# Collection Tracker Mobile App vs WetMath

The clearest difference is in-app purchases: Collection Tracker Mobile App at none against WetMath's 2. Collection Tracker Mobile App also leads on ads (none vs shown). WetMath's advantage is update cadence (every 2 weeks vs every 23 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. WetMath sells 2 one-off in-app purchases. Collection Tracker Mobile App asks for nothing beyond the download.

Collection Tracker Mobile App ships an update every 23 months, WetMath every 2 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Collection Tracker Mobile App | WetMath |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/collection-tracker-mobile-app/id6443842881/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 23 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 8 MB | 49 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Xu Ke](https://appshunter.io/developer/1649907339) | [NanoHawk](https://appshunter.io/developer/1805616299) |

## What reviewers say

### Collection Tracker Mobile App

[App page](https://appshunter.io/ios/app/collection-tracker-mobile-app/id6443842881)

Manage your Magic card collection directly from your mobile device. Add, delete, and organize cards and editions, with the ability to cache your collection for offline access. Sync your changes seamlessly with a local server instance.

**Highlights:** Manage card binders, Add/delete cards, Cache collection offline, Cache editions offline, Sync editions with server, Sync wishlist with server

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

**In-app purchases:** none


### WetMath

[App page](https://appshunter.io/ios/app/wetmath-aquarium-calculator/id6745920042)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WetMath Pro Unlock | $0.99 | one-time |
| WetMath™ Pro Unlock | $9.99 | one-time |


## Frequently asked questions

### Is Collection Tracker Mobile App free?

Collection Tracker Mobile App is free to download, with no in-app purchases.

### Is WetMath free?

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

### Do Collection Tracker Mobile App or WetMath have ads?

WetMath shows ads; Collection Tracker Mobile App does not.

### Which is updated more often, Collection Tracker Mobile App or WetMath?

Collection Tracker Mobile App ships an update every 23 months, and WetMath every 2 weeks. Most recently, Collection Tracker Mobile App was updated on November 3, 2026 and WetMath on October 30, 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.*