# Acronyms & Definitions vs Pirates

The clearest difference is in-app purchases: Acronyms & Definitions at none against Pirates's 3. Acronyms & Definitions also leads on device support (3 vs 1). Pirates's advantage is update cadence (every 4 days vs every 2 months). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Pirates sells 3 in-app purchases, starting at $3.99 per month. Acronyms & Definitions asks for nothing beyond the download.

Acronyms & Definitions ships an update every 2 months, Pirates every 4 days. The most recent releases landed on October 9, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Acronyms & Definitions | Pirates |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (12 ratings)](https://appshunter.io/ios/app/pirates-cat-pomodoro-timer/id6787769872/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 160 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nikolay Vysochin](https://appshunter.io/developer/1388383089) | [John Jang](https://appshunter.io/developer/1857417631) |

## What reviewers say

### Acronyms & Definitions

[App page](https://appshunter.io/ios/app/acronyms-and-definitions/id6741889596)

**In-app purchases:** none


### Pirates

[App page](https://appshunter.io/ios/app/pirates-cat-pomodoro-timer/id6787769872)

Take back control of your time by blocking distracting apps and websites. Utilize a focus timer with custom soundscapes to enhance productivity. Enjoy a fun, engaging experience with unique characters and ships while gaining clear insights into your progress.

**Highlights:** App and website blocking, Focus timer with Pomodoro, Customizable soundscapes, Engaging character and ship designs, On-device blocking via Screen Time API, Progress insights

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Annual | $19.99 | per year |
| Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Acronyms & Definitions free?

Acronyms & Definitions is free to download, with no in-app purchases.

### Is Pirates free?

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

### Do Acronyms & Definitions or Pirates have ads?

Neither Acronyms & Definitions nor Pirates shows ads.

### Which is updated more often, Acronyms & Definitions or Pirates?

Acronyms & Definitions ships an update every 2 months, and Pirates every 4 days. Most recently, Acronyms & Definitions was updated on October 9, 2026 and Pirates on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*