# PttX vs iPTT 時光機

The clearest difference is in-app purchases: iPTT 時光機 at none against PttX's 2. iPTT 時光機 also leads on update cadence (every 4 days vs every 3 weeks). PttX's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. PttX sells 2 in-app purchases, starting at $1.99 per month. iPTT 時光機 asks for nothing beyond the download.

PttX ships an update every 3 weeks, iPTT 時光機 every 4 days. The most recent releases landed on September 22, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | PttX | iPTT 時光機 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (15 ratings)](https://appshunter.io/ios/app/pttx-ptt/id1625834709/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 90 MB | 34 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 17+ |
| Developer | [kaiyuan chen](https://appshunter.io/developer/1625834711) | [Yuan-Yi Chang](https://appshunter.io/developer/784363421) |

## What reviewers say

### PttX

[App page](https://appshunter.io/ios/app/pttx-ptt/id1625834709)

Access and read PTT forums offline, even without an account. Features include full-site search, customizable blacklists and keyword filters, and the ability to save posts and reading history. It also supports multiple accounts and advanced editing options.

**Highlights:** Offline PTT reading, Full-site search, Blacklist and keyword filters, Save posts and history, Multi-account support, ASCII color editing

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 移除廣告1個月(自動續訂) | $1.99 | per month |
| 贊助作者 | $0.99 | one-time |


### iPTT 時光機

[App page](https://appshunter.io/ios/app/iptt/id6787298124)

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

**In-app purchases:** none


## Frequently asked questions

### Is PttX free?

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

### Is iPTT 時光機 free?

iPTT 時光機 is free to download, with no in-app purchases.

### Do PttX or iPTT 時光機 have ads?

Neither PttX nor iPTT 時光機 shows ads.

### Which is updated more often, PttX or iPTT 時光機?

PttX ships an update every 3 weeks, and iPTT 時光機 every 4 days. Most recently, PttX was updated on September 22, 2026 and iPTT 時光機 on September 11, 2026.

---

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