# Flash Pulse vs SADbatt

The clearest difference is in-app purchases: SADbatt at none against Flash Pulse's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Flash Pulse sells 1 one-off in-app purchase. SADbatt asks for nothing beyond the download.

## The numbers

| Metric | Flash Pulse | SADbatt |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 months | — |
| Size | 30 MB | 35 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [润泽 刘](https://appshunter.io/developer/1639648988) | [Deng Zhou](https://appshunter.io/developer/1891289895) |

## What reviewers say

### Flash Pulse

[App page](https://appshunter.io/ios/app/flash-pulse-alert-kit/id6744546438)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flash Pulse Pro Lifetime | $4.99 | one-time |


### SADbatt

[App page](https://appshunter.io/ios/app/sadbatt/id6763489154)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flash Pulse free?

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

### Is SADbatt free?

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

### Do Flash Pulse or SADbatt have ads?

Neither Flash Pulse nor SADbatt 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.*