Personal AI vs Pencil Grades
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Personal AI
This platform allows professionals in regulated industries to create a private, secure digital twin of their knowledge. It automates tasks, facilitates collaboration, and offers secure messaging, all while prioritizing data privacy and enterprise-grade security.
- Private digital twin of knowledge
- Seamless workflow automation
- Personalized AI personas
- Native secure messaging
- Enterprise-grade security
- Built for regulated industries
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Personal AI is the next-generation training and communication platform, purpose-built for attorneys, doctors, coaches, and professionals working in highly regulated industries. Harness the power of your own private, trusted digital twin—powered by advanced Personal Language Models that are fast to train, highly accurate, and always evolving with your knowledge. Your Knowledge, Amplified Create a digital extension of your expertise that learns and grows with you. Access your Personal AI anytime, anywhere—your insights are always at your fingertips. Seamless Workflow Automation Automate routine tasks and communications so you can focus on high-value work. Collaborate with your AI on complex problem-solving, brainstorming, and decision-making. Personalized AI Personas Train your Personal AI on specific knowledge and datasets curated by you. Share your AI personas securely and at your discretion, empowering collaboration across teams and organizations. Native Secure Messaging Interact securely with individuals and AIs both inside and outside your organization using Personal AI’s built-in messaging platform. Privacy-First, Enterprise-Grade Security Your data remains yours—Personal AI never shares or sells your information. Benefit from enterprise-level security, including SOC 2 compliance, ensuring your information stays protected. Built for Regulated Industries Designed for legal, healthcare, finance, and other sectors demanding the highest levels of data security and compliance. Maintain transparency and control with clear training data structures and compliance tools. Scalable for Teams and Enterprises Deploy Personal AI across departments or organization-wide with flexible pricing to fit businesses of any size. Take Control of Your AI Journey With Personal AI Mobile, cutting-edge Personal Language Models are always at your fingertips. Empower yourself and your business to transition to AI on your terms—securely, privately, and efficiently. Experience the future of expertise. Download Personal AI and amplify your knowledge today.
Pencil Grades
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Pencil Grades is a focused reference and practice companion for graphite drawing — from 9H precision lines all the way to a velvety 9B. A clean grade chart, paired techniques and a simple session log on a single stage. No clutter, no popups, no upsells. KEY FEATURES • Complete 9H to 9B grade chart with darkness, hardness and tonal range • Each grade lists ideal use cases — drafting, underdrawing, portrait, expressive shading • Curated drawing techniques: parallel hatch, cross-hatch, stippling, smooth blend, scumble, sgraffito, frottage and more • Each technique paired with the grades that suit it best • Session log to track what you practiced, which grade you used and for how long • Italian-paper aesthetic with quiet typography — built to stay out of the way BUILT FOR PRACTICE Whether you are blocking in an architectural drawing, working a tonal portrait, or pushing a quick gesture sketch, Pencil Grades helps you pick the right pencil and the right mark. PRIVACY No tracking. No accounts. Your session log lives on your device.
Screenshots
Verdict
The clearest difference is ads: Pencil Grades at none against Personal AI's shown. Personal AI's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price and in-app purchases 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.
| Parameter | Personal AI | Pencil Grades |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (46 ratings) — better | — |
| Positive reviews | 68.2% of reviews | — |
| Number of ratings | 46 — better | — |
| Update frequency | Fortnightly | — |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 32 MB | 0 MB |
| Age rating | 17+ | 4+ |
| Developer | Human AI Labs, Inc | Linh Phan Nhat Khanh |
In-app purchases
Personal AI
No in-app purchases
Pencil Grades
No in-app purchases









