# ilert vs FireBook

The clearest difference is in-app purchases: ilert at none against FireBook's 3. ilert also leads on update cadence (every 10 days vs every 6 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. FireBook sells 3 in-app purchases, starting at $1.99 per month. ilert asks for nothing beyond the download.

ilert ships an update every 10 days, FireBook every 6 weeks. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ilert | FireBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/ilert/id542915864/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 6 weeks |
| Monetization | Free | — |
| Size | 49 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ilert GmbH](https://appshunter.io/developer/542915867) | [ClearStack Apps](https://appshunter.io/developer/6798305739) |

## What reviewers say

### ilert

[App page](https://appshunter.io/ios/app/ilert/id542915864)

This app enhances monitoring tools by providing voice, SMS, and push notifications for instant alert access. It simplifies on-call management and allows users to respond to critical information directly from their iOS device.

**Highlights:** Voice, SMS, and push notifications, On-call scheduling, Instant alert access, Response management, Integration with monitoring tools

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

**In-app purchases:** none


### FireBook

[App page](https://appshunter.io/ios/app/firebook-fire-safety-log/id6804766249)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FireBook Monthly | $1.99 | per month |
| FireBook Yearly | $9.99 | per year |
| FireBook Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is ilert free?

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

### Is FireBook free?

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

### Do ilert or FireBook have ads?

Neither ilert nor FireBook shows ads.

### Which is updated more often, ilert or FireBook?

ilert ships an update every 10 days, and FireBook every 6 weeks. Most recently, ilert was updated on October 23, 2026 and FireBook on October 25, 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.*