# THIET THACH vs Permit

The clearest difference is rating: THIET THACH at 5.0 against Permit's 1.0. THIET THACH also leads on update cadence (monthly vs every 3 months). On price, ratings volume, 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.

THIET THACH holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

THIET THACH ships an update monthly, Permit every 3 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | THIET THACH | Permit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/thiet-thach/id1610695962/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/permit/id1641894863/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | Free |
| Size | 41 MB | 45 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [THIET THACH Group](https://appshunter.io/developer/1610695964) | [Nguyen Mo](https://appshunter.io/developer/1641894865) |

## What reviewers say

### 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


### Permit

[App page](https://appshunter.io/ios/app/permit/id1641894863)

This app streamlines construction work permit processes. It allows for checking safety conditions, obtaining permit approvals, and receiving real-time notifications. The workflow involves QR code scanning for login and submission of employee and job information.

**Highlights:** Safety condition checks, Permit approval workflow, Real-time stakeholder notifications, QR code login, Employee and job information submission, Location-based verification

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

**In-app purchases:** none


## Frequently asked questions

### Is THIET THACH free?

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

### Is Permit free?

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

### Which has better reviews, THIET THACH or Permit?

THIET THACH is rated higher. THIET THACH averages 5.0 out of 5 from 1 ratings, while Permit averages 1.0 from 1 ratings.

### Do THIET THACH or Permit have ads?

Neither THIET THACH nor Permit shows ads.

### Which is updated more often, THIET THACH or Permit?

THIET THACH ships an update monthly, and Permit every 3 months. Most recently, THIET THACH was updated on November 3, 2026 and Permit on November 3, 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.*