# eTax Mobile vs THIET THACH

The clearest difference is review sentiment: THIET THACH at 60% against eTax Mobile's 6%. THIET THACH also leads on rating (5.0 vs 1.9). eTax Mobile's advantage is ratings volume (236 vs 1) and update cadence (weekly vs monthly). On price, ads, in-app purchases and monetization model there is nothing between them.

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

THIET THACH holds the better App Store score, 5.0 against 1.9. That said, the two scores are not equally well evidenced: eTax Mobile has 236 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 6% of eTax Mobile's written reviews are positive against 60% of THIET THACH's.

eTax Mobile ships an update weekly, THIET THACH monthly. The most recent releases landed on October 20, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | eTax Mobile | THIET THACH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (236 ratings)](https://appshunter.io/ios/app/etax-mobile/id1589750682/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/thiet-thach/id1610695962/reviews)** |
| Number of ratings | **236** | 1 |
| Positive reviews | 6.3% of reviews | **60.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free | Free |
| Size | 242 MB | 41 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [IT Department, General Department of Taxation of Viet Nam](https://appshunter.io/developer/1589750684) | [THIET THACH Group](https://appshunter.io/developer/1610695964) |

## What reviewers say

### eTax Mobile

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

This app allows users to create personal income tax declarations and look up tax settlement information. It provides suggestions based on tax authority data and offers notifications for tax obligations and other important updates.

**Highlights:** Create 02/QTT-TNCN tax declarations, Tax settlement information lookup, Suggestions from tax authority data, Notifications for tax obligation changes, Notifications for other updates

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

**In-app purchases:** none


### THIET THACH

[App page](https://appshunter.io/ios/app/thiet-thach/id1610695962)

This app assists first-time homeowners in planning and managing their home construction projects. It offers a library of design templates, practical building experience videos, and a tool to estimate construction costs per square meter. Connect directly with engineers and architects for online consultations and project management.

**Highlights:** Extensive home design template library, Video library for building experience, Self-service home construction cost calculator, Online consultations with engineers and architects, Project management tool for clients and THIET THACH Group

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

**In-app purchases:** none


## Frequently asked questions

### Is eTax Mobile free?

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

### Is THIET THACH free?

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

### Which has better reviews, eTax Mobile or THIET THACH?

THIET THACH is rated higher. eTax Mobile averages 1.9 out of 5 from 236 ratings, while THIET THACH averages 5.0 from 1 ratings.

### Do eTax Mobile or THIET THACH have ads?

Neither eTax Mobile nor THIET THACH shows ads.

### Which is updated more often, eTax Mobile or THIET THACH?

eTax Mobile ships an update weekly, and THIET THACH monthly. Most recently, eTax Mobile was updated on October 20, 2026 and THIET THACH on October 4, 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.*