# เด็กดี TCAS vs SISA Smart

The clearest difference is iOS requirement: เด็กดี TCAS at 15.1 against SISA Smart's 17.0. On price, update cadence, 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.

เด็กดี TCAS ships an update fortnightly, SISA Smart weekly. The most recent releases landed on October 4, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | เด็กดี TCAS | SISA Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/tcas/id1085015512/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 40 MB | 65 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dek-D Interactive Co.,Ltd.](https://appshunter.io/developer/581184062) | [CSN Advance Co., Ltd.](https://appshunter.io/developer/1437333800) |

## What reviewers say

### เด็กดี TCAS

[App page](https://appshunter.io/ios/app/tcas/id1085015512)

This app provides comprehensive TCAS information for students, consolidating updates, news, discussion forums, and educational resources. It features a countdown calendar, program search with score analysis, and reviews of popular faculties.

**Highlights:** TCAS Alerts and news, Discussion forums, Infographics and videos, Countdown calendar, Faculty search and analysis, Reviews of popular faculties

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

**In-app purchases:** none


### SISA Smart

[App page](https://appshunter.io/ios/app/sisa-smart/id1437333801)

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

**In-app purchases:** none


## Frequently asked questions

### Is เด็กดี TCAS free?

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

### Is SISA Smart free?

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

### Do เด็กดี TCAS or SISA Smart have ads?

Neither เด็กดี TCAS nor SISA Smart shows ads.

### Which is updated more often, เด็กดี TCAS or SISA Smart?

เด็กดี TCAS ships an update fortnightly, and SISA Smart weekly. Most recently, เด็กดี TCAS was updated on October 4, 2026 and SISA Smart on October 11, 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.*