# Perimeter Mobile vs SIA CoRe

The clearest difference is rating: Perimeter Mobile at 3.7 against SIA CoRe's 3.3. On price, ratings volume, update cadence and ads there is nothing between them.

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

Perimeter Mobile holds the better App Store score, 3.7 against 3.3. Both are backed by a comparable volume of ratings — 3 and 7 respectively.

Perimeter Mobile ships an update every 6 weeks, SIA CoRe monthly. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Perimeter Mobile | SIA CoRe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/perimeter-mobile/id1562227654/reviews)** | [3.3 (7 ratings)](https://appshunter.io/ios/app/sia-core/id6651817248/reviews) |
| Number of ratings | 3 | **7** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 80 MB | 44 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Perimeter, Inc.](https://appshunter.io/developer/6780993903) | [Integrated Auction Solutions, LLC](https://appshunter.io/developer/1198344108) |

## What reviewers say

### Perimeter Mobile

[App page](https://appshunter.io/ios/app/perimeter-mobile/id1562227654)

This private software tool is licensed by government Public Safety agencies for internal use by authorized personnel. It is not available to the general public and does not provide access to government information or services.

**Highlights:** Internal use for Public Safety agencies, Restricted access for authorized personnel, Private software tool, Not for public use, Contact sales for department inquiries

**In-app purchases:** none


### SIA CoRe

[App page](https://appshunter.io/ios/app/sia-core/id6651817248)

This app allows users to input detailed vehicle information, create condition reports, and generate professional vehicle listings. It's designed for auction staff and CoRe system users to efficiently manage vehicle data and visual assets for sale.

**Highlights:** VIN/VRM decoding, Detailed vehicle information input, Photo capture for listings, Customizable condition reports, AutoGrade creation for auctions, Damage-condition photo linking

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

**In-app purchases:** none


## Frequently asked questions

### Is Perimeter Mobile free?

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

### Is SIA CoRe free?

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

### Which has better reviews, Perimeter Mobile or SIA CoRe?

Perimeter Mobile is rated higher. Perimeter Mobile averages 3.7 out of 5 from 3 ratings, while SIA CoRe averages 3.3 from 7 ratings.

### Do Perimeter Mobile or SIA CoRe have ads?

Neither Perimeter Mobile nor SIA CoRe shows ads.

### Which is updated more often, Perimeter Mobile or SIA CoRe?

Perimeter Mobile ships an update every 6 weeks, and SIA CoRe monthly. Most recently, Perimeter Mobile was updated on November 3, 2026 and SIA CoRe on November 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.*