# EinvoiceViewer vs Navis

The clearest difference is iOS requirement: EinvoiceViewer at 7.0 against Navis's 15.0. On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for EinvoiceViewer against 5.0 for Navis. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

EinvoiceViewer ships an update every 2 weeks, Navis weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | EinvoiceViewer | Navis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/einvoiceviewer/id878832797/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/navis-smart-industry/id1542793174/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free | Free |
| Size | 3 MB | 128 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Vietnam Posts and Telecommunications Group](https://appshunter.io/developer/1215567249) | [Tri Nguyen Minh](https://appshunter.io/developer/1542793356) |

## 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


### Navis

[App page](https://appshunter.io/ios/app/navis-smart-industry/id1542793174)

This application enables remote professional monitoring and connection to industrial and civil systems. It provides a centralized platform for managing various systems efficiently.

**Highlights:** Remote system monitoring, Industrial system connection, Civil system connection, Professional monitoring capabilities, Centralized management

**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 Navis free?

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

### Which has better reviews, EinvoiceViewer or Navis?

EinvoiceViewer and Navis are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do EinvoiceViewer or Navis have ads?

Neither EinvoiceViewer nor Navis shows ads.

### Which is updated more often, EinvoiceViewer or Navis?

EinvoiceViewer ships an update every 2 weeks, and Navis weekly. Most recently, EinvoiceViewer was updated on October 24, 2026 and Navis on October 24, 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.*