# Carista OBD2 vs Milestone

The clearest difference is ads: Milestone at none against Carista OBD2's shown. Milestone also leads on update cadence (every 5 days vs every 3 weeks). Carista OBD2's advantage is chart position (#168 vs unranked) and iOS requirement (16.4 vs 26.0). On price, in-app purchases 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 and Milestone sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Carista OBD2 ships an update every 3 weeks, Milestone every 5 days. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Carista OBD2 | Milestone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (4.3K ratings)](https://appshunter.io/ios/app/carista-obd2/id954363569/reviews)** | — |
| Number of ratings | **4.3K** | — |
| Positive reviews | 34.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#168** | — |
| Size | 141 MB | 8 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Prizmos](https://appshunter.io/developer/954363568) | [Tanveer Dhaliwal](https://appshunter.io/developer/1885877614) |

## What reviewers say

### Carista OBD2

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

**Currently charting:** #168 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


### Milestone

[App page](https://appshunter.io/ios/app/milestone-event-countdown/id6773165934)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Countdown Monthly | $1.99 | per month |
| Countdown Yearly | $12.00 | per year |
| countdown Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Carista OBD2 free?

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

### Is Milestone free?

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

### Do Carista OBD2 or Milestone have ads?

Carista OBD2 shows ads; Milestone does not.

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

Carista OBD2 ships an update every 3 weeks, and Milestone every 5 days. Most recently, Carista OBD2 was updated on November 11, 2026 and Milestone on October 31, 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.*