# Rocket Tracker vs Image Merger & Converter

The clearest difference is in-app purchases: Rocket Tracker at none against Image Merger & Converter's 1. Rocket Tracker also leads on iOS requirement (13.0 vs 15.1). Image Merger & Converter's advantage is update cadence (every 5 days vs every 62 months). On price, ads and device support there is nothing between them.

Both are free to download. Image Merger & Converter sells 1 one-off in-app purchase. Rocket Tracker asks for nothing beyond the download.

Rocket Tracker ships an update every 62 months, Image Merger & Converter every 5 days. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Rocket Tracker | Image Merger & Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/rocket-tracker/id455751461/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 62 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 11 MB | 46 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jakob Adams](https://appshunter.io/developer/1268480296) | [JEAN CHOE](https://appshunter.io/developer/6774613380) |

## What reviewers say

### Rocket Tracker

[App page](https://appshunter.io/ios/app/rocket-tracker/id455751461)

This app helps model and high-power rocketeers meticulously track their rocket collections. Log physical details, engine compatibility, launch history, and repair needs. It also cross-references engines to compatible rockets, simplifying engine management.

**Highlights:** Track rocket physical characteristics, Log engine compatibility, Record launch history and engines used, Manage rocket repair needs, Cross-reference engines to compatible rockets

**Features:** Vision Pro support

**In-app purchases:** none


### Image Merger & Converter

[App page](https://appshunter.io/ios/app/image-merger-and-converter/id6774613378)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $4.99 | one-time |


## Frequently asked questions

### Is Rocket Tracker free?

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

### Is Image Merger & Converter free?

Image Merger & Converter is free to download, with in-app purchases available.

### Do Rocket Tracker or Image Merger & Converter have ads?

Neither Rocket Tracker nor Image Merger & Converter shows ads.

### Which is updated more often, Rocket Tracker or Image Merger & Converter?

Rocket Tracker ships an update every 62 months, and Image Merger & Converter every 5 days. Most recently, Rocket Tracker was updated on October 24, 2026 and Image Merger & Converter on October 14, 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.*