# nthLink vs PDF转换器

The clearest difference is in-app purchases: nthLink at none against PDF转换器's 3. PDF转换器's advantage is iOS requirement (11.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PDF转换器 sells 3 in-app purchases, starting at $1.49 per month. nthLink asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 11, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | nthLink | PDF转换器 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (1.7K ratings)](https://appshunter.io/ios/app/nthlink/id1467297604/reviews)** | — |
| Number of ratings | **1.7K** | — |
| Positive reviews | 54.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | — |
| Size | 35 MB | 26 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [nthLink](https://appshunter.io/developer/1467297603) | [兆莉 刘](https://appshunter.io/developer/1510093666) |

## What reviewers say

### nthLink

[App page](https://appshunter.io/ios/app/nthlink/id1467297604)

This application offers secure and private VPN connectivity with strong encryption. It prioritizes user privacy by minimizing data collection and never storing or transmitting sensitive information. Enjoy a stable and reliable internet connection with a simple, one-tap setup.

**Highlights:** Secure and stable VPN connection, Strong encryption for data protection, Minimal data collection and no logging, One-tap setup and automatic connection recovery, Enhanced user privacy and security

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and stable connection
- 🔒 Secure and private
- 👍 Easy to use
- 💰 Free to use

**What reviewers complain about**

- 🐛 Unreliable connection
- ⚠️ Stopped working after updates
- 🔌 High battery consumption
- 🕰️ Slow speeds

**Reported bugs**

- Crashes on launch
- Stuck at 10% connection
- Incompatible with latest iOS/Android versions

**Requested features**

- More server locations
- Manual server selection
- Kill switch
- Improved compatibility with mobile data


### PDF转换器

[App page](https://appshunter.io/ios/app/pdf/id1523202740)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $1.49 | per month |
| 连续包年 | $9.49 | per year |
| 永久 | $19.99 | one-time |


## Frequently asked questions

### Is nthLink free?

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

### Is PDF转换器 free?

PDF转换器 is free to download, with in-app purchases available.

### Do nthLink or PDF转换器 have ads?

Neither nthLink nor PDF转换器 shows ads.

### Which is updated more often, nthLink or PDF转换器?

nthLink ships an update monthly, and PDF转换器 monthly. Most recently, nthLink was updated on November 11, 2026 and PDF转换器 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.*