# Annual Conventions vs Advanced Maritime Technology

Annual Conventions and Advanced Maritime Technology are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Annual Conventions ships an update every 9 days, Advanced Maritime Technology every 8 days. The most recent releases landed on September 19, 2026 and August 28, 2026 respectively.

## The numbers

| Metric | Annual Conventions | Advanced Maritime Technology |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 8 days** |
| Size | 145 MB | 141 MB |
| Requires iOS | 17.4 | 17.4 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Leaseurope AISBL](https://appshunter.io/developer/1421195945) | [UKi Media & Events](https://appshunter.io/developer/1222525440) |

## What reviewers say

### Annual Conventions

[App page](https://appshunter.io/ios/app/annual-conventions/id6466036760)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Annual Conventions free?

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

### Is Advanced Maritime Technology free?

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

### Do Annual Conventions or Advanced Maritime Technology have ads?

Neither Annual Conventions nor Advanced Maritime Technology shows ads.

### Which is updated more often, Annual Conventions or Advanced Maritime Technology?

Annual Conventions ships an update every 9 days, and Advanced Maritime Technology every 8 days. Most recently, Annual Conventions was updated on September 19, 2026 and Advanced Maritime Technology on August 28, 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.*