Wisen vs Focus Lantern
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Wisen
This app intelligently analyzes your notes to surface forgotten ideas, patterns, and unresolved questions. It offers daily digests, AI-powered chat for querying your notes, and visual knowledge mapping. Learn and retain information effectively through spaced repetition.
- AI-powered idea surfacing
- Daily note digests
- AI chat for note queries
- Visual knowledge mapping
- Spaced repetition learning
- PDF, image, and voice import
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Most notes apps are just storage. You write something, it disappears into a list, and you never think about it again. Wisen works differently — it reads what you write and brings the right ideas back at the right moment. Echo finds threads across your notes and turns them into questions worth sitting with. Not generic prompts — specific questions built from what you actually wrote. Sometimes it connects two notes from different weeks and surfaces a pattern you hadn't noticed. Each session feels less like a review and more like continuing a conversation you forgot you started. Pulse delivers a daily brief built entirely from your recent notes. What you've been thinking about, what's still unresolved, what questions are worth returning to. It also drafts LinkedIn posts, emails, and more directly from your notes — your voice, your ideas, not a generic AI output. WisenChat lets you ask anything about your notes. What did you write about this topic last month? What's still unresolved? What decisions are you avoiding? It answers from your actual notes with citations — so you always know where the insight came from. Knowledge Map shows how your notes connect visually. Tap a link to open a cross-note Echo session between two related ideas. The map grows richer the more you write. Spaced repetition tracks which ideas you've genuinely learned and which ones need revisiting — at the block level, using a modified SM-2 algorithm. Mastered content is excluded automatically so you're never drilling what you already know. Everything is encrypted with AES-256-GCM before leaving your phone. AI features use OpenAI — only the content you actively engage with is ever processed, and none of your notes are used to train their models. Import PDFs, scan handwritten notes, drop in images and voice recordings. Works in 16 languages. No account required to start. The longer you use Wisen, the more useful it becomes. Your notes compound into real knowledge instead of disappearing.
Focus Lantern
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Focus Lantern is a calm, lightweight focus timer. Choose a 25/5 Pomodoro session, a 45-minute deep work session, or a quick 15-minute focus block. Pair your timer with procedural ambient soundscapes such as white noise, pink noise, brown noise, soft rain, ocean drift, and forest air. Features: - Pomodoro, deep work, and quick focus modes - Built-in procedural ambient sounds - Daily and 7-day focus statistics - Recent focus session history - English and Simplified Chinese interface - No account, no ads, and focus records stay on your device Focus Lantern is made for studying, writing, reading, office work, and any quiet moment that deserves your full attention.
Screenshots
Verdict
The clearest difference is price: Wisen at Free against Focus Lantern's $0.99. On update cadence, 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
Wisen is free to download; Focus Lantern costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Wisen ships an update every 6 days, Focus Lantern weekly. The most recent releases landed on October 6, 2026 and October 19, 2026 respectively.
| Parameter | Wisen | Focus Lantern |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 3.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 days — better | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 21 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | DARIA LENSKAJA | 小倩 徐 |
In-app purchases
Wisen
No in-app purchases
Focus Lantern
No in-app purchases







