# ALLDATA vs O'Reilly Pro

The clearest difference is review sentiment: O'Reilly Pro at 61% against ALLDATA's 10%. O'Reilly Pro also leads on monetization model (free vs subscription) and chart position (#89 vs unranked). 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.

ALLDATA ships an update every 5 weeks, O'Reilly Pro every 4 weeks. The most recent releases landed on September 1, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | ALLDATA | O'Reilly Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (375 ratings)](https://appshunter.io/ios/app/oreilly-pro/id6467030803/reviews)** |
| Number of ratings | — | **375** |
| Positive reviews | 9.7% of reviews | **61.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 weeks** |
| Monetization | Subscription | **Free** |
| Best chart rank | — | **#89** |
| Size | 91 MB | 53 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ALLDATA, LLC](https://appshunter.io/developer/697105394) | [O'Reilly Auto Parts](https://appshunter.io/developer/867284451) |

## 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


### O'Reilly Pro

[App page](https://appshunter.io/ios/app/oreilly-pro/id6467030803)

**Currently charting:** #89 Top Free · Business (US App Store)

Streamline vehicle service and parts management with this app designed for automotive repair professionals. Features include VIN scanning, parts lookup, ordering, and customer quoting. Supports English and Spanish.

**Highlights:** VIN scanner and license plate decoder, Parts lookup and ordering, Real-time inventory access, Part number interchange, Order placement and tracking, Customer quoting via text/email, Bilingual support (English/Spanish)

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and quick
- 👍 Smooth and quick research
- 👍 Keeps cars rotating off lifts
- 👍 Simple to use, parts categorized
- 👍 Wonderful app, made job easier

**What reviewers complain about**

- 🔒 Cannot use without making an account, no guest mode
- ⚠️ Invoices on web and app do not include tax, inconvenient

**Reported bugs**

- Cannot get into app past login screen after 8 pm

**Requested features**

- Vehicle data/spec like Google
- Print invoices with tax


## Frequently asked questions

### Is ALLDATA free?

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

### Is O'Reilly Pro free?

O'Reilly Pro is free to download, with no in-app purchases.

### Do ALLDATA or O'Reilly Pro have ads?

Neither ALLDATA nor O'Reilly Pro shows ads.

### Which is updated more often, ALLDATA or O'Reilly Pro?

ALLDATA ships an update every 5 weeks, and O'Reilly Pro every 4 weeks. Most recently, ALLDATA was updated on September 1, 2026 and O'Reilly Pro on September 25, 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.*