# eTax Mobile vs Fast Online

The clearest difference is review sentiment: Fast Online at 40% against eTax Mobile's 7%. On price, update cadence, ads and in-app purchases there is nothing between them.

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 6 days. The most recent releases landed on November 11, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | eTax Mobile | Fast Online |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.9 (253 ratings)](https://appshunter.io/ios/app/etax-mobile/id1589750682/reviews)** | — |
| Number of ratings | **253** | — |
| Positive reviews | 6.5% of reviews | **40.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 days | Every 6 days |
| Monetization | Free | Free |
| Size | 245 MB | 316 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IT Department, General Department of Taxation of Viet Nam](https://appshunter.io/developer/1589750684) | [Fast Software Joint Stock Company](https://appshunter.io/developer/1484779984) |

## What reviewers say

### eTax Mobile

[App page](https://appshunter.io/ios/app/etax-mobile/id1589750682)

This app assists taxpayers in generating personal income tax returns and checking tax settlement information. It provides suggestions based on tax authority data and supports notifications for tax obligations.

**Highlights:** Generate personal income tax returns, Lookup tax settlement information, Receive tax obligation notifications, Utilize tax authority data, Supports current year tax lookup

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

**In-app purchases:** none


### Fast Online

[App page](https://appshunter.io/ios/app/fast-online/id6741755277)

This comprehensive ERP solution streamlines business operations across finance, inventory, production, HR, and CRM. The mobile app provides convenient access to reports, approvals, and order creation on the go, enhancing business management flexibility.

**Highlights:** Financial accounting, Purchasing and inventory management, Production management, Human resource management, Customer relationship management, View reports, Approve requests, Create orders

**In-app purchases:** none


## Frequently asked questions

### Is eTax Mobile free?

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

### Is Fast Online free?

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

### Do eTax Mobile or Fast Online have ads?

Neither eTax Mobile nor Fast Online shows ads.

### Which is updated more often, eTax Mobile or Fast Online?

eTax Mobile ships an update every 6 days, and Fast Online every 6 days. Most recently, eTax Mobile was updated on November 11, 2026 and Fast Online on October 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.*