Comparison

Stacks vs OctoCode

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

Head to head
About

Stacks

Create flashcards from your own experiences and conversations. This app uses spaced repetition to help you remember vocabulary longer with less study. It supports over 100 languages and offers offline study capabilities.

Highlights
  • Create cards from stories and conversations
  • Spaced repetition system (FSRS)
  • Offline study mode
  • Automatic translations
  • Supports over 100 languages
  • Romanization for select scripts
  • Clean, minimal interface
Features
Read full description

Your stories are better. Life's too short to cram from borrowed lists. Stacks turns trips and conversations into cards, then spaced-repetition (FSRS) handles the science. Episodic memory meets spaced repetition. Dream team. Benefits: โ€ข Keep momentum anywhere โ€“ Study offline on flights, trains, or dead zones. โ€ข Stay in sync across devices โ€“ Your progress follows you automatically. โ€ข Focus without distractions โ€“ No ads, just learning. โ€ข Create cards in seconds โ€“ Automatic translations speed up card creation. โ€ข Learn with clearer meanings โ€“ Premium DeepL translations offer high accuracy and context. โ€ข Remember longer with less study โ€“ FSRS schedules reviews at the right time. โ€ข Learn the language you care about โ€“ Supports over 100 languages. โ€ข Crack non-Latin scripts faster โ€“ Romanization for select languages like Japanese, Arabic, Russian, and Hindi. โ€ข Feel calm while you study โ€“ A clean, minimal interface that gets out of the way. Free and Plus Create up to 40 cards for free. Upgrade to Stacks Plus for unlimited cards, DeepL translations, spaced repetition customisation, and more. Perfect for language learners, students, and polyglots who want to study offline, master vocabulary, and remember more with flashcards. Privacy Policy: https://www.thestacksapp.com/privacy Terms of Service: https://www.thestacksapp.com/terms-of-service EUSA: https://www.apple.com/legal/internet-services/itunes/dev/minterms/

About

OctoCode

Features
Read full description

OctoCode is where learners stop just using technology and start creating with it. Most apps give learners something to consume. OctoCode gives them something far more powerful: the ability to build. From their very first session, learners aren't watching someone else code they're making things that move, respond, react, and come alive. That shift, from passive user to active creator, is what OctoCode is built around. A hands-on coding playground powered by the real world OctoCode is designed as an interactive creation environment where learners explore programming through experiences that feel genuinely alive. Learners build projects powered by AI, sensors, robotics, weather data, sound, visuals, logic, and game mechanics. Every concept they learn is immediately visible, testable, and adjustable because understanding code means seeing what it actually does. Instead of memorizing abstract syntax or sitting through passive tutorials, learners in OctoCode experiment. They test an idea, watch it respond, change something, and see what happens. That direct connection between action and outcome is how real understanding forms and how coding stops feeling like a subject and starts feeling like a superpower. More than coding. A complete creative toolkit. Robotics & sensors Control real inputs and outputs. Make things respond to motion, touch, and the environment. Artificial Intelligence Experiment with intelligent systems and build projects that think, adapt, and surprise. Live data & weather Pull in real-world information and build experiences that change with the world. Sound & visuals Create with audio, animation, and interactive graphics that respond to every decision. Game logic & mechanics Design experiences with rules, reactions, and outcomes learners control themselves. Built to make every learners feel like a creator - Explore coding through guided, interactive creation - Test ideas instantly and see real-time feedback - Remix projects and make them their own - Build with AI, robotics, sensors, sound, and game logic - Develop computational thinking through play, not pressure Why OctoCode is different Real interaction โ€” learners learn fastest when they can immediately see what their code does. Every change is visible, every idea testable, and every success feels earned. Concepts don't stay abstract โ€” they become something learners built themselves. Creative by design โ€” This isn't a task-completion app. OctoCode is a place to invent. Learners aren't just finishing exercises โ€” they're making decisions, solving problems, and creating things that feel genuinely theirs. Built for modern curiosity โ€” OctoCode doesn't shy away from powerful technologies. AI, robotics, live environmental data, dynamic systems โ€” learners meet these ideas early, in a context that makes them feel exciting rather than overwhelming. Meaningful screen time โ€” Every minute in OctoCode is spent making, thinking, solving, or discovering. Screen time becomes skill-building time โ€” and learners can see the difference. Grows with every learners From a first line of code to complex, multi-layered projects, OctoCode supports beginners while giving curious learners the space to go further. For parents. A smarter, more creative kind of screen time that builds real skills, real confidence, and real curiosity always. For learners. A place where their ideas become real things. Where coding feels like play. Where technology finally makes sense because they're the ones making it work. For future creators. Technology that feels empowering, not distant. Every project is a step toward thinking like a builder, a designer, an inventor. Learning happens through action. OctoCode is built on that truth. Download OctoCode โ€” and let learners build with code, creativity, robotics, AI, and curiosity. Privacy Policy: https://octocode.app/privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Stacks4 screens
OctoCode4 screens

Verdict

The call

The clearest difference is update cadence: OctoCode at every 8 days against Stacks's monthly. Stacks's advantage is iOS requirement (15.1 vs 17). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Stacks sells 2 in-app purchases, starting at $9.99 per 3 months and OctoCode sells 3 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Stacks ships an update monthly, OctoCode every 8 days. The most recent releases landed on September 10, 2026 and September 14, 2026 respectively.

Scorecard2 real differences ยท 6 level
Stacks versus OctoCode: the parameters behind the verdict, then further details
ParameterStacksOctoCode
PriceFreeFree
Positive reviews100.0% of reviewsโ€”
Update frequencyMonthlyEvery 8 days โ€” better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumโ€”
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS15.1 โ€” better17
Further details โ€” not scored
Size63 MB264 MB
Age rating4+4+
DeveloperLewis HoyAli Edis

In-app purchases

2 purchases

Stacks

Subscriptions2
  • Stacks+ Quarterly$9.993 Months
  • Stacks+ Yearly$27.991 Year
3 purchases

OctoCode

Subscriptions2
  • Monthly Premium$14.991 Month
  • Yearly Premium โ€“ Save 52%$29.991 Year
One-time1
  • Lifetime Premium$49.99

Questions

Is Stacks free?
Stacks is free to download, with in-app purchases available.
Is OctoCode free?
OctoCode is free to download, with in-app purchases available.
Do Stacks or OctoCode have ads?
Neither Stacks nor OctoCode shows ads.
Which is updated more often, Stacks or OctoCode?
Stacks ships an update monthly, and OctoCode every 8 days. Most recently, Stacks was updated on September 10, 2026 and OctoCode on September 14, 2026.

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