iLink Mobile vs RRTool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iLink Mobile
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iLink by CEM is your solution for remote access to MARS6, Discover 2.0, Liberty 2.0, BLADE and other iLink-equipped CEM instruments! iLink allows you to monitor the status of multiple instruments, manage the queue, start and stop the run, and view run results.
RRTool
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RRTool is the extended features companion app to your RR1090 digital refractometer and similar Bay Area Instruments devices. It communicates via encrypted BLE with your device, mirroring its buttons and providing extended functionalities such as: cloud spreadsheet logging of your measurements, enabling of ATC for Brix, QR code generation and device firmware upgrades.
Screenshots
Verdict
The clearest difference is iOS requirement: iLink Mobile at 12.0 against RRTool's 14.0. On price, update cadence, ads and in-app purchases 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.
iLink Mobile ships an update every 3 months, RRTool every 4 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.
| Parameter | iLink Mobile | RRTool |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 84 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | CEM Corporation | Bay Area Instruments Inc. |
In-app purchases
iLink Mobile
No in-app purchases
RRTool
No in-app purchases
