TranityLink vs OBD2 Gauges
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
TranityLink
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The HAT-Tranity mobile application allows you to monitor driving more efficiently. On HAT-Tranity, you can preview real-time images of the dash cam, play videos, download videos, set dash cam parameters, and more. More features are about to be launched.
OBD2 Gauges
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OBD2 Gauges connects to your vehicle's OBD2 port via Bluetooth and displays real-time engine data as beautiful, customizable gauges. Features: - AI Vehicle Health: explanations of telemetry and trouble codes, recommended checks, and watch points - Saved health reports you can revisit offline - AI Lite: on-device analysis on compatible devices; AI Pro: on-device plus cloud analysis with explicit consent - Realistic gauge materials, four additional bezel finishes, and ten bezel shapes - Real-time speed, RPM, boost/vacuum, oil temperature, water temperature, intake air temperature, and fuel level gauges - Multiple gauge themes inspired by iconic vehicles: Supra Stock, Supra TRD, Nismo, Audi RS, G35 Rev-Up, and more - 100+ OBD2 parameters supported - Clean, modern interface with dark and light modes - Works with any ELM327-compatible Bluetooth OBD2 adapter - Customizable gauge layouts โ single, dual, quad, or full dashboard views - On-device AI keeps analysis on your device. Optional cloud AI sends a telemetry summary to Google only after your consent. Connect your OBD2 Bluetooth adapter, pair it with your device, and launch OBD2 Gauges to see your engine data come alive. Requires an ELM327-compatible Bluetooth Low Energy (BLE) OBD2 adapter and a vehicle with an OBD2 port (1996+ model year). Optional Subscription - Remove Ads (Monthly): auto-renewing subscription that removes all ads while active. Cancel anytime in Settings โ Apple ID โ Subscriptions. - Remove Ads (Lifetime): one-time purchase that removes all ads permanently. - AI Lite: monthly or lifetime access to ad-free, on-device AI Health on compatible devices. - AI Pro: monthly or lifetime access to ad-free AI Health with cloud analysis when on-device AI is unavailable. Payment is charged to your Apple ID at confirmation of purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Terms of Use: https://www.lightcycleconsulting.com/terms-of-service Privacy Policy: https://www.lightcycleconsulting.com/privacy-policy AI Health requires an AI Lite or AI Pro purchase. On-device AI depends on device and model availability. Cloud AI requires internet access, consent, and AI Pro, with up to 10 cloud analyses per 24-hour window. AI guidance is informational and does not replace a qualified mechanic.
Screenshots
Verdict
The clearest difference is in-app purchases: TranityLink at none against OBD2 Gauges's 2. OBD2 Gauges's advantage is update cadence (every 3 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. OBD2 Gauges sells 2 in-app purchases, starting at $3.99 per month. TranityLink asks for nothing beyond the download.
TranityLink ships an update every 3 months, OBD2 Gauges every 3 days. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.
| Parameter | TranityLink | OBD2 Gauges |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 3 days โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.5 โ better | 16.0 |
| Further details โ not scored | ||
| Size | 280 MB | 52 MB |
| Age rating | 4+ | 17+ |
| Developer | WHST HEBEI Co., Ltd. | Edward Williams |
In-app purchases
TranityLink
No in-app purchases
OBD2 Gauges
- Remove Ads (Monthly)$3.991 Month
- Remove Ads (Lifetime)$24.99
Questions
Is TranityLink free?
Is OBD2 Gauges free?
Do TranityLink or OBD2 Gauges have ads?
Which is updated more often, TranityLink or OBD2 Gauges?
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