# e123 長青網 vs Ptt2u

The clearest difference is in-app purchases: e123 長青網 at none against Ptt2u's 2. e123 長青網 also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Ptt2u sells 2 in-app purchases, starting at $1.49 per month. e123 長青網 asks for nothing beyond the download.

e123 長青網 ships an update every 2 months, Ptt2u every 6 weeks. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | e123 長青網 | Ptt2u |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 68.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 49 MB | 65 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [The Hong Kong Society for the Aged](https://appshunter.io/developer/726998766) | [YunHsin Liang](https://appshunter.io/developer/1539593169) |

## What reviewers say

### e123 長青網

[App page](https://appshunter.io/ios/app/e123/id1468152611)

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

**In-app purchases:** none


### Ptt2u

[App page](https://appshunter.io/ios/app/ptt2u/id1539593167)

A lightweight mobile browser designed for easy access to PTT BBS content. It offers features like account memory, guest browsing, and customizable display settings for a comfortable reading experience.

**Highlights:** Account memory and auto-login, Guest browsing without an account, Hot article browsing, Customizable color schemes and font sizes, Reading history, Secure encrypted connection

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 去除廣告一個月(Auto renew) | $1.49 | per month |
| 純贊助NT130 | $3.99 | one-time |


## Frequently asked questions

### Is e123 長青網 free?

e123 長青網 is free to download, with no in-app purchases.

### Is Ptt2u free?

Ptt2u is free to download, with in-app purchases available.

### Do e123 長青網 or Ptt2u have ads?

Ptt2u shows ads; e123 長青網 does not.

### Which is updated more often, e123 長青網 or Ptt2u?

e123 長青網 ships an update every 2 months, and Ptt2u every 6 weeks. Most recently, e123 長青網 was updated on October 13, 2026 and Ptt2u on October 15, 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.*