# CaliUp (Legacy) vs Aufwind Glider Tracker

The clearest difference is iOS requirement: CaliUp (Legacy) at 12.0 against Aufwind Glider Tracker's 14.0. 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.

CaliUp (Legacy) ships an update fortnightly, Aufwind Glider Tracker weekly. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | CaliUp (Legacy) | Aufwind Glider Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (100 ratings)](https://appshunter.io/ios/app/aufwind-glider-tracker/id1526313985/reviews)** |
| Number of ratings | — | **100** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | — | Free |
| Size | 24 MB | 2 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MICHELE BOMBARDI](https://appshunter.io/developer/1156097581) | [Fifteen Jugglers Software UG](https://appshunter.io/developer/292972357) |

## What reviewers say

### CaliUp (Legacy)

[App page](https://appshunter.io/ios/app/caliup-legacy/id1279832080)

**In-app purchases:** none


### Aufwind Glider Tracker

[App page](https://appshunter.io/ios/app/aufwind-glider-tracker/id1526313985)

Visualize gliders and aircraft with Flarm devices in your vicinity. Access live data from the OGN tracking system to stay informed about air traffic.

**Highlights:** Live OGN tracking data, See nearby gliders, View aircraft with Flarm, Real-time flight information

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CaliUp (Legacy) free?

CaliUp (Legacy) is free to download, with no in-app purchases.

### Is Aufwind Glider Tracker free?

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

### Do CaliUp (Legacy) or Aufwind Glider Tracker have ads?

Neither CaliUp (Legacy) nor Aufwind Glider Tracker shows ads.

### Which is updated more often, CaliUp (Legacy) or Aufwind Glider Tracker?

CaliUp (Legacy) ships an update fortnightly, and Aufwind Glider Tracker weekly. Most recently, CaliUp (Legacy) was updated on October 11, 2026 and Aufwind Glider Tracker on October 9, 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.*