# RX devlog vs CarData

The clearest difference is device support: RX devlog at 3 against CarData's 1. RX devlog also leads on iOS requirement (15.1 vs 17.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RX devlog ships an update weekly, CarData every 6 days. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | RX devlog | CarData |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cardata/id6781201533/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 6 days** |
| Monetization | — | Free |
| Size | 34 MB | 14 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Anton Emelianov](https://appshunter.io/developer/1597002121) | [Dzmitry Dziubchanka](https://appshunter.io/developer/6781201535) |

## What reviewers say

### RX devlog

[App page](https://appshunter.io/ios/app/rx-devlog/id6741540059)

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

**In-app purchases:** none


### CarData

[App page](https://appshunter.io/ios/app/cardata/id6781201533)

Track your vehicle's expenses and maintenance history in one place. Log fuel purchases, service costs, and important events. Keep your car records organized and understand your ownership costs.

**Highlights:** Expense tracking, Maintenance history, Fuel purchase logging, Service reminders, Vehicle information storage, Data search and viewing, iCloud synchronization

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

**In-app purchases:** none


## Frequently asked questions

### Is RX devlog free?

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

### Is CarData free?

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

### Do RX devlog or CarData have ads?

Neither RX devlog nor CarData shows ads.

### Which is updated more often, RX devlog or CarData?

RX devlog ships an update weekly, and CarData every 6 days. Most recently, RX devlog was updated on September 23, 2026 and CarData on September 20, 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.*