# Carista OBD2 vs Nextbase

The clearest difference is in-app purchases: Nextbase at none against Carista OBD2's 13. Nextbase also leads on ads (none vs shown). Carista OBD2's advantage is chart position (#158 vs unranked) and ratings volume (4.1K vs 497). On price, rating, update cadence and monetization model there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.6 for Carista OBD2 against 4.7 for Nextbase. That said, the two scores are not equally well evidenced: Carista OBD2 has 4.1K ratings behind it against 497, so its average is the more settled of the two. Written reviews are what separate them: 34% of Carista OBD2's written reviews are positive against 25% of Nextbase's.

Carista OBD2 ships an update every 3 weeks, Nextbase every 4 weeks. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Carista OBD2 | Nextbase |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (4.1K ratings)](https://appshunter.io/ios/app/carista-obd2/id954363569/reviews) | **[4.7 (497 ratings)](https://appshunter.io/ios/app/nextbase/id6503702226/reviews)** |
| Number of ratings | **4.1K** | 497 |
| Positive reviews | **34.2% of reviews** | 25.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#158** | — |
| Size | 132 MB | 230 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Prizmos](https://appshunter.io/developer/954363568) | [NEXTBASE UK](https://appshunter.io/developer/1088562775) |

## What reviewers say

### Carista OBD2

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

**Currently charting:** #158 Top Grossing · Utilities (US App Store)

This app acts as a DIY car mechanic, allowing you to customize features, diagnose warning lights, monitor live data, and perform maintenance. Save time and money by handling common car tasks yourself.

**Highlights:** Customize car behavior and unlock hidden features, Diagnose and reset dashboard warning lights, Monitor real-time vehicle parameters, Perform simple DIY car maintenance procedures, Access advanced electronic diagnostics

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 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 |
| One-Time Diagnostic & Reset | $9.99 | one-time |

**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


### Nextbase

[App page](https://appshunter.io/ios/app/nextbase/id6503702226)

Manage and control compatible dash cams to record, download, and share footage. Features include automatic parking recording, voice commands, and emergency SOS alerts. Secure cloud storage is also available.

**Highlights:** Video playback and sharing, Smart parking recording, Voice control, Guardian Mode for speed/location alerts, Witness Mode for trusted contact alerts, Emergency SOS with location sharing, Cloud storage for recordings

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Carista OBD2 free?

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

### Is Nextbase free?

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

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

Nextbase is rated higher. Carista OBD2 averages 4.6 out of 5 from 4.1K ratings, while Nextbase averages 4.7 from 497 ratings.

### Do Carista OBD2 or Nextbase have ads?

Carista OBD2 shows ads; Nextbase does not.

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

Carista OBD2 ships an update every 3 weeks, and Nextbase every 4 weeks. Most recently, Carista OBD2 was updated on September 23, 2026 and Nextbase on September 22, 2026.

---

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