# Collection Guide for Hotwheels vs Flappy Defender

The clearest difference is in-app purchases: Flappy Defender at none against Collection Guide for Hotwheels's 1. Flappy Defender also leads on update cadence (every 5 days vs every 2 weeks) and iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Collection Guide for Hotwheels sells 1 in-app purchase, starting at $19.99 per year. Flappy Defender asks for nothing beyond the download.

Collection Guide for Hotwheels ships an update every 2 weeks, Flappy Defender every 5 days. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Collection Guide for Hotwheels | Flappy Defender |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (30 ratings)](https://appshunter.io/ios/app/collection-guide-for-hotwheels/id1644552606/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 29.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 64 MB | 18 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zach Bublil](https://appshunter.io/developer/1644552608) | [Timur Liftiiev](https://appshunter.io/developer/1691601544) |

## What reviewers say

### Collection Guide for Hotwheels

[App page](https://appshunter.io/ios/app/collection-guide-for-hotwheels/id1644552606)

Organize and manage your diecast car collection with this comprehensive guide. Search for specific models, track your inventory, add notes, and back up your data to prevent loss. Supports a vast range of models from 1968 onwards.

**Highlights:** Search cars by year, name, series, or Treasure Hunt, Add cars to collection with quantity and comments, View collection organized by year or series, Backup and import collection data, Supports mainlines from 1968-2026, Request missing cars for database addition

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HotWheels Collectors Premium | $19.99 | per year |


### Flappy Defender

[App page](https://appshunter.io/ios/app/flappy-defender/id6450933872)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Collection Guide for Hotwheels free?

Collection Guide for Hotwheels is free to download, with in-app purchases available.

### Is Flappy Defender free?

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

### Do Collection Guide for Hotwheels or Flappy Defender have ads?

Neither Collection Guide for Hotwheels nor Flappy Defender shows ads.

### Which is updated more often, Collection Guide for Hotwheels or Flappy Defender?

Collection Guide for Hotwheels ships an update every 2 weeks, and Flappy Defender every 5 days. Most recently, Collection Guide for Hotwheels was updated on October 22, 2026 and Flappy Defender on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*