# Blast Flow vs Tether

The clearest difference is in-app purchases: Blast Flow at none against Tether's 5. Blast Flow also leads on iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Tether sells 5 one-off in-app purchases. Blast Flow asks for nothing beyond the download.

## The numbers

| Metric | Blast Flow | Tether |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Size | 133 MB | 164 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [YASAR DALAK](https://appshunter.io/developer/1776575138) | [8x](https://appshunter.io/developer/1894971455) |

## What reviewers say

### Blast Flow

[App page](https://appshunter.io/ios/app/blast-flow/id6760021230)

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

**In-app purchases:** none


### Tether

[App page](https://appshunter.io/ios/app/tether-hold-the-line/id6800236575)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pocketful of Coins | $0.99 | one-time |
| Satchel of Coins | $2.99 | one-time |
| Tether Premium | $4.99 | one-time |
| Chest of Coins | $5.99 | one-time |
| Sky Hoard of Coins | $12.99 | one-time |


## Frequently asked questions

### Is Blast Flow free?

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

### Is Tether free?

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

### Do Blast Flow or Tether have ads?

Both Blast Flow and Tether show 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.*