Comparison

GREENHOW PRO vs Troodon OBD

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

About

GREENHOW PRO

Features

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GREENHOW PRO is the property of Shenzhen Dwon Technology CO., Limited https://www.dwon.net 1.Backup Contacts and Camera Roll; 2.Play Video, Music; 3.Preview Image， World; Supported File Formats Document : DOC , XLS , PPT , TXT , ELSE; Image: JPG , JPEG , BMP , GIF , ELSE; Audio: MP3 , AAC , AIF , ELSE; Video: MP4 , MOV , MKV , FLV , RMVB , ELSE.

About

Troodon OBD

Features

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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

GREENHOW PRO2 screens

Troodon OBD3 screens

Verdict

The call

The clearest difference is iOS requirement: GREENHOW PRO at 8.0 against Troodon OBD's 15.0. 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

GREENHOW PRO ships an update every 5 weeks, Troodon OBD every 3 weeks. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

Scorecard1 real difference · 5 level

GREENHOW PRO versus Troodon OBD: the parameters behind the verdict, then further details
Parameter	GREENHOW PRO	Troodon OBD
Price	Free	Free
Update frequency	Every 5 weeks	Every 3 weeks — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	8.0 — better	15.0
Further details — not scored
Size	71 MB	27 MB
Age rating	4+	4+
Developer	锦才钟	DevCom spol. s r.o.

In-app purchases

None

GREENHOW PRO

No in-app purchases

None

Troodon OBD

No in-app purchases

Questions

Is GREENHOW PRO free?

GREENHOW PRO is free to download, with no in-app purchases.

Is Troodon OBD free?

Troodon OBD is free to download, with no in-app purchases.

Do GREENHOW PRO or Troodon OBD have ads?

Neither GREENHOW PRO nor Troodon OBD shows ads.

Which is updated more often, GREENHOW PRO or Troodon OBD?

GREENHOW PRO ships an update every 5 weeks, and Troodon OBD every 3 weeks. Most recently, GREENHOW PRO was updated on October 4, 2026 and Troodon OBD on October 1, 2026.