# EinvoiceViewer vs Notes Ghi Chú

The clearest difference is update cadence: Notes Ghi Chú at daily against EinvoiceViewer's every 2 weeks. EinvoiceViewer's advantage is iOS requirement (7.0 vs 15.0). 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.

EinvoiceViewer ships an update every 2 weeks, Notes Ghi Chú daily. The most recent releases landed on October 3, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | EinvoiceViewer | Notes Ghi Chú |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/einvoiceviewer/id878832797/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free | — |
| Size | 3 MB | 26 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vietnam Posts and Telecommunications Group](https://appshunter.io/developer/1215567249) | [Phan Quang Thuan](https://appshunter.io/developer/6785800534) |

## What reviewers say

### EinvoiceViewer

[App page](https://appshunter.io/ios/app/einvoiceviewer/id878832797)

This application allows users of the E-INVOICE electronic billing service to easily view, store, and search for issued electronic invoices. It provides a convenient way to manage your digital billing information.

**Highlights:** View electronic invoices, Store electronic invoices, Search electronic invoices, Manage digital billing information

**Features:** macOS Compatibility

**In-app purchases:** none


### Notes Ghi Chú

[App page](https://appshunter.io/ios/app/notes-ghi-chu/id6814452732)

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

**In-app purchases:** none


## Frequently asked questions

### Is EinvoiceViewer free?

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

### Is Notes Ghi Chú free?

Notes Ghi Chú is free to download, with no in-app purchases.

### Do EinvoiceViewer or Notes Ghi Chú have ads?

Neither EinvoiceViewer nor Notes Ghi Chú shows ads.

### Which is updated more often, EinvoiceViewer or Notes Ghi Chú?

EinvoiceViewer ships an update every 2 weeks, and Notes Ghi Chú daily. Most recently, EinvoiceViewer was updated on October 3, 2026 and Notes Ghi Chú on September 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.*