Comparison

pi! vs Ino

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

Head to head
About

pi!

Features
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How many digits of Ļ€ can you memorize? Ļ€ Memorizer helps you learn and recall the digits of pi using a simple, focused approach: see the digits, hide them, type them back. No gimmicks — just effective memorization. LEARN • Study digits in customizable chunks of 5, 10, or 20 • See the digits, then hide and input them from memory • Pick up right where you left off — progress saves automatically • Browse all 10,000 digits with your learned positions highlighted • Tap any group to jump to that position and start practicing TEST • Type digits of Ļ€ from memory as fast as you can • Timer starts on your first tap — no pressure until you're ready • See your entered digits organized in clean, readable groups • Wrong digit? Game over. See exactly where you went wrong and what the correct digit was • Beat your personal record and track your improvement STATS • Personal best record, learning progress, current streak • Average speed (digits per second), total sessions, and practice time • Full session history to review past attempts APPLE WATCH • Quick-test on the go with a compact numpad • Best record syncs with your iPhone via WatchConnectivity DESIGNED FOR APPLE • Liquid Glass design language — beautiful on iOS 26, iPadOS, and macOS • Apple Pencil Scribble support on iPad — write digits by hand • iCloud sync keeps your progress across all your devices • Haptic feedback on every tap for a satisfying input experience Whether you're a math enthusiast, a memory athlete, or just curious how far you can go — Ļ€ Memorizer is your companion for the journey from 3.14 to 3.14159265358979323846…

About

Ino

Features
Read full description

Ino is the all-in-one study tracker built for students who want to stay organised, prepared, and ahead. Track every subject, assignment, and upcoming test in one clean, minimal interface. Ino keeps your academic life structured so you can focus on what actually matters - studying. TRACK EVERYTHING - Add subjects and manage all upcoming tests and assignments in one place - Never miss a due date with a clear overview of your workload - Log completed tasks and track your progress throughout the term UNDERSTAND YOUR GRADES - View grade analytics and breakdowns across all your subjects - See your predicted ATAR score updated as you log results - Use the built-in grade calculator to plan what scores you need STUDY SMARTER - Built-in study timer to keep your sessions focused and productive - Track time spent on each subject and build consistent study habits INO PLUS - PREMIUM FEATURES Ino is free to download and use. Ino Plus is a paid upgrade that unlocks: - AI-powered analysis of your grades, trends, and study patterns - Personalised AI recommendations to help you improve - Advanced predicted score insights and performance breakdowns Ino Plus requires a purchase to access. All core tracking, grade calculator, and study timer features are completely free. WHY STUDENTS LOVE INO - Clean, dark, minimalist design built to reduce distraction - Built for high school and university students - Free core features, premium AI when you want it - Fast and easy to set up in minutes Whether you're preparing for final exams, tracking your ATAR, or staying on top of weekly homework - Ino gives you the clarity to perform your best. Download Ino free today and take control of your studies.

Screenshots

pi!4 screens
Ino4 screens

Verdict

The call

The clearest difference is in-app purchases: pi! at none against Ino's 1. pi! also leads on device support (3 vs 1). Ino's advantage is iOS requirement (17.6 vs 26.0). On price and ads there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Ino sells 1 one-off in-app purchase. pi! asks for nothing beyond the download.

Scorecard3 real differences Ā· 2 level
pi! versus Ino: the parameters behind the verdict, then further details
Parameterpi!Ino
PriceFreeFree
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS26.017.6 — better
Further details — not scored
Size4 MB8 MB
Age rating4+4+
DeveloperSijun YangAriel Walters

In-app purchases

None

pi!

No in-app purchases

1 purchases

Ino

One-time1
  • Ino Plus Global$12.99

Questions

Is pi! free?
pi! is free to download, with no in-app purchases.
Is Ino free?
Ino is free to download, with in-app purchases available.
Do pi! or Ino have ads?
Neither pi! nor Ino shows ads.

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