# ALLDATA vs ATRA Pro

ALLDATA and ATRA Pro are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

ALLDATA ships an update every 5 weeks, ATRA Pro every 3 weeks. The most recent releases landed on September 1, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | ALLDATA | ATRA Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 9.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Subscription | — |
| Size | 91 MB | 43 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ALLDATA, LLC](https://appshunter.io/developer/697105394) | [Automatic Transmission Rebuilders Association](https://appshunter.io/developer/1828459736) |

## What reviewers say

### ALLDATA

[App page](https://appshunter.io/ios/app/alldata/id1146971588)

Access comprehensive OEM automotive repair and diagnostic data on your mobile device. Streamline inspections with photo documentation and generate detailed reports. Identify vehicle issues efficiently with built-in diagnostic tools for faster customer approvals and increased productivity.

**Highlights:** OEM repair procedures, Diagnostic trouble codes (DTCs), Technical service bulletins (TSBs), Integrated inspection tools, Photo documentation, Live sensor data graphing, Full-system scan reports

**In-app purchases:** none

**What reviewers like**

- 👍 VIN scanning helpful in shop
- 👍 Easier than website for phone use
- 👍 App is fantastic, user-friendly, quick, responsive
- 👍 Huge boost to garage
- 👍 Works like a charm on iPad Air 3

**What reviewers complain about**

- 🐛 Extremely slow and unreliable
- 🐛 Expensive subscription for functionality
- 🐛 App does not support repair side
- 🐛 App crashes or closes instantly
- 🐛 Does not work on mobile devices

**Reported bugs**

- App opens and closes instantly
- App works on iPad but not mobile
- App crashes frequently
- Latest update prevents loading ALLDATA
- Login issues, access denied repeatedly

**Requested features**

- Offline usability for critical jobs
- Mobile-friendly website or app for repair info
- Ability to access repair info on the go
- App should be designed for phones, not just tablets
- Access to repair data on the phone


### ATRA Pro

[App page](https://appshunter.io/ios/app/atra-pro/id6749012675)

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

**In-app purchases:** none


## Frequently asked questions

### Is ALLDATA free?

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

### Is ATRA Pro free?

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

### Do ALLDATA or ATRA Pro have ads?

Neither ALLDATA nor ATRA Pro shows ads.

### Which is updated more often, ALLDATA or ATRA Pro?

ALLDATA ships an update every 5 weeks, and ATRA Pro every 3 weeks. Most recently, ALLDATA was updated on September 1, 2026 and ATRA Pro on September 8, 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.*