# MarTEL Vocabulary Accelerator vs STCW Basic Safety Training

The clearest difference is update cadence: STCW Basic Safety Training at every 4 days against MarTEL Vocabulary Accelerator's every 3 months. STCW Basic Safety Training also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.2). On price, ads and in-app purchases there is nothing between them.

Both are free to download. MarTEL Vocabulary Accelerator sells 2 in-app purchases, starting at $9.99 per month and STCW Basic Safety Training sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

MarTEL Vocabulary Accelerator ships an update every 3 months, STCW Basic Safety Training every 4 days. The most recent releases landed on September 9, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | MarTEL Vocabulary Accelerator | STCW Basic Safety Training |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 9 MB | 25 MB |
| Requires iOS | 17.2 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) | [FLY SKY PTY LTD](https://appshunter.io/developer/1838696534) |

## What reviewers say

### MarTEL Vocabulary Accelerator

[App page](https://appshunter.io/ios/app/martel-vocabulary-accelerator/id6740252841)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $9.99 | per month |
| Lifetime version | $24.99 | one-time |


### STCW Basic Safety Training

[App page](https://appshunter.io/ios/app/stcw-basic-safety-training/id6774033893)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Access | $4.99 | one-time |


## Frequently asked questions

### Is MarTEL Vocabulary Accelerator free?

MarTEL Vocabulary Accelerator is free to download, with in-app purchases available.

### Is STCW Basic Safety Training free?

STCW Basic Safety Training is free to download, with in-app purchases available.

### Do MarTEL Vocabulary Accelerator or STCW Basic Safety Training have ads?

Neither MarTEL Vocabulary Accelerator nor STCW Basic Safety Training shows ads.

### Which is updated more often, MarTEL Vocabulary Accelerator or STCW Basic Safety Training?

MarTEL Vocabulary Accelerator ships an update every 3 months, and STCW Basic Safety Training every 4 days. Most recently, MarTEL Vocabulary Accelerator was updated on September 9, 2026 and STCW Basic Safety Training on September 20, 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.*