# Massan vs StackTrack

The clearest difference is iOS requirement: StackTrack at 15.1 against Massan's 17.5. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Massan ships an update monthly, StackTrack every 3 weeks. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Massan | StackTrack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/stacktrack-crw/id6769865126/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 20 MB | 69 MB |
| Requires iOS | 17.5 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Marco Savini](https://appshunter.io/developer/338470785) | [Peter Fetros](https://appshunter.io/developer/1896694923) |

## What reviewers say

### Massan

[App page](https://appshunter.io/ios/app/massan/id1577904866)

**Features:** macOS Compatibility

**In-app purchases:** none


### StackTrack

[App page](https://appshunter.io/ios/app/stacktrack-crw/id6769865126)

This app calculates the optimal exit point for CRW jumps using real-time winds aloft data. It provides an interactive map with flight paths and altitude markers, allowing users to fine-tune their jump run and plan ahead with forecast mode.

**Highlights:** Real-time winds aloft data, Interactive satellite map, Flight path and exit point visualization, Lateral and along-track offset sliders, Winds aloft table, Forecast mode, Unit and speed unit support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Massan free?

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

### Is StackTrack free?

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

### Do Massan or StackTrack have ads?

Neither Massan nor StackTrack shows ads.

### Which is updated more often, Massan or StackTrack?

Massan ships an update monthly, and StackTrack every 3 weeks. Most recently, Massan was updated on October 1, 2026 and StackTrack on October 5, 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.*