# eSIM vs Flight Tracker

The clearest difference is in-app purchases: eSIM at none against Flight Tracker's 7. eSIM also leads on device support (3 vs 1). Flight Tracker's advantage is update cadence (every 4 days vs every 9 days). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Flight Tracker sells 7 in-app purchases, starting at $4.99 per 7 days. eSIM asks for nothing beyond the download.

eSIM ships an update every 9 days, Flight Tracker every 4 days. Both last shipped on October 27, 2026.

## The numbers

| Metric | eSIM | Flight Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (46 ratings)](https://appshunter.io/ios/app/flight-tracker-live-radar/id6670691141/reviews)** |
| Number of ratings | — | **46** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | — | Subscription |
| Size | 69 MB | 13 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SIHEL PTE LTD](https://appshunter.io/developer/1710522265) | [Myroslava Pavlyuk](https://appshunter.io/developer/1836643145) |

## What reviewers say

### eSIM

[App page](https://appshunter.io/ios/app/esim-on/id6468767003)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Flight Tracker

[App page](https://appshunter.io/ios/app/flight-tracker-live-radar/id6670691141)

Track flights in real-time with live updates on departures, arrivals, and delays. Access schedules and airport information to stay informed about your travel plans. Features interactive maps for flight path visualization and personalized notifications.

**Highlights:** Real-time flight updates, Flight schedules, Interactive flight radar maps, Personalized flight alerts, Airport information, Departure and arrival tracking

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flight Tracker | $4.99 | per 7 days |
| Flight Tracker | $6.99 | per 7 days |
| Flight Tracker | $9.99 | per year |
| Flight Tracker | $19.99 | per year |
| Flight Tracker | $29.99 | per year |
| Flight Tracker | $29.99 | per year |
| Flight Tracker | $39.99 | per year |


## Frequently asked questions

### Is eSIM free?

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

### Is Flight Tracker free?

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

### Do eSIM or Flight Tracker have ads?

Neither eSIM nor Flight Tracker shows ads.

### Which is updated more often, eSIM or Flight Tracker?

eSIM ships an update every 9 days, and Flight Tracker every 4 days. Most recently, eSIM was updated on October 27, 2026 and Flight Tracker on October 27, 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.*