# BTK 360 vs Linger

The clearest difference is in-app purchases: BTK 360 at none against Linger's 3. BTK 360 also leads on iOS requirement (15.0 vs 26.0). Linger's advantage is update cadence (every 4 days vs every 9 days). On price, ads and device support there is nothing between them.

Both are free to download. Linger sells 3 in-app purchases, starting at $3.99 per month. BTK 360 asks for nothing beyond the download.

BTK 360 ships an update every 9 days, Linger every 4 days. Both last shipped on October 29, 2026.

## The numbers

| Metric | BTK 360 | Linger |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Size | 36 MB | 28 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Adateck LLC](https://appshunter.io/developer/1864522185) | [晓晖 王](https://appshunter.io/developer/1778270363) |

## What reviewers say

### BTK 360

[App page](https://appshunter.io/ios/app/btk-360/id6795296345)

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

**In-app purchases:** none


### Linger

[App page](https://appshunter.io/ios/app/linger-days-together-widget/id6823909674)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Linger Premium Monthly | $3.99 | per month |
| Linger Premium Yearly | $8.99 | per year |
| Linger Premium Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is BTK 360 free?

BTK 360 is free to download, with no in-app purchases.

### Is Linger free?

Linger is free to download, with in-app purchases available.

### Do BTK 360 or Linger have ads?

Neither BTK 360 nor Linger shows ads.

### Which is updated more often, BTK 360 or Linger?

BTK 360 ships an update every 9 days, and Linger every 4 days. Most recently, BTK 360 was updated on October 29, 2026 and Linger on October 29, 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.*