# TripSum vs Yonder

The clearest difference is in-app purchases: Yonder at none against TripSum's 2. Yonder also leads on device support (3 vs 1) and iOS requirement (17.0 vs 26.0). TripSum's advantage is update cadence (every 3 weeks vs every 8 months). On price and ads there is nothing between them.

Both are free to download. TripSum sells 2 in-app purchases, starting at $3.99 per month. Yonder asks for nothing beyond the download.

TripSum ships an update every 3 weeks, Yonder every 8 months. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | TripSum | Yonder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/yonder-live-flight-tracker/id6760306904/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 8 months |
| Monetization | — | Free |
| Size | 27 MB | 141 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Jacky Chan](https://appshunter.io/developer/1733836091) | [Radical Sloth](https://appshunter.io/developer/1832848408) |

## What reviewers say

### TripSum

[App page](https://appshunter.io/ios/app/tripsum/id6759676201)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TripSum Plus Monthly | $3.99 | per month |
| TripSum Plus Yearly | $29.99 | per year |


### Yonder

[App page](https://appshunter.io/ios/app/yonder-live-flight-tracker/id6760306904)

Explore the skies with a live 3D flight tracker and radar. See aircraft positions on a detailed satellite map, view flight information, and discover planes overhead. Includes airport data and Apple Watch integration.

**Highlights:** Live 3D flight tracking, Compass-based radar, Flight search by callsign/registration, 3D airport maps and data, Find aircraft overhead, Apple Watch integration

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

**In-app purchases:** none


## Frequently asked questions

### Is TripSum free?

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

### Is Yonder free?

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

### Do TripSum or Yonder have ads?

Neither TripSum nor Yonder shows ads.

### Which is updated more often, TripSum or Yonder?

TripSum ships an update every 3 weeks, and Yonder every 8 months. Most recently, TripSum was updated on October 31, 2026 and Yonder on November 5, 2026.

---

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