# TTC vs gpssaigon

The clearest difference is update cadence: gpssaigon at every 2 weeks against TTC's monthly. TTC's advantage is iOS requirement (12.0 vs 14.0). 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.

TTC ships an update monthly, gpssaigon every 2 weeks. The most recent releases landed on October 25, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | TTC | gpssaigon |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 46 MB | 40 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Do Quang](https://appshunter.io/developer/1615025876) | [Phi Do](https://appshunter.io/developer/1273716388) |

## What reviewers say

### TTC

[App page](https://appshunter.io/ios/app/ttc-cam/id1617036123)

**Features:** macOS Compatibility

**In-app purchases:** none


### gpssaigon

[App page](https://appshunter.io/ios/app/gpssaigon/id6461312123)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TTC free?

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

### Is gpssaigon free?

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

### Do TTC or gpssaigon have ads?

Neither TTC nor gpssaigon shows ads.

### Which is updated more often, TTC or gpssaigon?

TTC ships an update monthly, and gpssaigon every 2 weeks. Most recently, TTC was updated on October 25, 2026 and gpssaigon on October 15, 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.*