# Booster vs GrailFox

The clearest difference is ads: GrailFox at none against Booster's shown. GrailFox also leads on iOS requirement (16.4 vs 26.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Booster sells 2 in-app purchases, starting at $1.99 per month and GrailFox sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Booster against 5.0 for GrailFox. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

Booster ships an update every 5 days, GrailFox every 8 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Booster | GrailFox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/booster-tcg-pack-tracker/id6782188686/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/grailfox-card-value-scanner/id6801604321/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 8 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 17 MB | 53 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Slayter Development](https://appshunter.io/developer/493706889) | [Maksim Larkin](https://appshunter.io/developer/6801604323) |

## What reviewers say

### Booster

[App page](https://appshunter.io/ios/app/booster-tcg-pack-tracker/id6782188686)

Track your Pokémon TCG pack openings and card pulls with detailed analytics. Monitor your collection's value, hit rates, and set completion progress. Earn XP and achievements as you rip.

**Highlights:** Pack rip analytics (value per pack, hit rate), Live card pricing and portfolio valuation, Master-set and set-completion tracking, XP and achievements for pack openings, iCloud sync across devices, Card scanning (Pro feature)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Booster Pro - Monthly | $1.99 | per month |
| Booster Pro - Yearly | $19.99 | per year |


### GrailFox

[App page](https://appshunter.io/ios/app/grailfox-card-value-scanner/id6801604321)

Instantly identify and value your English Pokémon cards. This app accurately determines the exact printing and provides current market prices with sourcing. Track your collection's value over time and manage your cards with condition details.

**Highlights:** Scan English Pokémon cards, Identify exact card printing, View real-time market prices, Track collection value, Save cards with condition, No account required for initial scans

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GrailFox Pro | $4.99 | per 7 days |
| GrailFox Pro | $39.99 | per year |
| Scan one card | $0.99 | one-time |


## Frequently asked questions

### Is Booster free?

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

### Is GrailFox free?

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

### Which has better reviews, Booster or GrailFox?

Booster and GrailFox are both rated 5.0 out of 5 on the App Store, from 5 and 2 ratings respectively.

### Do Booster or GrailFox have ads?

Booster shows ads; GrailFox does not.

### Which is updated more often, Booster or GrailFox?

Booster ships an update every 5 days, and GrailFox every 8 days. Most recently, Booster was updated on October 31, 2026 and GrailFox on October 31, 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.*