# POP趋势 vs TieYulan

The clearest difference is in-app purchases: POP趋势 at none against TieYulan's 1. POP趋势 also leads on iOS requirement (11.0 vs 13.0). TieYulan's advantage is ads (none vs shown) and update cadence (every 9 days vs every 5 weeks). On price and device support there is nothing between them.

Both are free to download. TieYulan sells 1 one-off in-app purchase. POP趋势 asks for nothing beyond the download.

POP趋势 ships an update every 5 weeks, TieYulan every 9 days. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | POP趋势 | TieYulan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Size | 57 MB | 27 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [上海逸尚信息咨询有限公司](https://appshunter.io/developer/1019097911) | [春华 兰](https://appshunter.io/developer/1869338884) |

## What reviewers say

### POP趋势

[App page](https://appshunter.io/ios/app/pop/id1476036454)

**In-app purchases:** none


### TieYulan

[App page](https://appshunter.io/ios/app/tieyulan/id6757894231)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 AI Generation Credits | $24.99 | one-time |


## Frequently asked questions

### Is POP趋势 free?

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

### Is TieYulan free?

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

### Do POP趋势 or TieYulan have ads?

POP趋势 shows ads; TieYulan does not.

### Which is updated more often, POP趋势 or TieYulan?

POP趋势 ships an update every 5 weeks, and TieYulan every 9 days. Most recently, POP趋势 was updated on October 29, 2026 and TieYulan on October 24, 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.*