# SG Proof vs Core

The clearest difference is rating: SG Proof at 2.2 against Core's 1.4. SG Proof also leads on review sentiment (16% vs 0%). 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.

SG Proof holds the better App Store score, 2.2 against 1.4. Both are backed by a comparable volume of ratings — 125 and 158 respectively. Written reviews point the same way: 16% of SG Proof's written reviews are positive against 0% of Core's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 22, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | SG Proof | Core |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.2 (125 ratings)](https://appshunter.io/ios/app/sg-proof/id6443609412/reviews)** | [1.4 (158 ratings)](https://appshunter.io/ios/app/core-mark-customerfirst/id6740543539/reviews) |
| Number of ratings | 125 | **158** |
| Positive reviews | **15.6% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | Free |
| Size | 58 MB | 72 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [SGWS](https://appshunter.io/developer/1647645198) | [Core-Mark US, LLC](https://appshunter.io/developer/1142632027) |

## What reviewers say

### SG Proof

[App page](https://appshunter.io/ios/app/sg-proof/id6443609412)

Streamline your business inventory management with advanced ordering tools. Discover new products, reorder favorites easily, and stay updated with industry trends. This app offers on-the-go technology for efficient mobile ordering and restocking.

**Highlights:** Barcode scanning for item search, Persistent login for quick access, Unified shopping cart across devices, Reorder saved items, Discover new deals and products

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

**In-app purchases:** none


### Core

[App page](https://appshunter.io/ios/app/core-mark-customerfirst/id6740543539)

This app provides a seamless mobile and web ordering solution for businesses. It allows users to submit orders, manage credit requests, and access crucial business information like invoices and delivery details. The platform aims to simplify ordering, reduce labor costs, and improve inventory management.

**Highlights:** Submit orders, Process credit requests, Access invoices, View credit request status, Track delivery details, Optimize inventory

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

**In-app purchases:** none


## Frequently asked questions

### Is SG Proof free?

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

### Is Core free?

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

### Which has better reviews, SG Proof or Core?

SG Proof is rated higher. SG Proof averages 2.2 out of 5 from 125 ratings, while Core averages 1.4 from 158 ratings.

### Do SG Proof or Core have ads?

Neither SG Proof nor Core shows ads.

### Which is updated more often, SG Proof or Core?

SG Proof ships an update monthly, and Core monthly. Most recently, SG Proof was updated on September 22, 2026 and Core on September 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*