Auto101 Pro vs BigTime Auto
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Auto101 Pro
This professional diagnostic tool provides in-depth analysis and control for GM, Ford, and Chrysler vehicles. It allows reading and clearing diagnostic trouble codes, performing relearn procedures, and managing vehicle security systems.
- Read/Clear DTCs
- Perform relearn procedures
- Manage vehicle security
- Read VIN and calibration data
- Support for GM, Ford, Chrysler
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Auto101 Pro is a professional diagnostic tool designed for GM vehicles (1996+), with support for Ford and Chrysler vehicles. FEATURES: GM Tool: • Get Info: Read VIN, SDM part number, and backup data from BCM • Setup SDM: Write SDM part number to clear B1001 code • Read/Clear DTCs: Diagnostic trouble codes for ECM/PCM, BCM, and SDM • Crank Relearn: Perform crankshaft position relearn to clear P0315 • BPPS Relearn: Brake Pedal Position Sensor relearn procedure • IMMO Relearn: Immobilizer relearn to synchronize keys • VATS Relink: Vehicle Anti-Theft System relearn Ford Tool: • Get Info: VIN, Calibration ID, part numbers • Stored Keys: Keys programmed count (PATS 1996–2010) • Link PATS: Sync PCM and Cluster security (module replacement) • Clear Keys: Erase all keys; 2 new keys required to restart • Read/Clear DTCs: Standard OBD and Ford-specific codes Chrysler Tool: • Get Info: VIN and Calibration ID • Read/Clear DTCs: Standard OBD and PCM/TIPM codes • ETC Reset: Electronic Throttle Control (follow pedal prompts) REQUIREMENTS: • Auto101 OBD2 Bluetooth adapter (Bluetooth 4.0 or higher) • WiFi adapters not currently supported • Most adapters under $15 don't work! COMPATIBLE VEHICLES: GM Global A platform (2010+). Ford and Chrysler: see in-app tool for supported models. For complete vehicle list, see in-app Help section. IMPORTANT NOTES: • For Setup SDM on GMLAN systems (2006+), you need backup data from old BCM OR an adapter that supports GMLAN (vLinker MC+, OBDLink MX+) • Some GM vehicles began using GMLAN as early as 2004 SUPPORT: Contact@auto101.net
BigTime Auto
This app connects auto repair shops with local sellers of used auto parts. Mechanics can submit part requests with VINs and videos, receiving detailed quotes from sellers. The platform tracks orders from request to completion, providing a full history for both buyers and sellers.
- Submit part requests with VIN
- Attach videos to requests
- Receive detailed PDF quotes
- Track orders from request to completion
- View full order history
- Seller dashboard for quote management
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Big Time Auto Parts makes it easy for auto repair shops and mechanics to order used auto parts directly from local sellers. Submit a part request by entering a VIN, which is automatically decoded to identify the exact vehicle. Attach a short video to show the part you need. Sellers receive your request, build a detailed quote with line items and pricing, and send it back as a PDF. Review quotes and accept the items you need. Every order is tracked from request to completion, and your full order history is always available. For auto parts sellers, the app includes an admin dashboard to manage incoming requests, build and send quotes, generate invoices, and track orders. Big Time Auto Parts is built for independent used auto parts yards, salvage yards, and recyclers working with mechanics and collision repair shops.
Screenshots
Verdict
The clearest difference is update cadence: Auto101 Pro at every 2 weeks against BigTime Auto's every 2 months. On price, rating, ratings volume and ads 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.
On the App Store both sit at effectively the same score — 5.0 for Auto101 Pro against 5.0 for BigTime Auto. Both are backed by a comparable volume of ratings — 5 and 2 respectively.
Auto101 Pro ships an update every 2 weeks, BigTime Auto every 2 months. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.
| Parameter | Auto101 Pro | BigTime Auto |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | 2 |
| Update frequency | Every 2 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.5 — better |
| Further details — not scored | ||
| Size | 133 MB | 64 MB |
| Age rating | 4+ | 4+ |
| Developer | AUTO101 LLC | SOLOCRAFT LABS LLC |
Customer experience
Auto101 Pro
BigTime Auto
In-app purchases
Auto101 Pro
No in-app purchases
BigTime Auto
No in-app purchases
Questions
Is Auto101 Pro free?
Is BigTime Auto free?
Which has better reviews, Auto101 Pro or BigTime Auto?
Do Auto101 Pro or BigTime Auto have ads?
Which is updated more often, Auto101 Pro or BigTime Auto?
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