# XChange Data vs Quota (Dualog)

The clearest difference is update cadence: Quota (Dualog) at every 2 months against XChange Data's every 25 months. XChange Data's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (11.0 vs 16.4). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

XChange Data ships an update every 25 months, Quota (Dualog) every 2 months. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | XChange Data | Quota (Dualog) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.9 (9 ratings)](https://appshunter.io/ios/app/xchange-data/id935276658/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | **5.9% of reviews** | 2.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 8 MB | 47 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Marlink SAS](https://appshunter.io/developer/935276656) | [Dualog AS](https://appshunter.io/developer/1139734651) |

## What reviewers say

### XChange Data

[App page](https://appshunter.io/ios/app/xchange-data/id935276658)

This app provides mobile access to a satellite data and internet service. It allows users to manage their data communication, monitor usage in real-time, and access media content hosted on the intranet. The service automatically disconnects after a set duration to secure prepaid credit.

**Highlights:** Mobile access to XChange interface, Real-time data usage monitoring, Access to intranet media content, Automatic disconnection to secure credit, Remember Me login feature

**Features:** macOS Compatibility

**In-app purchases:** none


### Quota (Dualog)

[App page](https://appshunter.io/ios/app/quota-dualog/id1139734652)

This app allows ship crew to manage their onboard internet access. It provides real-time usage tracking, allows purchasing additional data, and offers data-saving features for a fair and user-friendly experience.

**Highlights:** Real-time data and time usage tracking, Cross-device internet access management, In-app data top-ups, Data-saving alerts and tips, Automatic ship Wi-Fi detection for login, Daily breakdowns by carrier

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is XChange Data free?

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

### Is Quota (Dualog) free?

Quota (Dualog) is free to download, with no in-app purchases.

### Do XChange Data or Quota (Dualog) have ads?

Neither XChange Data nor Quota (Dualog) shows ads.

### Which is updated more often, XChange Data or Quota (Dualog)?

XChange Data ships an update every 25 months, and Quota (Dualog) every 2 months. Most recently, XChange Data was updated on October 16, 2026 and Quota (Dualog) on October 17, 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.*