# Ding Detect vs PSA Card Scanner Grading

The clearest difference is iOS requirement: Ding Detect at 15.5 against PSA Card Scanner Grading's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Ding Detect sells 1 one-off in-app purchase and PSA Card Scanner Grading sells 3 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 22, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Ding Detect | PSA Card Scanner Grading |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ding-detect/id6773055856/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Freemium | — |
| Size | 66 MB | 18 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Techcave, LLC](https://appshunter.io/developer/907191026) | [Lingga Kusuma Sakti](https://appshunter.io/developer/1845620250) |

## What reviewers say

### Ding Detect

[App page](https://appshunter.io/ios/app/ding-detect/id6773055856)

Instantly measure the centering of trading cards using your phone. Get estimated grade tiers from major grading companies and track your collection strategy. Export and share your results.

**Highlights:** Centering analysis for front and back, Grade predictions for major companies, Customizable guide controls, Scan history tracking, Dashboard performance stats, Export and share results

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Card Centering Tool | $3.99 | one-time |


### PSA Card Scanner Grading

[App page](https://appshunter.io/ios/app/psa-card-scanner-grading/id6800203932)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Card Grading Weekly | $5.99 | per 7 days |
| Card Grading Yearly | $39.99 | per year |
| Card Grading Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Ding Detect free?

Ding Detect is free to download, with in-app purchases available.

### Is PSA Card Scanner Grading free?

PSA Card Scanner Grading is free to download, with in-app purchases available.

### Do Ding Detect or PSA Card Scanner Grading have ads?

Neither Ding Detect nor PSA Card Scanner Grading shows ads.

### Which is updated more often, Ding Detect or PSA Card Scanner Grading?

Ding Detect ships an update every 2 weeks, and PSA Card Scanner Grading every 2 weeks. Most recently, Ding Detect was updated on September 22, 2026 and PSA Card Scanner Grading on September 27, 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.*