# A vs PTT

The clearest difference is in-app purchases: PTT at none against A's 2. PTT also leads on rating (4.8 vs 4.5) and review sentiment (58% vs 38%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. A sells 2 in-app purchases, starting at $99.99 per month. PTT asks for nothing beyond the download.

PTT holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 20 and 28 respectively. Written reviews point the same way: 38% of A's written reviews are positive against 58% of PTT's.

A ships an update every 9 days, PTT weekly. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | A | PTT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (20 ratings)](https://appshunter.io/ios/app/a-pen/id1434492280/reviews) | **[4.8 (28 ratings)](https://appshunter.io/ios/app/ptt-meowptt/id1542440892/reviews)** |
| Number of ratings | 20 | **28** |
| Positive reviews | 38.0% of reviews | **57.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Freemium | **Free** |
| Size | 70 MB | 80 MB |
| Requires iOS | 17.2 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Penpeer Ltd.](https://appshunter.io/developer/1711839113) | [Kaiyuan Chen](https://appshunter.io/developer/1515225003) |

## What reviewers say

### A

[App page](https://appshunter.io/ios/app/a-pen/id1434492280)

This platform connects doctors in Taiwan, offering AI-summarized medical journals, curated lectures, and networking opportunities. Users can engage in discussions anonymously or with their real names and complete tasks for rewards.

**Highlights:** Doctor recruitment and networking hub, AI-generated medical journal summaries, Online and in-person physician lectures, Anonymous or real-name interaction, Weekly missions for rewards, Industry news and career advice

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A-Pen 徵才功能訂閱制（月） | $99.99 | per month |
| A-Pen 徵才功能訂閱制（月） | $99.99 | per month |


### PTT

[App page](https://appshunter.io/ios/app/ptt-meowptt/id1542440892)

This app offers a comprehensive browsing experience for PTT, a popular Taiwanese online forum. It allows users to register new accounts, browse without logging in, and utilize features like a color editor, post saving, and a blacklist.

**Highlights:** Complete PTT browsing experience, Register new PTT accounts, Browse PTT without login, ASCII color editor support, Save posts, Blacklist functionality, Continuous posting

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

**In-app purchases:** none


## Frequently asked questions

### Is A free?

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

### Is PTT free?

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

### Which has better reviews, A or PTT?

PTT is rated higher. A averages 4.5 out of 5 from 20 ratings, while PTT averages 4.8 from 28 ratings.

### Do A or PTT have ads?

Neither A nor PTT shows ads.

### Which is updated more often, A or PTT?

A ships an update every 9 days, and PTT weekly. Most recently, A was updated on November 6, 2026 and PTT on November 7, 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.*