# CASL Pro vs tLoader II

The clearest difference is update cadence: tLoader II at every 6 weeks against CASL Pro's every 17 months. CASL Pro's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CASL Pro ships an update every 17 months, tLoader II every 6 weeks. The most recent releases landed on October 27, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | CASL Pro | tLoader II |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 74 MB | 72 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NAUKOVO-VPROVADZHUVALNA FIRMA VENBEST-LTD, TOV](https://appshunter.io/developer/1384401446) | [TIRAS-12, TOV](https://appshunter.io/developer/1140226201) |

## What reviewers say

### CASL Pro

[App page](https://appshunter.io/ios/app/casl-pro/id1546362082)

**Features:** macOS Compatibility

**In-app purchases:** none


### tLoader II

[App page](https://appshunter.io/ios/app/tloader-ii-for-engineers/id6633439762)

This application allows engineers to configure TIRAS fire systems, including non-addressable PRIME systems and control devices. It facilitates creating, editing, and saving configuration files, viewing event logs, and updating firmware directly from a mobile device.

**Highlights:** Create and edit configuration files, Save and load configuration files, View event logs, Update control panel firmware, Mobile configuration without a PC, Supports non-addressable PRIME systems

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CASL Pro free?

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

### Is tLoader II free?

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

### Do CASL Pro or tLoader II have ads?

Neither CASL Pro nor tLoader II shows ads.

### Which is updated more often, CASL Pro or tLoader II?

CASL Pro ships an update every 17 months, and tLoader II every 6 weeks. Most recently, CASL Pro was updated on October 27, 2026 and tLoader II on October 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.*