Prism Notes vs Lettuce Know
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Prism Notes
Capture thoughts and links quickly with a familiar texting interface. Organize ideas with AI-suggested tags and develop them across linked threads. Review notes to keep what matters and easily search by keyword or meaning.
- Texting-like note capture
- AI-suggested tags
- Threaded idea development
- Review mode for notes
- Sync across devices
- Natural language reminders
- Lock screen capture
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Prism is the private place for quick thoughts and links. It feels like texting, rather than writing in a document. Capture easily, organize with tags, develop ideas across threads, review to keep only what matters. Free to try! Features: - Private and on-device - Opt in to iCloud sync between iPhone and Mac - Voice transcription and voice memos - Lock screen widgets for text and voice capture - AI-suggested tags to make organizing easy or automatic AI tagging (requires apple intelligence) - Review mode to keep notes alive or let them go - Threads to evolve a thought and link them together - Search by keyword - Natural language reminders - just say "remind me tomorrow at 2pm" (requires apple intelligence)
Lettuce Know
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Lettuce Know sorts your shopping list right on your phone. Add an item, and Apple Intelligence figures out which aisle it belongs in. Milk goes in Dairy. Apples land in Fruits. No tapping through menus, no waiting for a server to think. Built for how you actually shop A list that sorts itself. Smart Sort drops every item into the right aisle as you type. Works even when your signal dies. Smart Sort runs on your phone, so it keeps working when you're on the go and don't have reception. Add items, sort them, check them off — no internet needed. Shared with your household. Invite your partner, your roommates, your family. One list, everyone in real time. What else you can do • Set up multiple stores, each with its own aisle layout • Rename and reorder aisles to match how you actually shop • Mix and match — your household members can each have their own stores set up the way they like Device requirements Lettuce Know requires an Apple Intelligence-capable device: • iPhone 15 Pro or later • iPad with M1 chip or later • iPad mini with A17 Pro Apple Intelligence must be turned on in Settings. What's coming Smart Sort is the first of several features we're building, all powered by Apple Intelligence on your device. Privacy policy: https://gist.github.com/robdodson/087a5f48f82512108dde601676a5efce
Screenshots
Verdict
The clearest difference is in-app purchases: Lettuce Know at none against Prism Notes's 2. Prism Notes's advantage is device support (4 vs 2) and iOS requirement (18.6 vs 26.2). On price and 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
Both are free to download. Prism Notes sells 2 one-off in-app purchases. Lettuce Know asks for nothing beyond the download.
| Parameter | Prism Notes | Lettuce Know |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (32 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 32 — better | — |
| Update frequency | Every 4 days | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac, Apple Watch — better | iPhone, iPad |
| Requires iOS | 18.6 — better | 26.2 |
| Further details — not scored | ||
| Size | 19 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Tommy Joseph | Rob Dodson |
In-app purchases
Prism Notes
- Lifetime Unlock$6.99
- Lifetime Unlock$12.99
Lettuce Know
No in-app purchases
