# VietLock vs TD Tracking

The clearest difference is update cadence: VietLock at every 8 days against TD Tracking's every 5 weeks. 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.

VietLock ships an update every 8 days, TD Tracking every 5 weeks. The most recent releases landed on September 8, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | VietLock | TD Tracking |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 5 weeks |
| Size | 129 MB | 23 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Phu Nguyen](https://appshunter.io/developer/1773006125) | [Nguyen Thi Thao](https://appshunter.io/developer/1691846695) |

## What reviewers say

### VietLock

[App page](https://appshunter.io/ios/app/vietlock/id1473096732)

**Features:** macOS Compatibility

**In-app purchases:** none


### TD Tracking

[App page](https://appshunter.io/ios/app/td-tracking/id1503435037)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VietLock free?

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

### Is TD Tracking free?

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

### Do VietLock or TD Tracking have ads?

Neither VietLock nor TD Tracking shows ads.

### Which is updated more often, VietLock or TD Tracking?

VietLock ships an update every 8 days, and TD Tracking every 5 weeks. Most recently, VietLock was updated on September 8, 2026 and TD Tracking on September 14, 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.*