.

**Highlights:** Lens calculations, Supports Barco, Christie, Panasonic, Epson, Benq, Mitsubishi, Optoma, Sony, Online database updates, Ideal for projectionists

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

**In-app purchases:** none


### Qalculator

[App page](https://appshunter.io/ios/app/qalculator/id639592437)

This app provides specialized calculation tools for media professionals in film, TV, theatre, and events. It offers utilities for lighting, projection, cameras, audio, and more, simplifying complex industry tasks.

**Highlights:** Lighting beam calculations, Projection tools, Camera distance and focal length calculations, Audio delay and phase offset calculations, Display size and bandwidth calculations, Tap BPM and DIP switch utilities

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

**In-app purchases:** none


## Frequently asked questions

### Is LensPro free?

LensPro costs $5.99, with no in-app purchases.

### Is Qalculator free?

Qalculator costs $2.99, with no in-app purchases.

### Which has better reviews, LensPro or Qalculator?

Qalculator is rated higher. LensPro averages 4.4 out of 5 from 21 ratings, while Qalculator averages 5.0 from 5 ratings.

### Do LensPro or Qalculator have ads?

Neither LensPro nor Qalculator shows ads.

### Which is updated more often, LensPro or Qalculator?

LensPro ships an update every 12 months, and Qalculator every 4 months. Most recently, LensPro was updated on October 27, 2026 and Qalculator on October 8, 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.*