# Off 2 vs Stacky

Off 2 and Stacky are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Off 2 sells 1 one-off in-app purchase and Stacky sells 3 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

Off 2 ships an update every 6 days, Stacky every 4 days. The most recent releases landed on September 30, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Off 2 | Stacky |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 61.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 4 days** |
| Monetization | Paid | — |
| Size | 188 MB | 47 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Philippe Le Gall](https://appshunter.io/developer/1004932800) | [Stacky Technologies](https://appshunter.io/developer/6778837622) |

## What reviewers say

### Off 2

[App page](https://appshunter.io/ios/app/off-2-offline-flight-tracker/id6756080778)

Track your flight in real-time, even without an internet connection, using your device's GPS and barometer. Scan your boarding pass to automatically fill in flight details and share your progress with others. Offers advanced features like pilot mode and an aircraft database for aviation enthusiasts.

**Highlights:** Offline real-time flight tracking, Boarding pass scanning, Live flight sharing, Apple Watch complication, Live Activities integration, Multi-sector itinerary planning, Peer chat via Bluetooth/WiFi

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pilot Mode | $2.99 | one-time |


### Stacky

[App page](https://appshunter.io/ios/app/stacky-flight-tracker-and-trips/id6778837620)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stacky Premium | $8.99 | per month |
| Stacky Premium | $69.99 | per year |
| Trip Pass | $6.99 | one-time |


## Frequently asked questions

### Is Off 2 free?

Off 2 is free to download, with in-app purchases available.

### Is Stacky free?

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

### Do Off 2 or Stacky have ads?

Neither Off 2 nor Stacky shows ads.

### Which is updated more often, Off 2 or Stacky?

Off 2 ships an update every 6 days, and Stacky every 4 days. Most recently, Off 2 was updated on September 30, 2026 and Stacky on September 28, 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.*