# Tralendr vs Off 2

The clearest difference is in-app purchases: Tralendr at none against Off 2's 1. Off 2's advantage is update cadence (every 6 days vs every 3 weeks) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Off 2 sells 1 one-off in-app purchase. Tralendr asks for nothing beyond the download.

Tralendr ships an update every 3 weeks, Off 2 every 6 days. The most recent releases landed on October 15, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Tralendr | Off 2 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 61.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | — | Paid |
| Size | 36 MB | 188 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [TRALENDAR TECHNOLOGY LIMITED](https://appshunter.io/developer/1787121686) | [Philippe Le Gall](https://appshunter.io/developer/1004932800) |

## What reviewers say

### Tralendr

[App page](https://appshunter.io/ios/app/tralendr/id6739803723)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Tralendr free?

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

### Is Off 2 free?

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

### Do Tralendr or Off 2 have ads?

Neither Tralendr nor Off 2 shows ads.

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

Tralendr ships an update every 3 weeks, and Off 2 every 6 days. Most recently, Tralendr was updated on October 15, 2026 and Off 2 on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*