AI Ace vs Penned
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AI Ace
Pose a single question and receive answers from various AI models, including ChatGPT, Gemini, and Grok. This free application requires no login and offers multiple AI perspectives on your queries.
- Multiple AI model responses
- Single question input
- No login required
- Free to use
- Supports ChatGPT, Gemini, Grok
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AI Ace is an app that lets you pose a single question and get responses from multiple AIs (such as ChatGPT, Gemini, and Grok). No login is required, and it's free to use.
Penned
A minimalist handwriting app designed for privacy, keeping all your notes securely on your device. It features natural writing with Apple Pencil, on-device AI text recognition, and smart tagging for easy searching. Export your notes as PDFs in a clean, distraction-free interface.
- Natural Apple Pencil writing
- On-device AI text recognition
- 100% private, no cloud
- Export beautiful PDFs
- Smart tagging and search
- Distraction-free interface
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Your thoughts deserve privacy. Penned Notes is a minimalist handwriting app that keeps everything on your device. - Natural Apple Pencil writing - AI text recognition (on-device) - 100% private - zero cloud required - Export beautiful PDFs - Smart tagging & search - Clean, distraction-free interface Unlike other note apps, Penned Notes uses Apple's Neural Engine to recognize your handwriting locally and nothing leaves your device. No accounts, no tracking, no subscriptions to complex features you don't need. Perfect for: - Daily journaling - Class notes & studying - Meeting notes - Sketches & brainstorming - Sensitive work documents Privacy-first architecture means your notes stay truly yours. Download Penned Notes. Where your thoughts are penned, not surveilled.
Screenshots
Verdict
The clearest difference is price: AI Ace at Free against Penned's $4.99. AI Ace also leads on review sentiment (80% vs 50%) and update cadence (weekly vs every 2 months). Penned's advantage is in-app purchases (none vs 1) and ads (none vs shown). On rating, ratings volume 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
AI Ace is free to download; Penned costs $4.99 up front. AI Ace sells 1 one-off in-app purchase. Penned asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.5 for AI Ace against 4.6 for Penned. Both are backed by a comparable volume of ratings — 39 and 87 respectively. Written reviews are what separate them: 80% of AI Ace's written reviews are positive against 50% of Penned's.
AI Ace ships an update weekly, Penned every 2 months. The most recent releases landed on August 31, 2026 and September 22, 2026 respectively.
| Parameter | AI Ace | Penned |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 4.5 (39 ratings) | 4.6 (87 ratings) — better |
| Positive reviews | 80.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 39 | 87 — better |
| Update frequency | Weekly — better | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Requires iOS | 18.0 | 16.6 — better |
| Further details — not scored | ||
| Size | 170 MB | 1 MB |
| Age rating | 17+ | 4+ |
| Developer | kimihiro kubota | Edwing H Santos Mena |
Customer experience
AI Ace
Penned
In-app purchases
AI Ace
- Word Watch Pro$19.99
Penned
No in-app purchases
