# TJC vs COSMOS

The clearest difference is ads: TJC at none against COSMOS's shown. COSMOS's advantage is update cadence (every 3 days vs every 27 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

TJC ships an update every 27 months, COSMOS every 3 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | TJC | COSMOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 27 months | **Every 3 days** |
| Size | 31 MB | 132 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SUNG-YAO LIN](https://appshunter.io/developer/1704095211) | [NEWS AGENCY LIMITED](https://appshunter.io/developer/1691840665) |

## What reviewers say

### TJC

[App page](https://appshunter.io/ios/app/tjc-north/id1480648768)

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

**In-app purchases:** none


### COSMOS

[App page](https://appshunter.io/ios/app/cosmos/id6748901145)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TJC free?

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

### Is COSMOS free?

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

### Do TJC or COSMOS have ads?

COSMOS shows ads; TJC does not.

### Which is updated more often, TJC or COSMOS?

TJC ships an update every 27 months, and COSMOS every 3 days. Most recently, TJC was updated on October 25, 2026 and COSMOS on October 28, 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.*