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Carmin subscription: cost, reviews, how to cancel

Chuan Nguyen Van, Reference

Free on the App Store

Carmin by Chuan Nguyen Van. 2 subscription plans from $4.99 per month. 0% of 17 recent reviews mention billing. Verified Sep 8, 2026.

  • App Store rating4.3★ from 223 ratings
  • Cheapest subscription$4.99 per month
  • Reviews mentioning billing, last 12 months0 of 17 reviews

On this page: what it costs, how to cancel, what reviewers say.

What the data says

  • Not updated in 12+ monthsLast update 603 days ago
All signals behind this verdict
Reviews in the last 12 months17
Reviews mentioning billing0 (0.0%)
One- or two-star share, last 90 days0% of 1
App Store rating4.3 (223 ratings)
Developer's apps2, 1 removed from the store
Age2,212 days
Days since last update603
Subscription plans2
Overall review sentimentmixed

Thresholds and definitions: how we rate apps.

What Carmin costs

Download: Free. Subscriptions start at $4.99 per month.

  • MonthlyRenews every month, no trial$4.99
  • AnnualRenews every year, no trial$49.99

How to cancel Carmin

  1. Open Settings on your iPhone and tap your name at the top.
  2. Tap Subscriptions.
  3. Select Carmin (listed under a plan name such as Monthly).
  4. Tap Cancel Subscription and confirm. You keep access until the end of the paid period.

If the app is not in that list, it was not billed through Apple. Cancel it with the developer instead: support page.

Charged after cancelling or during a trial? Request a refund at reportaproblem.apple.com within 90 days.

What reviewers say

Rating breakdown

  • 5★64% (143)
  • 4★20% (45)
  • 3★5% (13)
  • 2★2% (5)
  • 1★7% (17)

Recent updates

  • 1.5.0Jan 12, 2025
  • 1.4.3Apr 24, 2024
  • 1.4.2Mar 28, 2024
  • 1.4.1Jan 11, 2024
  • 1.4.0Dec 26, 2023

Praised

  • Comprehensive vehicle diagram database
  • Free version available with good content
  • Helpful for car diagnostics and repairs
  • Quick access to wiring information
  • Supports multiple vehicle brands and models
  • User-friendly interface and organization
  • Valuable tool for mechanics and DIY enthusiasts

Complained about

  • Excessive advertisements in free version
  • Frequent app crashes and instability on iOS
  • Limited vehicle coverage (missing years and models)
  • Diagrams display as code/symbols instead of images
  • Language limitations (primarily English)
  • Poor search and navigation functionality
  • Malicious/deceptive ads with fake close buttons
  • Right-hand drive vehicles not supported
  • Missing diesel truck variants
  • Slow loading and performance issues

Reported bugs

App crashes when opening diagrams on iOS; App only opens one diagram per session before crashing; Requires reinstallation to function properly; Diagrams display as code/hieroglyphics instead of images; Crashes on iOS 15, 16, and 17; Startup errors and loading hangs; iPad display issues (missing diagrams on tablets); Incorrect diagram rendering (e.g., Ford Mustang displays crooked); Save and print functions not working; Malicious ad redirects to fake TEMU website; Ad close buttons unreachable or hidden behind timers; App incompatible with certain iOS versions; Crashes when selecting vehicle brands; Performance degradation after multiple uses.

Recent one-star reviews

Русский языкКогда появится на русском перевод!?

КК, Apr 19, 2026

Malicious advertsWhen attempting to open a diagram, it sometimes worked sometimes did not. But then it would present a full screen advert. The advert would have multiple [X] buttons but the real button would not appear until a timer completed which appeared over one of the fake [X] buttons. The page itself opened…

Dayemon, Dec 1, 2025

ShortI’m looking for Toyota 1987 truck the diagrams only go to the year 2000 so what am I paying for?

Kaliman1020, Nov 24, 2025

Recent five-star reviews

I love thatNice app

MCBOB, Jun 21, 2026

SchaltplanHab nach 2 Wochen suche im Internet vergeblich durch die App endlich mal den richtigen Schaltplan gefunden und das ganze kostenlos ! Bin sehr dankbar !!

kevenekdbw, Dec 29, 2025

Замена языкаКак поставить русский?

Arab22334, Jan 28, 2026

About the developer

Chuan Nguyen Van has published on the App Store since Aug 18, 2020: 2 app(s), 1 of them no longer in the store.

  • Carmin Pro4.1★

Alternatives to Carmin

Also similar: Electrician Handbook — Basics (4.8★)

Questions people ask

How much does Carmin cost?

Download: Free. Subscriptions start at $4.99 per month.

How do I cancel Carmin?

On your iPhone open Settings, tap your name, tap Subscriptions, select Carmin and tap Cancel Subscription. You keep access until the end of the paid period.

Does Carmin have a free trial?

No plan lists a free trial in the US App Store.

Is this app free to use?

The app is free to download and use, but it does contain in-app purchases and advertisements. This model allows for continued development and access to a wide range of resources.

Carmin in one paragraph

Carmin by Chuan Nguyen Van is a Reference app for iPhone. Download: Free. Subscriptions start at $4.99 per month across 2 plan(s). App Store rating 4.3 from 223 ratings. 0 of 17 reviews in the last 12 months mention charges, subscriptions, refunds or cancelling (0%). The developer has 2 app(s) on the App Store, 1 no longer listed. Cancel through Settings › Subscriptions on the iPhone. Data verified Sep 8, 2026 by AppsLupa.

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