# Signalgrid vs HookBell

The clearest difference is iOS requirement: HookBell at 15.1 against Signalgrid's 17.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Signalgrid sells 2 in-app purchases, starting at $4.99 per month and HookBell sells 2 in-app purchases, starting at $11.99 per month. Whichever you choose, the download price is not the number that matters.

Signalgrid ships an update fortnightly, HookBell every 8 days. The most recent releases landed on September 26, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Signalgrid | HookBell |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/signalgrid/id6752251889/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 8 days** |
| Monetization | Freemium | — |
| Size | 23 MB | 36 MB |
| Requires iOS | 17.2 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Signalgrid e.U.](https://appshunter.io/developer/1721703581) | [AKN Technologies FZ-LLC](https://appshunter.io/developer/1872738914) |

## What reviewers say

### Signalgrid

[App page](https://appshunter.io/ios/app/signalgrid/id6752251889)

This service provides reliable and secure real-time push notifications across multiple devices and platforms. Organize alerts into channels, set delivery rules, and ensure critical messages are never missed. Offers free and paid tiers for individuals and teams.

**Highlights:** Real-time push notifications, Cross-device and platform alerts, Notification channel organization, Time-based delivery rules, Critical notification option, API endpoint integration

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Single | $4.99 | per month |
| Teams | $49.99 | per month |


### HookBell

[App page](https://appshunter.io/ios/app/hookbell-webhook-alerts/id6760628465)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $11.99 | per month |
| Teams | $39.99 | per month |


## Frequently asked questions

### Is Signalgrid free?

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

### Is HookBell free?

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

### Do Signalgrid or HookBell have ads?

Neither Signalgrid nor HookBell shows ads.

### Which is updated more often, Signalgrid or HookBell?

Signalgrid ships an update fortnightly, and HookBell every 8 days. Most recently, Signalgrid was updated on September 26, 2026 and HookBell on October 5, 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.*