# 送水到府 vs Constancy

The clearest difference is update cadence: Constancy at every 10 days against 送水到府's every 3 weeks. 送水到府's advantage is iOS requirement (10.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

送水到府 ships an update every 3 weeks, Constancy every 10 days. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 送水到府 | Constancy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.2 (11 ratings)](https://appshunter.io/ios/app/id767964099/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Size | 125 MB | 46 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nongfu Spring Co., Ltd.](https://appshunter.io/developer/767964102) | [Euon Works Lab Inc](https://appshunter.io/developer/1830404633) |

## What reviewers say

### 送水到府

[App page](https://appshunter.io/ios/app/id767964099)

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

**In-app purchases:** none


### Constancy

[App page](https://appshunter.io/ios/app/constancy/id6761448974)

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

**In-app purchases:** none


## Frequently asked questions

### Is 送水到府 free?

送水到府 is free to download, with no in-app purchases.

### Is Constancy free?

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

### Do 送水到府 or Constancy have ads?

Neither 送水到府 nor Constancy shows ads.

### Which is updated more often, 送水到府 or Constancy?

送水到府 ships an update every 3 weeks, and Constancy every 10 days. Most recently, 送水到府 was updated on October 23, 2026 and Constancy on October 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.*