# Rocket Tracker vs Rocket Calculator

The clearest difference is in-app purchases: Rocket Tracker at none against Rocket Calculator's 1. Rocket Tracker also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). Rocket Calculator's advantage is update cadence (weekly vs every 62 months). On price and ads there is nothing between them.

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

Rocket Tracker ships an update every 62 months, Rocket Calculator weekly. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Rocket Tracker | Rocket Calculator |
| --- | --- | --- |
| 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 | **Weekly** |
| Monetization | Free | — |
| Size | 11 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jakob Adams](https://appshunter.io/developer/1268480296) | [毅 王](https://appshunter.io/developer/6774631380) |

## 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


### Rocket Calculator

[App page](https://appshunter.io/ios/app/rocket-calculator-apogeefield/id6778329350)

**Features:** macOS Compatibility

**In-app purchases (1)**

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


## Frequently asked questions

### Is Rocket Tracker free?

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

### Is Rocket Calculator free?

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

### Do Rocket Tracker or Rocket Calculator have ads?

Neither Rocket Tracker nor Rocket Calculator shows ads.

### Which is updated more often, Rocket Tracker or Rocket Calculator?

Rocket Tracker ships an update every 62 months, and Rocket Calculator weekly. Most recently, Rocket Tracker was updated on October 16, 2026 and Rocket Calculator on October 17, 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.*