# Memory Scan vs CenterGrade App

The clearest difference is in-app purchases: Memory Scan at none against CenterGrade App's 5. Memory Scan also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 4 weeks). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. CenterGrade App sells 5 one-off in-app purchases. Memory Scan asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Memory Scan against 5.0 for CenterGrade App. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Memory Scan ships an update every 2 weeks, CenterGrade App every 4 weeks. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Memory Scan | CenterGrade App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/memory-scan/id6752468383/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/centergrade-app/id6759246214/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 19 MB | 19 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jimmy Shaw](https://appshunter.io/developer/1839381526) | [Gabin Williams](https://appshunter.io/developer/1877631093) |

## What reviewers say

### Memory Scan

[App page](https://appshunter.io/ios/app/memory-scan/id6752468383)

Securely scan, authenticate, and track QR codes and barcodes with tamper-evident protection. Manage your digital codes, verify product authenticity, and maintain peace of mind with an intuitive interface and robust security features.

**Highlights:** QR code and barcode scanning, Tamper-evident protection, Code authentication, Scan history tracking, User profile management, Secure login and signup

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

**In-app purchases:** none


### CenterGrade App

[App page](https://appshunter.io/ios/app/centergrade-app/id6759246214)

This app uses AI to analyze card centering and predict grading outcomes for multiple companies. It also provides real-time market data and ROI calculations to help collectors make informed decisions before submitting cards for grading.

**Highlights:** AI centering analysis, Grade predictions for 6 companies, Real-time card values, ROI calculator, Market Pulse liquidity scores, On-device processing

**Features:** Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee Tip | $0.99 | one-time |
| Lunch Tip | $2.99 | one-time |
| CenterGrade App Pro | $4.99 | one-time |
| Dinner Tip | $4.99 | one-time |
| Pack Tip | $9.99 | one-time |


## Frequently asked questions

### Is Memory Scan free?

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

### Is CenterGrade App free?

CenterGrade App is free to download, with in-app purchases available.

### Which has better reviews, Memory Scan or CenterGrade App?

Memory Scan and CenterGrade App are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Memory Scan or CenterGrade App have ads?

CenterGrade App shows ads; Memory Scan does not.

### Which is updated more often, Memory Scan or CenterGrade App?

Memory Scan ships an update every 2 weeks, and CenterGrade App every 4 weeks. Most recently, Memory Scan was updated on September 8, 2026 and CenterGrade App on September 9, 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.*