What is the best alternative to RepairSolutions2 on iPhone?

RepairBuddy: AI Repair & DIY, S tier, #1 in car repair.

Is there a free alternative to RepairSolutions2?

Yes: RepairBuddy: AI Repair & DIY (S tier, #1) is free to download, with in-app purchases.

Yes. 2 apps rank above it in car repair: RepairBuddy: AI Repair & DIY (#1), FIXD OBD2 Scanner (#2).

RepairSolutions2 is A tier, #3 of 8 in car repair. Here is everything that competes with it on iPhone, in tier order.

1
RepairBuddy: AI Repair & DIYShigher tier
Free + IAP · ★ 4.6 · 4,700 ratings · score 93
Turns a described or photographed appliance, car, plumbing or device problem into a likely cause and step-by-step.
2
FIXD OBD2 ScannerA
Free + IAP · ★ 4.6 · 25,865 ratings · score 88
Translates car issues, such as check engine light warnings, into plain language and tracks maintenance reminders.
4
CARFAX Car CareA
Free · ★ 4.8 · 128,086 ratings · score 86
Free app to track your car's maintenance and repairs, get service reminders, and view recall alerts.
5
My FirestoneB
Free · ★ 4.8 · 60,069 ratings · score 71
Free app from Firestone Complete Auto Care for tracking vehicle maintenance, service history, appointments and roadside.
6
Carly - OBD2 car scannerC
Free download · ★ 4.6 · 9,892 ratings · score 70
Free app for OBD2 car diagnostics and live engine data, with optional yearly Premium features and repair guides.
7
Tires PlusC
Free · ★ 4.8 · 9,339 ratings · score 69
Free app to track vehicle maintenance, manage service appointments, view service history, find stores, and request.
8
ZUS - Save Car ExpensesC
Free + IAP · ★ 4.7 · 5,247 ratings · score 61
Driving assistant app with OBD-II code reading, a mileage log, repair video tutorials and nonda Bucks rewards.

What is the best alternative to RepairSolutions2 on iPhone?: RepairBuddy: AI Repair & DIY, S tier, #1 in car repair.
Is there a free alternative to RepairSolutions2?: Yes: RepairBuddy: AI Repair & DIY (S tier, #1) is free to download, with in-app purchases.
Does anything rank above RepairSolutions2?: Yes. 2 apps rank above it in car repair: RepairBuddy: AI Repair & DIY (#1), FIXD OBD2 Scanner (#2).