# NGC vs Diggable AI

The clearest difference is update cadence: Diggable AI at every 9 days against NGC's every 2 months. NGC's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

NGC ships an update every 2 months, Diggable AI every 9 days. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | NGC | Diggable AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.2 (58 ratings)](https://appshunter.io/ios/app/ngc/id1187308010/reviews)** | — |
| Number of ratings | **58** | — |
| Positive reviews | 6.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 69 MB | 6 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NUMISMATIC GUARANTY CORPORATION OF AMERICA](https://appshunter.io/developer/545397855) | [Jonathan Butler](https://appshunter.io/developer/1805264424) |

## What reviewers say

### NGC

[App page](https://appshunter.io/ios/app/ngc/id1187308010)

This app provides coin collectors with access to essential resources from a leading third-party coin grading service. Verify coin certifications, explore population data, manage your collection, and stay updated with the latest news and research.

**Highlights:** Verify NGC Certification, NGC Census Population Data, NGC Registry for Collections, Latest NGC News & Research, Scan coin barcodes, Track coin rarity

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- ✅ Coin verification functionality (when working)
- 📊 Census data and grading information
- 🔍 Barcode scanning capability
- 💾 Ability to build coin collection registry

**What reviewers complain about**

- 🐛 Frequent app crashes during core functions
- 🔐 Persistent login issues and forced re-authentication
- 📵 Barcode scanner non-functional for extended periods
- 🚫 Manual cert number entry fails repeatedly
- ⚠️ App logs out users constantly

**Reported bugs**

- App crashes when scanning barcodes
- App crashes when entering certification numbers manually
- Login credentials not accepted despite working on website
- Barcode scanner detects but doesn't process codes
- Price guide values not displaying

**Requested features**

- Total collection value calculation
- Persistent login sessions
- Improved barcode/QR code scanning
- Price guide integration
- Coin photo display


### Diggable AI

[App page](https://appshunter.io/ios/app/diggable-ai/id6743947939)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NGC free?

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

### Is Diggable AI free?

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

### Do NGC or Diggable AI have ads?

Neither NGC nor Diggable AI shows ads.

### Which is updated more often, NGC or Diggable AI?

NGC ships an update every 2 months, and Diggable AI every 9 days. Most recently, NGC was updated on October 8, 2026 and Diggable AI on October 11, 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.*