# Grafana vs Knowledge Observatory

The clearest difference is in-app purchases: Grafana at none against Knowledge Observatory's 3. Grafana also leads on ratings volume (65 vs 1). Knowledge Observatory's advantage is review sentiment (100% vs 67%) and rating (5.0 vs 4.7). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Knowledge Observatory sells 3 one-off in-app purchases. Grafana asks for nothing beyond the download.

Knowledge Observatory holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Grafana has 65 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 67% of Grafana's written reviews are positive against 100% of Knowledge Observatory's.

Grafana ships an update every 11 days, Knowledge Observatory every 4 days. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Grafana | Knowledge Observatory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (65 ratings)](https://appshunter.io/ios/app/grafana/id1669759048/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/knowledge-observatory/id6809866095/reviews)** |
| Number of ratings | **65** | 1 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 131 MB | 25 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Grafana Labs](https://appshunter.io/developer/1662481067) | [Pomsoft LLC](https://appshunter.io/developer/6809866097) |

## What reviewers say

### Grafana

[App page](https://appshunter.io/ios/app/grafana/id1669759048)

Monitor your systems and respond to incidents on the go. Ask questions, view dashboards, and manage alerts directly from your mobile device. Requires an existing Grafana Cloud account.

**Highlights:** Ask Grafana Assistant questions, Browse and view dashboards, Receive push notifications for alerts, Manage alert groups, View on-call schedules, Respond to incidents

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

**In-app purchases:** none


### Knowledge Observatory

[App page](https://appshunter.io/ios/app/knowledge-observatory/id6809866095)

This app helps you write a researched book on your iPhone. It generates chapter outlines, writes prose, and includes illustrations based on your topic. Your first book is free, with subsequent books available via in-app purchases.

**Highlights:** AI-generated book outlines, Automated prose writing, Integrated illustrations, In-app book library, Table of contents navigation, Zoomable illustrations

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 book | $14.99 | one-time |
| 3 books | $39.99 | one-time |
| 10 books | $99.99 | one-time |


## Frequently asked questions

### Is Grafana free?

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

### Is Knowledge Observatory free?

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

### Which has better reviews, Grafana or Knowledge Observatory?

Knowledge Observatory is rated higher. Grafana averages 4.7 out of 5 from 65 ratings, while Knowledge Observatory averages 5.0 from 1 ratings.

### Do Grafana or Knowledge Observatory have ads?

Neither Grafana nor Knowledge Observatory shows ads.

### Which is updated more often, Grafana or Knowledge Observatory?

Grafana ships an update every 11 days, and Knowledge Observatory every 4 days. Most recently, Grafana was updated on October 30, 2026 and Knowledge Observatory on October 29, 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.*