# Sinvoice vs EVN CSKH

The clearest difference is update cadence: EVN CSKH at every 11 days against Sinvoice's monthly. 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.

Sinvoice ships an update monthly, EVN CSKH every 11 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | Sinvoice | EVN CSKH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.9 (17 ratings)](https://appshunter.io/ios/app/evn-cskh/id6754793134/reviews)** |
| Number of ratings | — | **17** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 11 days** |
| Monetization | — | Free |
| Size | 100 MB | 51 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Viettel Corporation](https://appshunter.io/developer/365850426) | [VIETNAM ELECTRICITY](https://appshunter.io/developer/1273713184) |

## What reviewers say

### Sinvoice

[App page](https://appshunter.io/ios/app/sinvoice/id6480585607)

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

**In-app purchases:** none


### EVN CSKH

[App page](https://appshunter.io/ios/app/evn-cskh/id6754793134)

This mobile application provides customers of Vietnam Electricity with easy access to industry information. Users can look up and pay bills, check power outage schedules, find electrical safety information, and track electricity usage.

**Highlights:** Bill lookup and payment, Power outage schedules, Electrical safety information, Electricity usage tracking, Customer service access

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

**In-app purchases:** none


## Frequently asked questions

### Is Sinvoice free?

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

### Is EVN CSKH free?

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

### Do Sinvoice or EVN CSKH have ads?

Neither Sinvoice nor EVN CSKH shows ads.

### Which is updated more often, Sinvoice or EVN CSKH?

Sinvoice ships an update monthly, and EVN CSKH every 11 days. Most recently, Sinvoice was updated on October 30, 2026 and EVN CSKH on October 30, 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.*