# 四维指房宝 vs smartoo

四维指房宝 and smartoo are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

四维指房宝 ships an update every 4 months, smartoo every 3 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | 四维指房宝 | smartoo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Size | 210 MB | 26 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [然福 刘](https://appshunter.io/developer/1533572691) | [Keeson Technology Corporation Limited](https://appshunter.io/developer/1561275126) |

## What reviewers say

### 四维指房宝

[App page](https://appshunter.io/ios/app/id1590534521)

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

**In-app purchases:** none


### smartoo

[App page](https://appshunter.io/ios/app/smartoo/id6736896125)

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

**In-app purchases:** none


## Frequently asked questions

### Is 四维指房宝 free?

四维指房宝 is free to download, with no in-app purchases.

### Is smartoo free?

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

### Do 四维指房宝 or smartoo have ads?

Neither 四维指房宝 nor smartoo shows ads.

### Which is updated more often, 四维指房宝 or smartoo?

四维指房宝 ships an update every 4 months, and smartoo every 3 months. Most recently, 四维指房宝 was updated on October 25, 2026 and smartoo on October 25, 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.*