# LensFactor vs ezPoster

The clearest difference is price: ezPoster at Free against LensFactor's $1.99. ezPoster also leads on update cadence (every 11 days vs every 24 months). LensFactor's advantage is iOS requirement (11.0 vs 17.6). On rating, ratings volume, ads and in-app purchases there is nothing between them.

ezPoster is free to download; LensFactor costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for LensFactor against 5.0 for ezPoster. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

LensFactor ships an update every 24 months, ezPoster every 11 days. The most recent releases landed on September 21, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | LensFactor | ezPoster |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/lensfactor/id370376269/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/ezposter/id1577090988/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 11 days** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 6 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bart van Stiphout](https://appshunter.io/developer/368100168) | [SEE SHARP VISUAL, INC](https://appshunter.io/developer/1476650935) |

## 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


### ezPoster

[App page](https://appshunter.io/ios/app/ezposter/id1577090988)

Control your ezPoster LED display remotely via WiFi. Manage multiple displays, adjust settings like brightness and color, and easily add or delete picture and video content. Create custom programs with image zoom and crop features.

**Highlights:** WiFi control of LED displays, Manage multiple displays, Adjust brightness and color temperature, Add/delete picture and video programs, Image zoom and crop, Switch to test mode

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LensFactor free?

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

### Is ezPoster free?

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

### Which has better reviews, LensFactor or ezPoster?

LensFactor and ezPoster are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do LensFactor or ezPoster have ads?

Neither LensFactor nor ezPoster shows ads.

### Which is updated more often, LensFactor or ezPoster?

LensFactor ships an update every 24 months, and ezPoster every 11 days. Most recently, LensFactor was updated on September 21, 2026 and ezPoster on June 1, 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.*