# 地灾智防 vs Quality Welding Time Tracker

The clearest difference is update cadence: 地灾智防 at every 11 days against Quality Welding Time Tracker's every 2 months. 地灾智防 also leads on iOS requirement (9.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

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

地灾智防 ships an update every 11 days, Quality Welding Time Tracker every 2 months. The most recent releases landed on October 11, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 地灾智防 | Quality Welding Time Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/quality-welding-time-tracker/id1433956880/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 months |
| Monetization | — | Free |
| Size | 29 MB | 22 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zhejiang Provincial Institute of Geological Environmental Monitoring](https://appshunter.io/developer/1240028704) | [Pixis Consulting LLC](https://appshunter.io/developer/1244439437) |

## What reviewers say

### 地灾智防

[App page](https://appshunter.io/ios/app/id1240028705)

**Features:** macOS Compatibility

**In-app purchases:** none


### Quality Welding Time Tracker

[App page](https://appshunter.io/ios/app/quality-welding-time-tracker/id1433956880)

This app helps mobile users track their time spent on welding and fabrication tasks. It provides a simple interface for logging work hours for professional or personal projects.

**Highlights:** Time tracking for welding, Time tracking for fabrication, Mobile device support, Simple logging interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 地灾智防 free?

地灾智防 is free to download, with no in-app purchases.

### Is Quality Welding Time Tracker free?

Quality Welding Time Tracker is free to download, with no in-app purchases.

### Do 地灾智防 or Quality Welding Time Tracker have ads?

Neither 地灾智防 nor Quality Welding Time Tracker shows ads.

### Which is updated more often, 地灾智防 or Quality Welding Time Tracker?

地灾智防 ships an update every 11 days, and Quality Welding Time Tracker every 2 months. Most recently, 地灾智防 was updated on October 11, 2026 and Quality Welding Time Tracker on October 18, 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.*