Day Stacks vs Personal.AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Day Stacks
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Day Stacks is a task manager built around one idea: focus on today. No complicated projects. No overwhelming lists. Just your tasks for the day, laid out as simple cards. HOW IT WORKS - Pick a day, add your tasks - Set times if you need them, or leave them blank - Swipe left or right to move between days - Sort by time or drag to reorder manually FEATURES • Clean, card-based design • Optional time scheduling (supports times past midnight for night owls) • Color-code your tasks • Swipe between days • Dark mode support • Undo deleted tasks Day Stacks won't try to be your calendar, your project manager, or your second brain. It just helps you see what's on your plate today and tomorrow. Free to use with ads. One-time purchase to remove them.
Personal.AI
An on-device AI assistant that processes information locally for enhanced privacy and structured understanding. It offers web search, local document querying, and agent mode for complex reasoning, all without sending data to external servers.
- On-device AI processing
- Web search integration
- Local RAG for document querying
- Agent mode for multi-step reasoning
- Offline AI experience
- Support for quantized models
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Personal.AI is an on-device AI assistant designed for reading and exploring AI-generated knowledge in a clear, structured, and private way. • All AI runs directly on your device • Interact with powerful models without sending data to external servers • Designed for privacy, readability, and simplicity • Structured answers that make complex topics easy to understand Key Features • On-Device AI Processing All AI runs locally. Your prompts and responses stay private. • Web Search Get real-time answers from the web, even for complex questions. • Local RAG Ask questions using your documents and saved content. • Agent Mode Get smarter answers with multi-step reasoning. • Support for Quantized Models Supports GGUF models for efficient on-device performance. • Offline AI Experience Works fully offline once a model is downloaded. • Model Switching Choose smaller models for speed or larger models for deeper answers. • Structured Reading Interface Clean, layered responses designed for easy reading. • Privacy-First Design No tracking. No data collection. Your data stays with you. Privacy • AI processing happens entirely on your device • No personal data is collected • No data is sent to external servers • No analytics or tracking Our Goal • A non-profit project focused on on-device AI • Built for privacy, readability, and user-first design
Screenshots
Verdict
The clearest difference is in-app purchases: Personal.AI at none against Day Stacks's 1. Personal.AI also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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. Day Stacks sells 1 one-off in-app purchase. Personal.AI asks for nothing beyond the download.
Day Stacks ships an update every 10 days, Personal.AI weekly. The most recent releases landed on October 28, 2026 and October 7, 2026 respectively.
| Parameter | Day Stacks | Personal.AI |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 10 days | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | kazuki oshino | Jagadeesh Raghu |
In-app purchases
Day Stacks
- Remove Ads$1.99
Personal.AI
No in-app purchases
