# Lensit vs SKF TraX

The clearest difference is price: SKF TraX at Free against Lensit's $3.99. Lensit's advantage is update cadence (fortnightly vs every 2 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

SKF TraX is free to download; Lensit costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Lensit ships an update fortnightly, SKF TraX every 2 months. The most recent releases landed on October 10, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Lensit | SKF TraX |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Paid | — |
| Size | 49 MB | 18 MB |
| Requires iOS | 16.4 | **15.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [lior cohen](https://appshunter.io/developer/1468948971) | [SKF](https://appshunter.io/developer/472922971) |

## What reviewers say

### Lensit

[App page](https://appshunter.io/ios/app/lensit-pro/id1473111489)

This utility app helps users calculate the correct projection lens or distance for video projection events. It supports different aspect ratios and unit systems, with pro features for saving unlimited events.

**Highlights:** Calculate lens factor by size/distance, Calculate distance by size/lens factor, Support for 4:3 and 16:9 aspect ratios, Metric and imperial unit support, Unit conversion, Save unlimited events (Pro feature)

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

**In-app purchases:** none


### SKF TraX

[App page](https://appshunter.io/ios/app/skf-trax/id1566086375)

**In-app purchases:** none


## Frequently asked questions

### Is Lensit free?

Lensit costs $3.99, with no in-app purchases.

### Is SKF TraX free?

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

### Do Lensit or SKF TraX have ads?

Neither Lensit nor SKF TraX shows ads.

### Which is updated more often, Lensit or SKF TraX?

Lensit ships an update fortnightly, and SKF TraX every 2 months. Most recently, Lensit was updated on October 10, 2026 and SKF TraX on October 19, 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.*