CarGuy vs OBD2 Gauges
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CarGuy
This app helps you organize all your car maintenance records, track expenses, and manage multiple vehicles. Easily log service history, attach photos of receipts, and view a timeline of your vehicle's upkeep. Keep your car in top shape and stay on top of its maintenance needs.
- Organized service records
- Expense tracking
- Photo attachments for receipts
- Timeline view of service history
- Custom service logs
- Multi-car support
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CarGuy – Your Ultimate Car Maintenance & Expense Tracker CarGuy helps you keep all your car maintenance records organized, track expenses, and manage multiple vehicles effortlessly. Whether you're a car enthusiast or just want to stay on top of your vehicle's upkeep, CarGuy makes it simple! Key Features: • Organized Records – Log and store all service records, repairs, and modifications for each of your cars separately. • Expense Tracking – Keep track of how much you spend on maintenance, upgrades, and repairs. Get a clear view of your car-related expenses. • Photo Attachments – Upload images of receipts, service reports, or completed work to document everything in one place. • Timeline View – Easily scroll through a timeline of all your car's service history. • Custom Service Logs – Add details for any type of service, from oil changes to full engine rebuilds. • Multi-Car Support – Manage records for multiple cars effortlessly, ensuring each vehicle stays well-documented. With CarGuy, you'll never lose track of your vehicle's maintenance history again. Stay organized, save money, and keep your ride in top shape! Download CarGuy now and take control of your car maintenance!
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 — 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 → Apple ID → 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: CarGuy at none against OBD2 Gauges's 2. OBD2 Gauges's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads, device support and iOS requirement 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. OBD2 Gauges sells 2 in-app purchases, starting at $3.99 per month. CarGuy asks for nothing beyond the download.
CarGuy ships an update every 3 weeks, OBD2 Gauges every 3 days. The most recent releases landed on October 19, 2026 and October 9, 2026 respectively.
| Parameter | CarGuy | OBD2 Gauges |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 3 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 100 MB | 52 MB |
| Age rating | 4+ | 17+ |
| Developer | Anton Udovychenko | Edward Williams |
In-app purchases
CarGuy
No in-app purchases
OBD2 Gauges
- Remove Ads (Monthly)$3.991 Month
- Remove Ads (Lifetime)$24.99









