I vs Troodon OBD
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
I
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The I-Watcher™ is a compact, versatile cellular alarm unit that was designed for the motorcycle and vehicle market. I-Watcher™ offers online monitoring capabilities. It uses both cellular and satellite networks for real time data transmission from\to the Vehicle or Motorcycle. It enables on-line bi-directional communication with App. I-Watcher™ has several inputs that are connected to vehicle devices (i.e. vehicle battery, ignition switch, alarm system etc.) that trigger I-Watcher™ to generate event massages. Those messages could be sent via App. In addition, outgoing call is supported by I-Watcher™ in case of theft event. This feature provides another capability of informing clients about theft event occurrences. The following inputs are used to generate real time information by the unit: •Alarm/Pager •Ignition switch (ON/OFF status indication) •Vehicle battery (low power warning) •Vehicle doors (left unlocked while ignition is off) •Vehicle lights (left ON while ignition is off)
Troodon OBD
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Unlock the full potential of your vehicle with Troodon OBD. Features include*: • ECU identification • Reading and clearing DTCs from ECU memory • Vehicle parameters monitoring • Visual data representation (graph mode) • Data logging for any number of parameters • Actuator testing procedures • Additional features • ECU configuration/adaptation • Sensor calibration • DPF regeneration • Component replacement functions and configurations • Service and oil change interval reset • Various other procedures specific for each vehicle This app is compatible with following devices: • Troodon OBD Basic • Troodon OBD Pro Whether you're a DIY enthusiast or a seasoned mechanic, Troodon OBD simplifies complex tasks, making advanced diagnostics easy and accessible. * Feature compatibility depends on the specific vehicle and the range of software installed on your diagnostic device.
Screenshots
Verdict
The clearest difference is update cadence: Troodon OBD at every 3 weeks against I's every 4 months. I's advantage is iOS requirement (8.0 vs 15.0). 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.
I ships an update every 4 months, Troodon OBD every 3 weeks. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.
| Parameter | I | Troodon OBD |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 11 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Spetrotec LTD | DevCom spol. s r.o. |
In-app purchases
I
No in-app purchases
Troodon OBD
No in-app purchases









