# DidntHappen vs Tether

The clearest difference is iOS requirement: Tether at 15.1 against DidntHappen's 18.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. DidntHappen sells 3 in-app purchases, starting at $2.99 per 7 days 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.

## The numbers

| Metric | DidntHappen | Tether |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 26 MB | 32 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Onur Hseyin Kocak](https://appshunter.io/developer/1878351222) | [Golden Sunset Studios LLC](https://appshunter.io/developer/6785878047) |

## What reviewers say

### DidntHappen

[App page](https://appshunter.io/ios/app/didnthappen-fear-tracker/id6762467761)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $2.99 | per 7 days |
| Premium Yearly | $59.99 | per year |
| 1-Year Premium Gift | $59.99 | one-time |


### 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 DidntHappen free?

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

### Is Tether free?

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

### Do DidntHappen or Tether have ads?

Neither DidntHappen nor Tether shows ads.

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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.*