EinvoiceViewer vs GPS 4G
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
GPS 4G
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Với ứng dụng này, bạn có thể: - Quản lý, giám sát phương tiện, tài sản hiệu quả - Giám sát theo thời gian thực, 24/7 - Nhận thông báo theo sự kiện cài đặt - Xem lại lịch sử hoạt động của phương tiện
Screenshots
Verdict
The clearest difference is update cadence: EinvoiceViewer at every 2 weeks against GPS 4G's every 7 months. EinvoiceViewer also leads on iOS requirement (7.0 vs 13.0). On price, ads, in-app purchases and device support 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.
EinvoiceViewer ships an update every 2 weeks, GPS 4G every 7 months. The most recent releases landed on October 3, 2026 and September 28, 2026 respectively.
| Parameter | EinvoiceViewer | GPS 4G |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 3 MB | 99 MB |
| Age rating | 4+ | 17+ |
| Developer | Vietnam Posts and Telecommunications Group | Phu Nguyen |
In-app purchases
EinvoiceViewer
No in-app purchases
GPS 4G
No in-app purchases
