Comparison

Penna vs GridKit

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Penna

This offline planner uses on-device AI to break down large tasks into smaller steps and organize your thoughts visually. It prioritizes privacy with no accounts, cloud storage, or data collection, offering encrypted backups and export options.

Highlights
  • On-device AI task breakdown
  • Visual snap-grid board
  • Offline functionality
  • Brain Dump for thoughts
  • Smart text input
  • Encrypted backups
  • Pomodoro focus timer
Features
Read full description

Penna is the ADHD planner that shows you time: your day as a visual board, a countdown for the task you're on, and AI that runs on your iPhone. 100% offline, no account, no one watching. SEE TIME (new in 1.4) • Estimated duration on every tile — 15, 30, 45, 60 min or your own • A countdown ring on the task you're doing right now • Countdown widget on the Home and Lock Screen: what's now, what's next, how long is left • Morning check-in in 3 taps: your energy today → a day that fits it • Start with a free trial ON-DEVICE AI (Apple Intelligence) • Magic Breakdown — a big scary task becomes 3–7 tiny first steps, each under 15 minutes • Organize — your Brain Dump sorts itself into tiles with dates and tags, you approve every change • Smart input understands "call mom tomorrow evening" — in English and Russian AI runs entirely on your iPhone. No cloud, no account — Data Not Collected stays true. Requires iPhone 15 Pro or newer with Apple Intelligence; everything else works on any iPhone with iOS 18. Most planners want your email and your data. Penna wants neither. Everything lives on your device. Your backups are encrypted and yours to keep. PRIVATE BY DESIGN • 100% offline — no account, no servers, no ads, no trackers • Data Not Collected — nothing leaves your device • Face ID lock on individual notes • AES-256 encrypted backups • Export to Markdown, JSON, PDF or calendar (.ics) PLAN VISUALLY • Snap-grid board — arrange note tiles in any cell, like icons on a home screen • Drag tiles between days on a collapsible week/month calendar • Timeline view for hour-by-hour day blocking CAPTURE THE WAY YOU THINK • Brain Dump — drop a thought in one tap, schedule it later • Smart text input — type “call mom tomorrow 6pm” and Penna sets the day and reminder • Checklists, photos, file attachments, tags, 10 colors STAY ON TRACK • Reminders with repeat (daily/weekly/monthly) and snooze • Habits grid with daily streak · Pomodoro focus timer • Home-screen & Lock Screen widget · Share extension PENNA PRO • Unlimited notes, Brain Dump and attachments • Repeating reminders and calendar events on your board • iCloud Sync — your data stays in YOUR private iCloud; we never see it Penna Pro: a yearly subscription, a weekly subscription with a 3-day free trial, or a one-time lifetime unlock. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period; manage or cancel them in Settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://telegra.ph/Penna--Privacy-Policy-06-07

About

GridKit

Features
Read full description

Your week, clearly laid out. Bring your tasks, events, and notes together in one visual planner. See your week or month at a glance, or focus on 1, 2, or 4 days. Capture to-dos, plan your day, and keep everyday notes close. Set repeating tasks and events for your regular routines, and get reminders before scheduled items. Make GridKit your own with custom colors, fonts, and light or dark mode. Keep today’s plans close with a widget, and sync across iPhone, iPad, and Mac with iCloud. Plan your week. Clear your head. GridKit requires a monthly or yearly subscription. Subscriptions automatically renew unless cancelled. Manage or cancel your subscription in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Penna4 screens
GridKit3 screens

Verdict

The call

The clearest difference is update cadence: Penna at every 4 days against GridKit's every 9 days. On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Penna sells 3 in-app purchases, starting at $4.99 per 7 days and GridKit sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Penna ships an update every 4 days, GridKit every 9 days. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

Scorecard1 real difference · 9 level
Penna versus GridKit: the parameters behind the verdict, then further details
ParameterPennaGridKit
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 4 days — betterEvery 9 days
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.018.0
Further details — not scored
Size16 MB4 MB
Age rating4+4+
DeveloperNTSAUTOSIGA LLCAngelina Shamanova

In-app purchases

3 purchases

Penna

Subscriptions2
  • Weekly3 Days trial$4.997 Days
  • Yearly$29.991 Year
One-time1
  • Penna Pro$39.99
2 purchases

GridKit

Subscriptions1
  • GridKit Monthly7 Days trial$0.991 Month
One-time1
  • GridKit Lifetime$5.99

Questions

Is Penna free?
Penna is free to download, with in-app purchases available.
Is GridKit free?
GridKit is free to download, with in-app purchases available.
Do Penna or GridKit have ads?
Neither Penna nor GridKit shows ads.
Which is updated more often, Penna or GridKit?
Penna ships an update every 4 days, and GridKit every 9 days. Most recently, Penna was updated on October 31, 2026 and GridKit on October 29, 2026.

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