# CardGrader.AI vs DropNotify

The clearest difference is rating: CardGrader.AI at 4.8 against DropNotify's 4.2. CardGrader.AI also leads on ratings volume (388 vs 12) and review sentiment (65% vs 50%). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. CardGrader.AI sells 14 in-app purchases, starting at $5.99 per month and DropNotify sells 1 in-app purchase, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

CardGrader.AI holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: CardGrader.AI has 388 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 65% of CardGrader.AI's written reviews are positive against 50% of DropNotify's.

CardGrader.AI ships an update every 9 days, DropNotify weekly. The most recent releases landed on October 1, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | CardGrader.AI | DropNotify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (388 ratings)](https://appshunter.io/ios/app/cardgraderai/id6760194903/reviews)** | [4.2 (12 ratings)](https://appshunter.io/ios/app/dropnotify/id6762160323/reviews) |
| Number of ratings | **388** | 12 |
| Positive reviews | **65.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Free with in-app purchases | Freemium |
| Best chart rank | **#189** | — |
| Size | 85 MB | 8 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jeremy Junod](https://appshunter.io/developer/1809584188) | [Brendan Forti](https://appshunter.io/developer/1893174499) |

## What reviewers say

### CardGrader.AI

[App page](https://appshunter.io/ios/app/cardgraderai/id6760194903)

**Currently charting:** #189 Top Grossing · Reference (US App Store)

This app uses AI to analyze trading cards from photos, predicting grades based on centering, corners, edges, and surface. It provides real market data on sold prices for raw and graded cards to help collectors make informed financial decisions.

**Highlights:** AI card grading prediction, Analyze centering, corners, edges, surface, Real sold price data, ROI calculation, Price lookups, Population data

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

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CardGrader 10 | $5.99 | per month |
| Collector | $7.99 | per month |
| Collector | $9.99 | per month |
| Pro | $17.99 | per month |
| CardGrader 100 | $17.99 | per month |
| Pro | $19.99 | per month |
| Dealer | $29.99 | per month |
| CardGrader 250 | $29.99 | per month |
| CardGrader 500 | $29.99 | per month |
| Collector (Annual) | $49.99 | per year |
| Collector Annual | $59.99 | per year |
| Collector (Annual) | $59.99 | per year |
| Pro (Annual) | $119.99 | per year |
| Dealer (Annual) | $199.99 | per year |


### DropNotify

[App page](https://appshunter.io/ios/app/dropnotify/id6762160323)

Get instant notifications when popular retailers restock desired items. Track product availability online and in-store for collectibles, deals, and more. Offers both free and premium subscription tiers for enhanced features.

**Highlights:** Real-time push notifications, Online and in-store restock tracking, Support for major retailers, Track collectibles and deals, Free and premium subscription options, Local restock maps

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DropNotify Premium | $9.99 | per month |


## Frequently asked questions

### Is CardGrader.AI free?

CardGrader.AI is free to download, with in-app purchases available.

### Is DropNotify free?

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

### Which has better reviews, CardGrader.AI or DropNotify?

CardGrader.AI is rated higher. CardGrader.AI averages 4.8 out of 5 from 388 ratings, while DropNotify averages 4.2 from 12 ratings.

### Do CardGrader.AI or DropNotify have ads?

Neither CardGrader.AI nor DropNotify shows ads.

### Which is updated more often, CardGrader.AI or DropNotify?

CardGrader.AI ships an update every 9 days, and DropNotify weekly. Most recently, CardGrader.AI was updated on October 1, 2026 and DropNotify on September 23, 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.*