# Timeline時間軸 vs Jo一個T9

The clearest difference is device support: Timeline時間軸 at 3 against Jo一個T9's 1. Timeline時間軸 also leads on iOS requirement (13.0 vs 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.

Timeline時間軸 ships an update every 2 days, Jo一個T9 every 3 days. The most recent releases landed on October 12, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Timeline時間軸 | Jo一個T9 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 days |
| Size | 17 MB | 17 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Chun Keung Yeung](https://appshunter.io/developer/1700353777) | [YEN YU LIN](https://appshunter.io/developer/6807881962) |

## What reviewers say

### Timeline時間軸

[App page](https://appshunter.io/ios/app/timeline/id6761250039)

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

**In-app purchases:** none


### Jo一個T9

[App page](https://appshunter.io/ios/app/jot9/id6809322077)

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

**In-app purchases:** none


## Frequently asked questions

### Is Timeline時間軸 free?

Timeline時間軸 is free to download, with no in-app purchases.

### Is Jo一個T9 free?

Jo一個T9 is free to download, with no in-app purchases.

### Do Timeline時間軸 or Jo一個T9 have ads?

Neither Timeline時間軸 nor Jo一個T9 shows ads.

### Which is updated more often, Timeline時間軸 or Jo一個T9?

Timeline時間軸 ships an update every 2 days, and Jo一個T9 every 3 days. Most recently, Timeline時間軸 was updated on October 12, 2026 and Jo一個T9 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.*