# Flash 1 vs Relay

The clearest difference is in-app purchases: Flash 1 at none against Relay's 3. Flash 1 also leads on ads (none vs shown) and iOS requirement (15.1 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Relay sells 3 in-app purchases, starting at $4.99 per 7 days. Flash 1 asks for nothing beyond the download.

Flash 1 ships an update every 8 days, Relay weekly. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Flash 1 | Relay |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 days | **Weekly** |
| Size | 41 MB | 52 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [andy almecija](https://appshunter.io/developer/1836196663) | [North Studio](https://appshunter.io/developer/1896510509) |

## What reviewers say

### Flash 1

[App page](https://appshunter.io/ios/app/flash-1/id6758833725)

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

**In-app purchases:** none


### Relay

[App page](https://appshunter.io/ios/app/relay-sms-forwarding/id6767809269)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Relay Pro Weekly | $4.99 | per 7 days |
| Relay Pro Monthly | $9.99 | per month |
| Relay Pro Annual | $89.99 | per year |


## Frequently asked questions

### Is Flash 1 free?

Flash 1 is free to download, with no in-app purchases.

### Is Relay free?

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

### Do Flash 1 or Relay have ads?

Relay shows ads; Flash 1 does not.

### Which is updated more often, Flash 1 or Relay?

Flash 1 ships an update every 8 days, and Relay weekly. Most recently, Flash 1 was updated on October 15, 2026 and Relay on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*