# AiGrading vs PopGrinder

The clearest difference is review sentiment: PopGrinder at 89% against AiGrading's 25%. PopGrinder also leads on rating (4.5 vs 1.0) and ratings volume (63 vs 3). AiGrading's advantage is in-app purchases (none vs 5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PopGrinder sells 5 in-app purchases, starting at $2.99 per month. AiGrading asks for nothing beyond the download.

PopGrinder holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: PopGrinder has 63 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 25% of AiGrading's written reviews are positive against 89% of PopGrinder's.

AiGrading ships an update fortnightly, PopGrinder every 3 weeks. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | AiGrading | PopGrinder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (3 ratings)](https://appshunter.io/ios/app/aigrading/id1584321914/reviews) | **[4.5 (63 ratings)](https://appshunter.io/ios/app/popgrinder/id6446220901/reviews)** |
| Number of ratings | 3 | **63** |
| Positive reviews | 25.0% of reviews | **89.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 69 MB | 56 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gamevision s.r.l.](https://appshunter.io/developer/1584321916) | [Simone Bellano](https://appshunter.io/developer/1370836951) |

## What reviewers say

### AiGrading

[App page](https://appshunter.io/ios/app/aigrading/id1584321914)

Manage your graded collectibles and monitor submission progress. Scan NFC smart labels on cards to instantly view grading certificates on your device. Securely transfer certificates when exchanging or selling your items.

**Highlights:** Manage graded collections, Monitor submission status, View grading certificates, Scan NFC smart labels, Transfer certificates

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

**In-app purchases:** none


### PopGrinder

[App page](https://appshunter.io/ios/app/popgrinder/id6446220901)

Organize, track, and value your entire collection of Funko Pops and other collectibles. Scan items, manage custom folders, and discover new additions for sale. Share your collection with others and even create custom Funko-style art.

**Highlights:** Barcode scanner for quick item addition, Smart search and filtering for collections, Track multiple editions of figures, Customizable folder management, Real-time collection value tracking, AI image generation for custom art, Find collectibles for sale on various platforms

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PopGrinder PRO | $2.99 | per month |
| PopGrinder PRO | $29.99 | per year |
| Common Crowns | $1.29 | one-time |
| Special Edition Crowns | $2.49 | one-time |
| Chase Crowns | $6.59 | one-time |

**What reviewers like**

- 👍 User-friendly interface
- 🚀 Fast and reliable
- 💰 Accurate market values
- ✅ Tracks collection well
- 💡 Compares prices from multiple markets

**What reviewers complain about**

- ⚠️ Prices not always 100% accurate
- 🇨🇦 No Canadian dollar pricing
- 🔄 UI choices are sometimes weird
- 💰 Some features require payment (crowns)
- 📉 Prices differ from Funko app

**Reported bugs**

- Camera only, no scan button
- App randomly closes
- Update makes app unusable (stuck on loading page)
- Cannot open app ('something went wrong')
- Scan feature doesn't stay on screen

**Requested features**

- Better search function (multiple titles, fandom, game)
- Allow multiple of the same pops on a list
- Option to mark pops as signed
- View prices in Canadian dollars
- Ability to add duplicates in a collection


## Frequently asked questions

### Is AiGrading free?

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

### Is PopGrinder free?

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

### Which has better reviews, AiGrading or PopGrinder?

PopGrinder is rated higher. AiGrading averages 1.0 out of 5 from 3 ratings, while PopGrinder averages 4.5 from 63 ratings.

### Do AiGrading or PopGrinder have ads?

Neither AiGrading nor PopGrinder shows ads.

### Which is updated more often, AiGrading or PopGrinder?

AiGrading ships an update fortnightly, and PopGrinder every 3 weeks. Most recently, AiGrading was updated on October 9, 2026 and PopGrinder on October 12, 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.*