Simple Notes vs Lumina
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple Notes
A powerful yet simple note-taking application offering cross-device syncing, customizable themes, and robust security features. It allows users to set reminders, highlight text, and even save notes as images.
- Cross-device syncing (Dropbox/iCloud)
- Zoomable font sizes
- Searchable highlighted text
- Note reminders
- Password protection (AES 256-bit)
- Shake to undo/redo
- Customizable themes and fonts
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Simple, Clean and Easy to Use, Yet Powerful and Loaded with Features. Key Features: --------------------- - One universal app for all your IOS Devices. - Sync your notes with Dropbox and/or iCloud. - Zoom in or out on any note to get the ideal font size suitable for your vision. - Highlight words and search terms inside your notes. - Set reminders to your notes to read them later. - Save text as an image to your camera roll. - Use Password Protection with Advanced Encryption Standard (AES 256-bit) to secure data and to protect your notes from prying eyes. - Shake your device to undo or redo: delete, creating, editing, restoring and more. - 9 font styles with five font colors. - Sort your notes chronologically or alphabetically. - Choose from six different color themes to modify your notes to suit your taste. - The ability to AirPrint your notes. - Auto Paste: when you run the app it will save text that you copied (Text in the Clipboard) automatically as a note. - Night Mode that makes reading in the dark easier on your eyes. - And much more..
Lumina
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Lumina – Your Ideas, Connected Lumina is a private, local-first second brain that helps you capture your thoughts, connect ideas, and rediscover everything you’ve learned — instantly. All processing happens on your device. Your data stays yours. Think. Capture. Connect. Write notes, record voice memos, scan text, or import information — Lumina automatically identifies names, concepts, and entities and links them together for you. Built-in offline AI lets you search and understand your knowledge base with natural language, without sending anything to the cloud. A Smarter Way to Remember Entities & Connections – Lumina detects people, places, topics, and ideas across your notes and maps how they relate. AI Search (Offline) – Ask questions in your own words and get accurate answers powered by a local LLM. Voice & OCR Capture – Transcribe audio or extract text from images quickly and privately. Knowledge Graph – Visualize how your notes and ideas connect. Explore your mind like a map. Simple by Design – No folders, no friction. Just capture and let Lumina organize. Private & Local – Notes, embeddings, AI models — everything stays securely on your device. Optional iCloud Backup – Encrypted, effortless backups to restore your knowledge on a new device. Export Anytime – Your data is yours. Export it in an open format whenever you want. Built for People Who Think Better with Connections Lumina is perfect for: Students & lifelong learners Writers, researchers, creators Professionals with lots of ideas Anyone who wants a simple, powerful second brain People who value privacy above everything else No subscriptions. No ads. No tracking. Lumina is free to use. If you enjoy it, you can support development directly from the app.
Screenshots
Verdict
The clearest difference is price: Lumina at Free against Simple Notes's $2.99. Lumina also leads on update cadence (weekly vs every 2 months). Simple Notes's advantage is in-app purchases (none vs 3) and device support (4 vs 2). On ads 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
Lumina is free to download; Simple Notes costs $2.99 up front. Lumina sells 3 one-off in-app purchases. Simple Notes asks for nothing beyond the download.
Simple Notes ships an update every 2 months, Lumina weekly. The most recent releases landed on September 21, 2026 and June 11, 2026 respectively.
| Parameter | Simple Notes | Lumina |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.0 (39 ratings) — better | — |
| Positive reviews | 82.0% of reviews | — |
| Number of ratings | 39 — better | — |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 25 MB | 1.6 GB |
| Age rating | 4+ | 4+ |
| Developer | Sadah Software Solutions, LLC | Rodrigo Uroz |
In-app purchases
Simple Notes
No in-app purchases
Lumina
- Small Tip$2.99
- Medium Tip$8.99
- Large Tip$18.99









