# Card Grading Tool vs Trovie

The clearest difference is review sentiment: Trovie at 91% against Card Grading Tool's 0%. Trovie also leads on ads (none vs shown) and update cadence (weekly vs every 2 months). Card Grading Tool's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

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

Card Grading Tool ships an update every 2 months, Trovie weekly. The most recent releases landed on October 4, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Card Grading Tool | Trovie |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (18 ratings)](https://appshunter.io/ios/app/trovie/id6791005697/reviews)** |
| Number of ratings | — | **18** |
| Positive reviews | 0.0% of reviews | **90.9% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Ad-supported | **Free** |
| Size | 108 MB | 95 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Computing & Dreams BVBA](https://appshunter.io/developer/1016296633) | [Trovie, Inc.](https://appshunter.io/developer/6785720362) |

## What reviewers say

### Card Grading Tool

[App page](https://appshunter.io/ios/app/card-grading-tool/id6739850958)

Analyze and measure the centering of your trading cards with precision tools. This app helps collectors determine grading potential and share results, supporting various card types.

**Highlights:** Accurate centering measurements, User-friendly interface, Customizable tools, Built-in ratio table, Save and share graded cards, Offline access

**In-app purchases:** none


### Trovie

[App page](https://appshunter.io/ios/app/trovie/id6791005697)

This app streamlines inventory management and sales tracking for trading card game vendors. It automates cost basis calculations, tracks buys, sells, and trades, and provides event-specific financial summaries. Collectors can view live inventory via QR codes without needing an app.

**Highlights:** Automated cost basis calculation, Unified buy, sell, and trade entry, Barcode scanning for sealed products, Event-specific financial scoreboards, Multi-staff booth management, Live inventory viewing for collectors, Support for multiple TCGs

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

**In-app purchases:** none


## Frequently asked questions

### Is Card Grading Tool free?

Card Grading Tool is free to download, with no in-app purchases.

### Is Trovie free?

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

### Do Card Grading Tool or Trovie have ads?

Card Grading Tool shows ads; Trovie does not.

### Which is updated more often, Card Grading Tool or Trovie?

Card Grading Tool ships an update every 2 months, and Trovie weekly. Most recently, Card Grading Tool was updated on October 4, 2026 and Trovie on October 24, 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.*