# Carista OBD2 vs aLog365

The clearest difference is rating: Carista OBD2 at 4.6 against aLog365's 4.0. Carista OBD2 also leads on update cadence (every 3 weeks vs every 7 months) and ratings volume (4.3K vs 1). aLog365's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Carista OBD2 sells 5 in-app purchases, starting at $19.99 per month. aLog365 asks for nothing beyond the download.

Carista OBD2 holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: Carista OBD2 has 4.3K ratings behind it against 1, so its average is the more settled of the two.

Carista OBD2 ships an update every 3 weeks, aLog365 every 7 months. The most recent releases landed on November 9, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Carista OBD2 | aLog365 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (4.3K ratings)](https://appshunter.io/ios/app/carista-obd2/id954363569/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/alog365/id6450749857/reviews) |
| Number of ratings | **4.3K** | 1 |
| Positive reviews | 34.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 7 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#142** | — |
| Size | 141 MB | 94 MB |
| Requires iOS | 16.4 | **14.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Prizmos](https://appshunter.io/developer/954363568) | [Claudio Cordeglio](https://appshunter.io/developer/1694360368) |

## What reviewers say

### Carista OBD2

[App page](https://appshunter.io/ios/app/carista-obd2/id954363569)

**Currently charting:** #142 Top Grossing · Utilities (US App Store)

Diagnose warning lights, reset fault codes, and monitor live vehicle data. Customize car features and perform DIY service procedures. Supports over 30 car brands and millions of users worldwide.

**Highlights:** Diagnose and reset fault codes, Monitor live vehicle data, Customize hidden car features, Perform DIY service procedures, Supports 30+ car brands, SFD & SFD2 compatibility

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Car – Monthly | $19.99 | per month |
| Pro | $19.99 | per month |
| 1 month Pro | $19.99 | per month |
| 3 month Pro | $29.99 | per 3 months |
| Pro | $59.99 | per year |

**What reviewers like**

- 🚀 Easy to use
- 👍 Customization options
- 🚀 Efficient diagnostics
- 💡 Helpful for maintenance
- 👍 Great customer support

**What reviewers complain about**

- 💰 Expensive subscription
- 🔒 Requires account login
- 🐛 Connectivity issues
- 🔒 Locked features behind paywall
- 🐛 Unreliable functionality

**Reported bugs**

- App crashes and freezes
- Subscription issues and billing problems
- Incompatibility with certain OBD2 adapters
- Customization features not working as expected
- Inaccurate fault code detection

**Requested features**

- Support for more vehicle makes and models
- Offline diagnostics and customization
- Ability to save customization settings
- More detailed error code information
- Improved user interface and navigation


### aLog365

[App page](https://appshunter.io/ios/app/alog365/id6450749857)

This portable logbook helps amateur radio operators record their contacts. It offers callsign lookup, multiple export formats, and real-time upload capabilities. Plan your DX-peditions and stay connected with the DX cluster.

**Highlights:** Callsign lookup, ADIF, EDI, CSV, Cabrillo export, Real-time upload to HRDLOG.net / Ham365, DX cluster integration, DX-pedition planning

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Carista OBD2 free?

Carista OBD2 is free to download, with in-app purchases available.

### Is aLog365 free?

aLog365 is free to download, with no in-app purchases.

### Which has better reviews, Carista OBD2 or aLog365?

Carista OBD2 is rated higher. Carista OBD2 averages 4.6 out of 5 from 4.3K ratings, while aLog365 averages 4.0 from 1 ratings.

### Do Carista OBD2 or aLog365 have ads?

Carista OBD2 shows ads; aLog365 does not.

### Which is updated more often, Carista OBD2 or aLog365?

Carista OBD2 ships an update every 3 weeks, and aLog365 every 7 months. Most recently, Carista OBD2 was updated on November 9, 2026 and aLog365 on November 3, 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.*