# Advanced Maritime Technology vs Memphemera

The clearest difference is in-app purchases: Advanced Maritime Technology at none against Memphemera's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Memphemera sells 2 in-app purchases, starting at $0.99 per month. Advanced Maritime Technology asks for nothing beyond the download.

## The numbers

| Metric | Advanced Maritime Technology | Memphemera |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Size | 141 MB | 3 MB |
| Requires iOS | 17.4 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 17+ |
| Developer | [UKi Media & Events](https://appshunter.io/developer/1222525440) | [Ian Robson](https://appshunter.io/developer/1797275135) |

## What reviewers say

### Advanced Maritime Technology

[App page](https://appshunter.io/ios/app/advanced-maritime-technology/id6746771996)

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

**In-app purchases:** none


### Memphemera

[App page](https://appshunter.io/ios/app/memphemera/id6748815303)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $0.99 | per month |
| Pro Annual | $7.99 | per year |


## Frequently asked questions

### Is Advanced Maritime Technology free?

Advanced Maritime Technology is free to download, with no in-app purchases.

### Is Memphemera free?

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

### Do Advanced Maritime Technology or Memphemera have ads?

Neither Advanced Maritime Technology nor Memphemera shows ads.

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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.*