EinvoiceViewer vs GreenFi
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
GreenFi
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GreenFi là nền tảng công nghệ tiên phong tại Việt Nam trong việc số hoá tài sản thông qua Blockchain giúp dự án gọi vốn từ cộng đồng một cách minh bạch và bền vững.
Screenshots
Verdict
The clearest difference is iOS requirement: EinvoiceViewer at 7.0 against GreenFi's 13.4. On price, update cadence, ads and in-app purchases 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.
Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.
| Parameter | EinvoiceViewer | GreenFi |
|---|---|---|
| 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 | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 7.0 — better | 13.4 |
| Further details — not scored | ||
| Size | 3 MB | 143 MB |
| Age rating | 4+ | 17+ |
| Developer | Vietnam Posts and Telecommunications Group | GREENFI TECHNOLOGY AND INVESTMENT JOINT STOCK COMPANY |
In-app purchases
EinvoiceViewer
No in-app purchases
GreenFi
No in-app purchases
