# brrr vs VoltKit

The clearest difference is in-app purchases: VoltKit at none against brrr's 2. VoltKit also leads on iOS requirement (13.0 vs 17.6). brrr's advantage is chart position (#118 vs unranked). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. brrr sells 2 in-app purchases, starting at $0.99 per month. VoltKit asks for nothing beyond the download.

brrr ships an update every 2 weeks, VoltKit every 10 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | brrr | VoltKit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (15 ratings)](https://appshunter.io/ios/app/brrr-send-push-notifications/id6755617665/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 84.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Free | — |
| Best chart rank | **#118** | — |
| Size | 9 MB | 22 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Simon B. Støvring](https://appshunter.io/developer/423532907) | [kudrethan varol](https://appshunter.io/developer/1896461249) |

## What reviewers say

### brrr

[App page](https://appshunter.io/ios/app/brrr-send-push-notifications/id6755617665)

**Currently charting:** #118 Top Grossing · Developer Tools (US App Store)

Trigger notifications on your devices via HTTP requests from scripts, automations, or servers. This app offers a simple webhook for instant alerts, image attachments, and on-device history, integrating with Focus filters for context-aware delivery.

**Highlights:** Trigger notifications via HTTP requests, Send alerts to all or single devices, Open links directly from notifications, Attach images to notifications, On-device notification history, Focus filter integration

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $9.99 | per year |


### VoltKit

[App page](https://appshunter.io/ios/app/voltkit/id6767295762)

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

**In-app purchases:** none


## Frequently asked questions

### Is brrr free?

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

### Is VoltKit free?

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

### Do brrr or VoltKit have ads?

Neither brrr nor VoltKit shows ads.

### Which is updated more often, brrr or VoltKit?

brrr ships an update every 2 weeks, and VoltKit every 10 days. Most recently, brrr was updated on October 30, 2026 and VoltKit on October 31, 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.*