# Nautical Ship Flags vs ChartScope

The clearest difference is update cadence: Nautical Ship Flags at every 3 weeks against ChartScope's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Nautical Ship Flags sells 2 in-app purchases, starting at $0.99 per 7 days and ChartScope sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Nautical Ship Flags ships an update every 3 weeks, ChartScope every 6 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Nautical Ship Flags | ChartScope |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (15 ratings)](https://appshunter.io/ios/app/nautical-ship-flags/id6737554146/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 4 MB |
| Requires iOS | **15.2** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stanislav Cekunov](https://appshunter.io/developer/1085076843) | [DRAGOS NICOLAE LUPU](https://appshunter.io/developer/1854911630) |

## What reviewers say

### Nautical Ship Flags

[App page](https://appshunter.io/ios/app/nautical-ship-flags/id6737554146)

Explore maritime signal codes and Morse code with interactive quizzes and detailed flag information. Track your learning progress with an analytics view and practice signaling using your phone's flashlight. This app offers full offline functionality for continuous learning.

**Highlights:** Interactive quizzes, Flag details and reference, Flashlight Morse signaling, Progress tracking, Offline functionality, Analytics view

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Lifetime | $2.99 | one-time |


### ChartScope

[App page](https://appshunter.io/ios/app/chartscope/id6757865711)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Annual | $39.99 | per year |


## Frequently asked questions

### Is Nautical Ship Flags free?

Nautical Ship Flags is free to download, with in-app purchases available.

### Is ChartScope free?

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

### Do Nautical Ship Flags or ChartScope have ads?

Neither Nautical Ship Flags nor ChartScope shows ads.

### Which is updated more often, Nautical Ship Flags or ChartScope?

Nautical Ship Flags ships an update every 3 weeks, and ChartScope every 6 weeks. Most recently, Nautical Ship Flags was updated on October 24, 2026 and ChartScope on October 25, 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.*