# ALLDATA vs SignMaster.com

The clearest difference is review sentiment: SignMaster.com at 100% against ALLDATA's 10%. SignMaster.com also leads on monetization model (free vs subscription) and iOS requirement (13.0 vs 16.0). ALLDATA's advantage is update cadence (every 5 weeks vs every 41 months). On price, ads, in-app purchases and device support 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, SignMaster.com every 41 months. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | ALLDATA | SignMaster.com |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/signmastercom/id1193014675/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 9.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 41 months |
| Monetization | Subscription | **Free** |
| Size | 91 MB | 8 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ALLDATA, LLC](https://appshunter.io/developer/697105394) | [SignMaster](https://appshunter.io/developer/1193014674) |

## 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


### SignMaster.com

[App page](https://appshunter.io/ios/app/signmastercom/id1193014675)

Manage your account and place orders on the go. Quickly access wholesale and retail pricing with just a few taps.

**Highlights:** Account management, Order processing, Wholesale pricing, Retail pricing, Mobile access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ALLDATA free?

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

### Is SignMaster.com free?

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

### Do ALLDATA or SignMaster.com have ads?

Neither ALLDATA nor SignMaster.com shows ads.

### Which is updated more often, ALLDATA or SignMaster.com?

ALLDATA ships an update every 5 weeks, and SignMaster.com every 41 months. Most recently, ALLDATA was updated on October 19, 2026 and SignMaster.com on October 18, 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.*