# Prowl (Press9) vs terpX

The clearest difference is update cadence: terpX at every 2 weeks against Prowl (Press9)'s every 3 weeks. Prowl (Press9)'s advantage is iOS requirement (13.0 vs 15.1). 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.

Prowl (Press9) ships an update every 3 weeks, terpX every 2 weeks. Both last shipped on October 10, 2026.

## The numbers

| Metric | Prowl (Press9) | terpX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/terpx/id1605500002/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 20 MB | 20 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Treebo Hospitality Ventures Private Limited](https://appshunter.io/developer/1281202037) | [Volatia](https://appshunter.io/developer/1524856616) |

## What reviewers say

### Prowl (Press9)

[App page](https://appshunter.io/ios/app/prowl-press9/id1546628898)

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

**In-app purchases:** none


### terpX

[App page](https://appshunter.io/ios/app/terpx/id1605500002)

This app helps interpreters stay updated on new assignments in their area. Users can view current assignments and close work orders upon completion.

**Highlights:** View new assignments, Check assignments in your area, View current assignments, Close work orders, Assignment notifications

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Prowl (Press9) free?

Prowl (Press9) is free to download, with no in-app purchases.

### Is terpX free?

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

### Do Prowl (Press9) or terpX have ads?

Neither Prowl (Press9) nor terpX shows ads.

### Which is updated more often, Prowl (Press9) or terpX?

Prowl (Press9) ships an update every 3 weeks, and terpX every 2 weeks. Most recently, Prowl (Press9) was updated on October 10, 2026 and terpX on October 10, 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.*