Rank Severity vs OpenNotes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rank Severity
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Rank the severity of user complaints. Judge the complaint from different viewpoints. The scores from these viewpoints are weighted. All scores are combined to come to a final judgement. You can share your results to include them in other applications.
OpenNotes
A free, open-source note-taking app designed for handwriting and PDF annotation. Organize notes into folders, import documents, and export your work. It prioritizes privacy with local-first storage and optional iCloud backups.
- Handwriting with Apple Pencil
- PDF import and annotation
- Add images and text
- Folder organization
- Local-first privacy
- Optional iCloud backup
- Export notes
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OpenNotes is a simple, free, open-source notes app built for handwriting, PDFs, and focused organization. Create notebooks, import PDFs, write with Apple Pencil, add images or text, organize notes into folders, and export your work when you need it. OpenNotes is local-first and privacy focused. There are no accounts, no analytics, and no tracking. Your notes live on your device, with optional backup to your own iCloud so they survive a lost iPad or a deleted app. Nothing is ever sent to us — your notes stay in your Apple account, readable by no one else.
Screenshots
Verdict
The clearest difference is update cadence: OpenNotes at every 5 days against Rank Severity's every 64 months. Rank Severity's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Rank Severity ships an update every 64 months, OpenNotes every 5 days. The most recent releases landed on November 11, 2026 and November 10, 2026 respectively.
| Parameter | Rank Severity | OpenNotes |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.4 (39 ratings) — better |
| Positive reviews | — | 66.7% of reviews |
| Number of ratings | — | 39 — better |
| Update frequency | Every 64 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 16 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | Martin Keesen | Mark Miller |
In-app purchases
Rank Severity
No in-app purchases
OpenNotes
No in-app purchases
