# PSI OCS vs DTF

The clearest difference is iOS requirement: PSI OCS at 8.0 against DTF's 12.0. On price, review sentiment, 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 23, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | PSI OCS | DTF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (19 ratings)](https://appshunter.io/ios/app/psi-ocs/id1095604732/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 52 MB | 61 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [SOFTTECH NETWORK COMPANY LIMITED](https://appshunter.io/developer/1095604731) | [Directed Electronics Australia](https://appshunter.io/developer/1083778713) |

## What reviewers say

### PSI OCS

[App page](https://appshunter.io/ios/app/psi-ocs/id1095604732)

This app enhances network communication for remote viewing and data transmission. It effectively resolves dynamic IP and no public IP issues in various network environments, offering improved performance over similar solutions.

**Highlights:** New transmission system, Large server network, Improved connection rate, Faster transmission speed, Solves dynamic IP issues, Solves no public IP issues, Uses CDN technology

**Features:** macOS Compatibility

**In-app purchases:** none


### DTF

[App page](https://appshunter.io/ios/app/dtf-link/id1641719371)

Record your driving journey and protect yourself from fraudulent claims with this dashcam companion app. View footage and adjust settings like park mode. Capture road details in full HD with a super wide angle lens for immediate or future reference.

**Highlights:** Record driving journeys, View recorded footage, Configure dashcam settings, Adjust park mode, Full HD High Resolution recording, Super wide angle lens

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PSI OCS free?

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

### Is DTF free?

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

### Do PSI OCS or DTF have ads?

Neither PSI OCS nor DTF shows ads.

### Which is updated more often, PSI OCS or DTF?

PSI OCS ships an update every 2 months, and DTF every 2 months. Most recently, PSI OCS was updated on September 23, 2026 and DTF on October 13, 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.*