# Vilter Select Lite vs Catalyst by APSM

The clearest difference is rating: Catalyst by APSM at 5.0 against Vilter Select Lite's 1.0. Vilter Select Lite's advantage is iOS requirement (10.0 vs 15.1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Catalyst by APSM holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Vilter Select Lite ships an update every 9 months, Catalyst by APSM every 7 months. The most recent releases landed on August 14, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Vilter Select Lite | Catalyst by APSM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/vilter-select-lite/id1093525035/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/catalyst-by-apsm/id6480323124/reviews)** |
| Number of ratings | 1 | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 7 months** |
| Monetization | Free | Free |
| Size | 60 MB | 45 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Copeland LP](https://appshunter.io/developer/464252882) | [APSM, LLC](https://appshunter.io/developer/1738694056) |

## What reviewers say

### Vilter Select Lite

[App page](https://appshunter.io/ios/app/vilter-select-lite/id1093525035)

Access your projects and compressor ratings offline with this utility app. Seamlessly sync files between your device and the cloud when an internet connection is available.

**Highlights:** Offline project access, Compressor ratings, Cloud file syncing, On-the-go project management

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

**In-app purchases:** none


### Catalyst by APSM

[App page](https://appshunter.io/ios/app/catalyst-by-apsm/id6480323124)

This mobile application enhances field operations for the APSM Software Platform. It allows users to perform tasks like logging, inspections, and managing work orders. Access essential documents and asset information conveniently, both online and offline.

**Highlights:** Online and offline field operations, Logging and inspections, Corrective work orders, Download and review SOPs, MPs, TOS, P&IDs, Access asset information

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

**In-app purchases:** none


## Frequently asked questions

### Is Vilter Select Lite free?

Vilter Select Lite is free to download, with no in-app purchases.

### Is Catalyst by APSM free?

Catalyst by APSM is free to download, with no in-app purchases.

### Which has better reviews, Vilter Select Lite or Catalyst by APSM?

Catalyst by APSM is rated higher. Vilter Select Lite averages 1.0 out of 5 from 1 ratings, while Catalyst by APSM averages 5.0 from 2 ratings.

### Do Vilter Select Lite or Catalyst by APSM have ads?

Neither Vilter Select Lite nor Catalyst by APSM shows ads.

### Which is updated more often, Vilter Select Lite or Catalyst by APSM?

Vilter Select Lite ships an update every 9 months, and Catalyst by APSM every 7 months. Most recently, Vilter Select Lite was updated on August 14, 2026 and Catalyst by APSM on September 18, 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.*