OBD GPS tracker: what each one reports while driving, while parked and when unplugged

Updated 2026-11-11 · Pick: Pulse OBD Plug-In GPS Tracker: $14.95 on shop.spytec.com (checked 2026-11-11): https://dealectric.com/go/spytec-pulse-obd

Short answer. An OBD GPS tracker plugs into the car's OBD2 port, which also powers it. Our pick, Spytec Pulse OBD, reports every 2 seconds moving and every 3 hours parked on an $8.95/month annual subscription. Vyncs updates hourly when parked; Bouncie records each second driving.

Searched as: best OBD2 GPS trackers Bouncie Vyncs 2026 pricing subscription

How this table was made: each figure comes from the maker's own US product page or manual, or from the reviewer named next to it, checked 2026-11-11. Dealectric does not test units itself. Rows with a Buy link are products Dealectric lists: the links are affiliate links, and their codes are re-tested in the brand's own cart every day (last check 2026-11-13).

What the differences mean

Distance between map points at 65 mph. 65 mph is 95.3 ft per second (65 × 5,280 ÷ 3,600). Spytec Pulse OBD at 2 s: 2 × 95.3 = 191 ft. Bouncie at 1 s: 95 ft. Spytec Pulse Hardwired at 5 s: 477 ft. Vyncs Pro at 20 s: 1,907 ft (0.36 mile) between samples, and the car covers 1.08 miles (65 × 1 ÷ 60) between uploads. Vyncs Basic at 60 s: 1.08 miles between samples, and 3.25 miles (65 × 3 ÷ 60) between uploads.

Parked reports per day. Spytec Pulse OBD: 24 ÷ 3 = 8. Vyncs: 24 ÷ 1 = 24. Bouncie's help centre says "every few hours" and gives no number.

Cost. First year: Spytec Pulse OBD 12 × $8.95 = $107.40; Vyncs Basic $99.99 + $45.99 = $145.98; Vyncs Pro $119.99 + $45.99 = $165.98; Bouncie $89.99 + 12 × $9.65 = $205.79. Three years: Spytec 3 × $107.40 = $322.20; Vyncs Basic $45.99 + 3 × $99.99 = $345.96; Vyncs Pro $45.99 + 3 × $119.99 = $405.96; Bouncie $89.99 + 36 × $9.65 = $437.39. Bouncie's own pricing page states no activation fee and no contract; its dollar figures here are the ones RottenWiFi listed in its August 2026 price check. For a need of 7 months or less, Spytec billed month to month is cheaper than its own annual plan: 7 × $14.95 = $104.65.

Your use	Fits	Why
Following a car live as it drives, at the lowest yearly cost	Spytec Pulse OBD $14.95: https://dealectric.com/go/spytec-pulse-obd	A point every 191 ft at 65 mph for $107.40 in year one
The finest trip trace	Bouncie	Records and sends each second, per Bouncie's help centre
Checking where a parked car is through the day	Vyncs Basic 4G+	24 parked reports a day against 8 on Spytec's default mode
An alert at the moment the tracker is pulled out	Spytec Pulse OBD	The only one of the three with a backup battery that sends an alert on removal
A vehicle built before 1996, a heavy truck, or a tracker that should not sit in the port	Spytec Pulse Hardwired $14.95: https://dealectric.com/go/spytec-pulse-hardwired	Wired to 8 V to 32 V DC vehicle power, 200 mAh backup battery

Why an OBD tracker sleeps when parked, and stops when unplugged

The tracker has no charger and no wiring because the OBD-II connector feeds it. CSS Electronics describes the connector this way: "Pin 16 supplies battery power (often while the ignition is off)". Since the port stays live in a parked car, the tracker does not switch off. It drops into a sleep mode and reports less often so it does not run down the car's 12 V battery.

Each maker sets that parked interval differently:

• Spytec Pulse OBD. The Hapn user manual gives the default as "every 3 hours when not moving and every 2 seconds when moving". Hapn's reporting-mode table lists Performance (default) at 2 s moving and 3 h stopped, Normal at 15 s and 3 h, Eco at 30 s and 3 h, and Predictable, which lets you set the stopped interval to 1, 3, 6, 12 or 24 hours but turns trip reporting off. Spytec's guide by Patrick Icasas says that if the vehicle is moved while off, "the motion sensor will wake the device and alert you".
• Bouncie. Its help centre says the device "enters into a low-power sleep mode" and checks in "every few hours". Where there is no cell signal, such as some garages, it makes a few attempts and then stops "in order to protect the vehicle battery while parked", so the map may show no fresh position until the next drive.
• Vyncs. Its FAQ says: "Even when the engine is off, Vyncs will update its location every hour until the device is removed from the OBD-II port."

The same dependence on the port decides what happens when someone pulls the tracker out. Bouncie's help centre says "the alert is sent when the device is reinstalled and not when it's initially removed", because the device cannot reach its servers without power. Vyncs has no battery and notifies you the next time the device is plugged in. Spytec's guide says the Pulse OBD's internal backup battery lets it send one final "Power Disconnected" alert. Spytec's product page lists that battery as 60 mAh and the Hapn manual lists 115 mAh; either way it is sized for a last message, not for continued tracking.

Fit: CSS Electronics dates the US requirement for OBD2 on cars and light trucks to 1996. The Hapn manual adds that "not every vehicle model is supported, and some supported vehicles can't read all available metrics", and that Spytec's optional splitter cable "may interfere with the OBD Tracker's ability to read any telematic data from the vehicle". Battery-electric cars are the case to check before ordering: CSS Electronics says "electric vehicles are not required to support OBD2 in any shape or form", while Spytec's guide says EVs sold in the US still have the port. Look for the 16-pin socket under the dash first. Spytec lists US, Canada and Mexico coverage, and Bouncie's FAQ lists the United States including Puerto Rico, Canada and Mexico.

Not recommended: Vyncs Basic 4G+ for following a moving car

The "60 seconds" on the Basic plan is a GPS sample rate. Vyncs's own footnote says the points reach your account "together every 3 minutes", which is 3.25 miles of road at 65 mph. Speeding it up on Basic costs $30 a year for 20-second sampling plus $20 a year for live map auto refresh: $145.98 + $30 + $20 = $195.98 in year one. Vyncs Pro includes both for $165.98, which is $30.00 less, and Spytec Pulse OBD reports every 2 seconds for $107.40. Vyncs Basic remains a fair choice when the job is knowing where a parked car is, hour by hour.

Sources

• Spytec Pulse OBD: $8.95 per vehicle per month on an annual plan or $14.95 month to month, hardware free, no termination fee; 60 mAh backup battery; 8V to 32V DC; US, CA, MX coverage (read 2026-11-11) — www.spytec.com
• Spytec Pulse OBD default: every 3 hours when not moving, every 2 seconds when moving; 115 mAh battery; splitter and vehicle-support caveats (Hapn user manual, updated 2026-11-09, read 2026-11-11) — help.gethapn.com
• Hapn reporting modes: Pulse OBD Performance 2 s / 3 h, Normal 15 s / 3 h, Eco 30 s / 3 h, Predictable 1 to 24 h with no trip reporting; Pulse Wired default 5 s / 3 h (updated 2026-10-13, read 2026-11-11) — help.gethapn.com
• Spytec guide by Patrick Icasas (2026-02-04): sleep mode with the ignition off, motion sensor wake, final "Power Disconnected" alert, pre-1996 vehicles and J1939 trucks, EV port statement (read 2026-11-11) — spytec.com
• CSS Electronics: "Pin 16 supplies battery power (often while the ignition is off)"; OBD2 mandatory in the USA for cars and light trucks in 1996; EVs not required to support OBD2 (read 2026-11-11) — www.csselectronics.com
• Bouncie: "records data every second and sends that data to our servers as its recorded" (read 2026-11-11) — help.bouncie.com
• Bouncie parked: low-power sleep mode, checks in every few hours, stops trying without cell signal (Lost Connection, by Anthony, 2024-05-13, read 2026-11-11) — help.bouncie.com
• Bouncie tamper alert is sent when the device is reinstalled, not when removed (by Anthony, 2025-05-06, read 2026-11-11) — help.bouncie.com
• Bouncie terms: no activation fees, no contracts; dollar amounts did not render on the page (read 2026-11-11) — www.bouncie.com
• Bouncie price as RottenWiFi lists it: $89.99 device plus $9.65 per month, prices checked 2026-08-16 to 2026-08-18 (read 2026-11-11) — rottenwifi.com
• Bouncie FAQ: supported in the United States including Puerto Rico, Canada and Mexico; low-power mode while parked (dated 2026-02-24, read 2026-11-11) — help.bouncie.com
• Vyncs pricing: Basic $99.99/yr, Pro $119.99/yr, $45.99 one-time activation; 60 s sampling sent every 3 minutes, 20 s sampling sent every minute; $30 and $20 upgrades (read 2026-11-11) — vyncs.com
• Vyncs FAQ: location every hour with the engine off; no battery, unplug notice on the next plug-in; 12V adapter cable is GPS-only (read 2026-11-11) — vyncs.com
• Spytec Pulse Hardwired: $12.95 per vehicle per month on an annual plan or $14.95 month to month, hardware free; 8V to 32V DC, IP67, 200 mAh backup battery (read 2026-11-11) — www.spytec.com

Published 2026-11-11; updated 2026-11-11. The buy links are affiliate links; see the disclosure. Corrections welcome at [email protected] or /feedback.