ecoLINE PRO vs R2 GearCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ecoLINE PRO
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User application for ecoLINE PRO devices. The application can be used to control the ecoLINE PRO devices produced by T.E.L.L. Software Hungaria Kft. The ecoLINE PRO is a simple and reliable communicator for alarm systems, with reporting option to remote monitoring station over mobile Internet, and notification sending to users via Push message. The application is connecting to the mentioned device over the Internet, therefore it generates data traffic during use! Key features: • Arm / Disarm alarm systems remotely • Forwarding alarm system events to a mobile application • Event logs • Configurable user interface (themes, icons) • Multilingual user interface For more information about the ecoLINE PRO device please visit our website: http://www.tell.hu/en/products
R2 GearCalc
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Gear ratio calculator for drift and race cars. Pick your gearbox, final drive and tire size and instantly see: • wheel speed in every gear at your shift RPM • RPM drop on every upshift • a clear RPM vs speed sawtooth chart • speed per 1000 RPM for every gear WINTERS QUICK CHANGE BUILT IN The full Winters Performance 8500-series 10-spline gear chart is included: 67 spur gear sets with 4.12, 4.57 and 4.86 ring & pinion options. Ratios are computed from exact tooth counts. Star the sets you own to build your inventory and swap between them in one tap to compare setups. 269 GEARBOX PRESETS Factory ratio presets from popular manual and automatic transmissions (ZF GS6-53DZ selected by default), or enter a manual final drive ratio for any other setup. TIRE SIZE YOUR WAY Enter the outside diameter in millimeters or a metric size like 225/45R17, with common presets one tap away. BUILT FOR THE TRACK High-contrast dark interface with bright accents that stays readable in direct sunlight. No account, no ads, no data collection — everything stays on your device and works offline.
Screenshots
Verdict
The clearest difference is iOS requirement: ecoLINE PRO at 13.0 against R2 GearCalc's 16.4. On price, ads, in-app purchases and device support 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.
| Parameter | ecoLINE PRO | R2 GearCalc |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 36 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | T.E.L.L. Software Hungária Kft. | Yury Rak |
In-app purchases
ecoLINE PRO
No in-app purchases
R2 GearCalc
No in-app purchases









