# AnchorDBT vs Tether

The clearest difference is update cadence: Tether at every 3 weeks against AnchorDBT's every 3 months. Tether also leads on iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AnchorDBT sells 2 in-app purchases, starting at $4.99 per month and Tether sells 4 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

AnchorDBT ships an update every 3 months, Tether every 3 weeks. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | AnchorDBT | Tether |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 10 MB | 35 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [明霁 谢](https://appshunter.io/developer/1896516058) | [Golden Sunset Studios LLC](https://appshunter.io/developer/6785878047) |

## What reviewers say

### AnchorDBT

[App page](https://appshunter.io/ios/app/anchordbt/id6768035082)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $24.99 | per year |


### Tether

[App page](https://appshunter.io/ios/app/tether-dbt-coping-skills/id6804316148)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tether Plus | $6.99 | per month |
| Tether Family | $11.99 | per month |
| Tether Plus | $49.99 | per year |
| Tether Family | $89.99 | per year |


## Frequently asked questions

### Is AnchorDBT free?

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

### Is Tether free?

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

### Do AnchorDBT or Tether have ads?

Neither AnchorDBT nor Tether shows ads.

### Which is updated more often, AnchorDBT or Tether?

AnchorDBT ships an update every 3 months, and Tether every 3 weeks. Most recently, AnchorDBT was updated on October 31, 2026 and Tether 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.*