# eContract vs Dịch vụ nước

The clearest difference is update cadence: eContract at every 3 weeks against Dịch vụ nước's every 18 months. eContract also leads on device support and iOS requirement (13.0 vs 16.4). On price and in-app purchases there is nothing between them.

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

eContract ships an update every 3 weeks, Dịch vụ nước every 18 months. The most recent releases landed on September 16, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | eContract | Dịch vụ nước |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/dich-vu-nuoc/id6450920159/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 3 weeks** | Every 18 months |
| Monetization | — | Free |
| Size | 104 MB | 28 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Vietnam Posts and Telecommunications Group](https://appshunter.io/developer/1215567249) | [WATER SERVICE SOLUTION TECHNOLOGY JOINT STOCK COMPANY](https://appshunter.io/developer/1695700110) |

## What reviewers say

### eContract

[App page](https://appshunter.io/ios/app/econtract/id1583922938)

**Features:** macOS Compatibility

**In-app purchases:** none


### Dịch vụ nước

[App page](https://appshunter.io/ios/app/dich-vu-nuoc/id6450920159)

Easily look up your water bills and contracts. Access payment information and details about water quality. This utility app provides essential information for managing your water services.

**Highlights:** Bill lookup, Contract lookup, Payment information, Water quality details

**In-app purchases:** none


## Frequently asked questions

### Is eContract free?

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

### Is Dịch vụ nước free?

Dịch vụ nước is free to download, with no in-app purchases.

### Which is updated more often, eContract or Dịch vụ nước?

eContract ships an update every 3 weeks, and Dịch vụ nước every 18 months. Most recently, eContract was updated on September 16, 2026 and Dịch vụ nước on September 15, 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.*