# ALFA OBD vs CipherDeck Secure Flashcards

The clearest difference is in-app purchases: CipherDeck Secure Flashcards at none against ALFA OBD's 2. CipherDeck Secure Flashcards also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.0). ALFA OBD's advantage is update cadence (daily vs fortnightly). On price and ads there is nothing between them.

Both are free to download. ALFA OBD sells 2 in-app purchases, starting at $1.99 per 7 days. CipherDeck Secure Flashcards asks for nothing beyond the download.

ALFA OBD ships an update daily, CipherDeck Secure Flashcards fortnightly. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ALFA OBD | CipherDeck Secure Flashcards |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (118 ratings)](https://appshunter.io/ios/app/alfa-obd-car-diagnostic-app/id6504546894/reviews)** | — |
| Number of ratings | **118** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Fortnightly |
| Monetization | Subscription | — |
| Size | 16 MB | 13 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lanh Giang Seo](https://appshunter.io/developer/1752808935) | [Trestle Technology, LLC](https://appshunter.io/developer/1462765394) |

## What reviewers say

### ALFA OBD

[App page](https://appshunter.io/ios/app/alfa-obd-car-diagnostic-app/id6504546894)

This app connects to your vehicle via Bluetooth OBD adapter to provide real-time car data analysis and diagnostics. It also includes advanced tools for managing vehicle finances, tracking expenses, and monitoring income.

**Highlights:** Bluetooth OBD connection, Real-time car data scanning, Vehicle finance management, Expense tracking, Income monitoring, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Access All Weekly | $1.99 | per 7 days |
| Access All Monthly | $4.99 | per month |


### CipherDeck Secure Flashcards

[App page](https://appshunter.io/ios/app/cipherdeck-secure-flashcards/id6759811188)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ALFA OBD free?

ALFA OBD is free to download, with in-app purchases available.

### Is CipherDeck Secure Flashcards free?

CipherDeck Secure Flashcards is free to download, with no in-app purchases.

### Do ALFA OBD or CipherDeck Secure Flashcards have ads?

Neither ALFA OBD nor CipherDeck Secure Flashcards shows ads.

### Which is updated more often, ALFA OBD or CipherDeck Secure Flashcards?

ALFA OBD ships an update daily, and CipherDeck Secure Flashcards fortnightly. Most recently, ALFA OBD was updated on October 30, 2026 and CipherDeck Secure Flashcards on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*