# 虚空济 vs Seen Matters

The clearest difference is in-app purchases: Seen Matters at none against 虚空济's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 虚空济 sells 3 one-off in-app purchases. Seen Matters asks for nothing beyond the download.

虚空济 ships an update weekly, Seen Matters fortnightly. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 虚空济 | Seen Matters |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/id1505471798/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Size | 8 MB | 20 MB |
| Requires iOS | 16 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [山东元智文化传播有限公司](https://appshunter.io/developer/1505471797) | [Spot On Technologies Pty Ltd](https://appshunter.io/developer/1839595270) |

## What reviewers say

### 虚空济

[App page](https://appshunter.io/ios/app/id1505471798)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6个月会员 | $49.99 | one-time |
| 12个月会员 | $79.99 | one-time |
| 36个月会员 | $229.99 | one-time |


### Seen Matters

[App page](https://appshunter.io/ios/app/seen-matters/id6757792736)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 虚空济 free?

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

### Is Seen Matters free?

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

### Do 虚空济 or Seen Matters have ads?

Neither 虚空济 nor Seen Matters shows ads.

### Which is updated more often, 虚空济 or Seen Matters?

虚空济 ships an update weekly, and Seen Matters fortnightly. Most recently, 虚空济 was updated on October 29, 2026 and Seen Matters on October 28, 2026.

---

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