Interpolator vs XChange Data
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interpolator
Easily find values within tables using interpolation for two or three rows. This utility app simplifies calculations without needing a separate calculator, making it ideal for various table-based environments.
- Two-row interpolation
- Three-row interpolation
- Table value lookup
- No calculator needed
- Cargo surveyor tool
- General table use
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This is a small app which makes it very easy to look up values in tables (math etc) when you have to interpolate both in two and in three rows. No more need for a calculator to interpolate manually. This app was designed primarily for cargo surveyors working with tank calibration tables, but the app does have its application in any environment where tables are used. As of 13th January 2015, this app has become FREE until further notice.
XChange Data
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.
- Mobile access to XChange interface
- Real-time data usage monitoring
- Access to intranet media content
- Automatic disconnection to secure credit
- Remember Me login feature
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XChange Data by Marlink Version: 1.2.0 The XChange Data app is a data and internet access service provided by Marlink. XChange Data simplifies your access to the mobile XChange user interface to manage your data communication via satellite. Once ‘online’ you can use your preferred apps like email, Whatsapp, Facebook and so on. Monitor and control your satellite data usage in real time. To secure your prepaid credit, the XChange mobile environment disconnects you automatically after 2 hours of usage (default). Ask your on board administrator if you would like to extend the duration. Enhancements: ¤ Supports iOS 11 ¤ Minor bug fixes Main features: ¤ Mobile access: Access the XChange mobile interface just by starting the app. ¤ Remember me: Just set your user account once and enable the “Remember Me” feature to be automatically logged in the next time when starting the app. ¤ Media content: Access any media content (video, audio, etc…) hosted on XChange´s intranet. The XChange Data app supports all iOS devices as of iOS 7.
Screenshots
Verdict
The clearest difference is review sentiment: Interpolator at 67% against XChange Data's 6%. Interpolator also leads on rating (4.9 vs 1.9) and update cadence (every 4 months vs every 25 months). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Interpolator holds the better App Store score, 4.9 against 1.9. That said, the two scores are not equally well evidenced: Interpolator has 74 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 67% of Interpolator's written reviews are positive against 6% of XChange Data's.
Interpolator ships an update every 4 months, XChange Data every 25 months. The most recent releases landed on September 26, 2026 and October 3, 2026 respectively.
| Parameter | Interpolator | XChange Data |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (74 ratings) — better | 1.9 (9 ratings) |
| Positive reviews | 66.7% of reviews — better | 5.9% of reviews |
| Number of ratings | 74 — better | 9 |
| Update frequency | Every 4 months — better | Every 25 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 8 MB |
| Age rating | +4 | 4+ |
| Developer | ron mooring | Marlink SAS |
Customer experience
Interpolator
XChange Data
In-app purchases
Interpolator
No in-app purchases
XChange Data
No in-app purchases
Questions
Is Interpolator free?
Is XChange Data free?
Which has better reviews, Interpolator or XChange Data?
Do Interpolator or XChange Data have ads?
Which is updated more often, Interpolator or XChange Data?
Other comparisons
