# FlightMemo vs Trace World

The clearest difference is update cadence: FlightMemo at every 3 days against Trace World's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. FlightMemo sells 2 in-app purchases, starting at $0.99 per month and Trace World sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

FlightMemo ships an update every 3 days, Trace World weekly. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | FlightMemo | Trace World |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/trace-world/id6776691961/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 90.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | — | Free |
| Size | 44 MB | 96 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [兆安 陆](https://appshunter.io/developer/6776062935) | [高锋 李](https://appshunter.io/developer/1890206271) |

## What reviewers say

### FlightMemo

[App page](https://appshunter.io/ios/app/flightmemo/id6776077626)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FlightMemo Pro Monthly | $0.99 | per month |
| FlightMemo Pro Yearly | $9.99 | per year |


### Trace World

[App page](https://appshunter.io/ios/app/trace-world/id6776691961)

This app creates a personal exploration map that reveals areas as you travel through the real world. Your visited locations are saved locally, and you can customize your recent path. It offers different map styles and prioritizes user privacy with no account or data uploads.

**Highlights:** Exploration map reveals visited areas, Recent track customization, Auto-recording for travel, Exploration level progression, Multiple map styles, Privacy-first design, no account needed

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TraceWorld Pro | $3.99 | one-time |


## Frequently asked questions

### Is FlightMemo free?

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

### Is Trace World free?

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

### Do FlightMemo or Trace World have ads?

Neither FlightMemo nor Trace World shows ads.

### Which is updated more often, FlightMemo or Trace World?

FlightMemo ships an update every 3 days, and Trace World weekly. Most recently, FlightMemo was updated on September 10, 2026 and Trace World on September 22, 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.*