EinvoiceViewer vs Navis
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EinvoiceViewer
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.
- View electronic invoices
- Store electronic invoices
- Search electronic invoices
- Manage digital billing information
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EinvoiceViewer - Sản phẩm của VNPT. Sản phẩm cho phép người dùng dịch vụ hóa đơn điện tử E-INVOICE có thể dễ dàng xem, lưu trữ, tra cứu các hóa đơn điện tử được phát hành. Thông tin về dịch vụ E-INVOICE: http://hoadondientu-vnpt.vn
Navis
This application enables remote professional monitoring and connection to industrial and civil systems. It provides a centralized platform for managing various systems efficiently.
- Remote system monitoring
- Industrial system connection
- Civil system connection
- Professional monitoring capabilities
- Centralized management
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Giúp kết nối giám sát các hệ thống công nghiệp, dân dụng từ xa chuyên nghiệp.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | EinvoiceViewer | Navis |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 2 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 3 MB | 128 MB |
| Age rating | 4+ | 12+ |
| Developer | Vietnam Posts and Telecommunications Group | Tri Nguyen Minh |
Customer experience
EinvoiceViewer
Navis
In-app purchases
EinvoiceViewer
No in-app purchases
Navis
No in-app purchases
