# QuiddityML: Machine Learning — Learn ML, AI, Python & Math

> Interactive machine learning education with hands-on exercises and spaced repetition. (iPhone/iPad app by QuiddityML LLC.)

- Source: https://appshunter.io/ios/app/quiddityml-machine-learning/id6768768269 (this page in markdown: same URL + `.md`)
- Developer: [QuiddityML LLC](https://appshunter.io/developer/1896602968)
- Category: Education, Developer Tools
- Price: Free with in-app purchases
- Rating: 5.00/5 from 6 App Store ratings · 4 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.1 · 51 MB
- Languages: American English
- Released: 2026-09-01
- Data updated: 2026-10-03
- Monetization: freemium
- User reviews in markdown: https://appshunter.io/ios/app/quiddityml-machine-learning/id6768768269/reviews.md

## What is QuiddityML?

QuiddityML is for anyone who wants to truly understand machine learning and AI, not just watch videos and forget everything a week later. Short daily lessons and hands-on practice that make it stick.

A Clear Roadmap
Every track lays out every concept you need and the order to learn them in, so you always know what's ahead and where your gaps are. Follow the curriculum or jump straight to any concept.

Short Lessons
Each concept is a few slides you can finish in a busy day, with clear analogies, diagrams, real math, and worked code, instead of a 40-hour course you never finish.

11 Types Of Hands-On Exercises
Reading is passive. QuiddityML makes you do the work: fill in implementations, spot bugs, trace tensors, write code from scratch. Progress through 4 tiers of difficulty with feedback on every answer.

Spaced Repetition Built In
Your review schedule is built from how you do in the exercises. What you struggle with comes back sooner, what you ace stays away, so you don't forget last week's concept.

Math In Context, Not Up Front
The Math track covers only the basics you need to start. The ML lessons teach the rest where it comes up, so you see what each equation is for.

Everything In One Place
Python, PyTorch, math for ML, ML foundations, NLP, computer vision, and more, in one curriculum that doesn't assume something different in every course. New tracks and concepts are added all the time.

Interview Questions And Projects
Every unit ends with interview questions and portfolio projects tied to what you just learned, so you walk into your next interview ready.

Free: all Python, PyTorch, and Math units plus Unit 1 of every other track. Pro unlocks everything.

Learn it once, then keep it.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- Structured AI learning tracks
- Hands-on coding exercises
- Spaced repetition for retention
- Beginner-friendly explanations
- Interview preparation
- Real-world projects

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| QuiddityML Pro Monthly | $19.99 | per month |
| QuiddityML Pro Yearly | $149.99 | per year |


## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/quiddityml-machine-learning/id6768768269/reviews.md

### 5/5 — The best app I’ve found!

*2026-09-22*

Such an amazing and helpful app! I wish everyone knew about it!

**Developer response:** Thank you so much! Sharing is the best way to help :)

### 5/5 — This is the bomb diggity

*2026-09-13*

I’ve really been enjoying QuiddityML! The lessons are clear, interactive, and make complicated machine learning concepts much easier to understand. I especially like the hands-on exercises and the way the app encourages you to actually think through problems instead of just memorizing information

**Developer response:** Thank you, this is exactly what the app is built for. The exercises are meant to make you work through each idea rather than recognize it, so it's great to hear that landed. If there's a concept you'd like covered next, write to hello@quiddityml.com

### 5/5 — Never seen anything like this

*2026-09-07*

I’ve been looking for ways to customize an AI to execute specialized functions for my needs. I’m pretty sure this app just came out, but my goodness, this is exactly what I’ve been looking for. 
It teaches every step to building an AI. It literally goes through the basics to applying advanced concepts. 
The creator has been open and responsive to feedback, so the app is constantly being updated. 
Love this app and I can’t believe I landed on it.

**Developer response:** Thank you so much, this genuinely made my week. It did just come out, and reviews like yours are what keep me building. The goal is exactly what you described: take you from the basics all the way to building real things, step by step. New tracks are on the way, so if there's a topic you want covered next or anything that feels off, write me at hello@quiddityml.com and I'll get on it.

### 5/5 — Love it!

*2026-09-02*

I’ve been trying to get into machine learning for months, and there’s just so much content and so many resources that it’s overwhelming. Some have way too much theory, some don’t have enough, courses are too long and outdated, and books are just boring. I honestly love this app. It makes learning ML actually fun, and the spaced repetition thing is brilliant. I’m surprised no one else did it before. The lessons are clear, visual, and broken into pieces that actually build on each other instead of dumping theory on you all at once. I also really like that it explains the “why” behind concepts, not just definitions, and has different exercises that build on each other and actually make you learn how to code these things. Also the axolotl is adorable

**Developer response:** Thank you, this is the review I dreamed about when I started building. The overwhelm you describe is exactly why the app exists: small pieces that build on each other, the "why" behind every concept, and spaced repetition so it actually sticks. I'm glad the coding exercises landed too, since that's the part most resources skip. New tracks are coming, so if there's something you want next, write me at hello@quiddityml.com. The axolotl says thank you as well :)

## Frequently asked questions about QuiddityML

### What is QuiddityML?

QuiddityML is an educational application designed to help users understand machine learning and AI through structured tracks, hands-on coding exercises, and built-in spaced repetition for effective learning.

### What learning methods does QuiddityML use?

QuiddityML employs a hands-on approach with 11 types of exercises, ranging from concept recognition to building models from scratch. It also integrates spaced repetition to reinforce learned material over time.

### Does QuiddityML offer offline access?

The provided data does not specify whether QuiddityML offers offline access. It is recommended to check the app store listing or contact the developer for this information.

### What are the subscription options for QuiddityML?

QuiddityML offers two subscription plans: QuiddityML Pro Monthly at $19.99 and QuiddityML Pro Yearly at $149.99. These plans likely unlock premium features or content.

### How does QuiddityML help with job interviews?

Each unit in QuiddityML concludes with specialized projects and real interview questions, allowing users to test their knowledge, sharpen their skills, and prepare for technical interviews in ML engineering and research.

### What age rating does QuiddityML have?

QuiddityML has an age rating of 4+, making it suitable for a wide range of users interested in learning about machine learning and AI.

### How often is QuiddityML updated?

QuiddityML was last updated on September 13, 2026, with version 1.0.2. New tracks are also added regularly, indicating ongoing development and content expansion.

### Is QuiddityML available on Android devices?

Based on the supported devices listed (iPhone, iPod), QuiddityML appears to be primarily available on iOS. It is advisable to check the app store for Android availability.

## Version history (last 5 releases)

### 1.0.5 — 2026-09-26

- Daily quests: three new quests every day, with a ring in the top bar that fills as you go.
- Streak freezes: miss a day without losing your streak.
- Streak repair: bring back a lost streak with Pro.
- Leaderboard: see how your XP stacks up, and set your name and username in your profile.
- Tap any stat in the top bar to see what it means.
- Report a problem with an exercise straight from the lesson.
- A simpler Pro screen, now with a free trial on the yearly plan.
- Bug fixes and polish.

### 1.0.4 — 2026-09-23

- New ML Foundation Light track: learn the core ideas of machine learning with no coding required
- Code exercises now run real Python and PyTorch
- Your typed code is remembered if you leave an exercise and come back
- Smoother typing: better keyboard handling, a space key in the code row, and scrolling fixes
- Bug fixes and polish

### 1.0.3 — 2026-09-17

- Intro to Computer Vision track reworked: tighter flow, less repetition
- Bug fixes and improvements

### 1.0.2 — 2026-09-13

- Discover features at your own pace and earn XP
- Bug fixes and improvements

### 1.0.1 — 2026-09-11

- Added a new Computer Vision track
- Lessons and images load faster
- Smoother tapping and swiping in multiple-choice and equation exercises
- Bug fixes and polish

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-03.*