# WWA vs TSS

The clearest difference is update cadence: WWA at every 3 weeks against TSS's every 2 months. TSS's advantage is iOS requirement (13.0 vs 18.0). 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.

WWA ships an update every 3 weeks, TSS every 2 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | WWA | TSS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 72 MB | 23 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rapidsoft Consulting Co., Ltd.](https://appshunter.io/developer/1501471402) | [Center for ASEAN Studies,Thammasat University-Rangsit](https://appshunter.io/developer/1258447681) |

## What reviewers say

### WWA

[App page](https://appshunter.io/ios/app/wwa-sdma/id1501471403)

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

**In-app purchases:** none


### TSS

[App page](https://appshunter.io/ios/app/tss-tu/id1625667491)

**In-app purchases:** none


## Frequently asked questions

### Is WWA free?

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

### Is TSS free?

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

### Do WWA or TSS have ads?

Neither WWA nor TSS shows ads.

### Which is updated more often, WWA or TSS?

WWA ships an update every 3 weeks, and TSS every 2 months. Most recently, WWA was updated on October 29, 2026 and TSS on October 27, 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.*