Comparison

Flash Cards Widget vs FlashStacks

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

Head to head
About

Flash Cards Widget

Transform your phone's lock and home screens into dynamic learning tools. Effortlessly reinforce knowledge with flashcards appearing as you check the time, integrating education seamlessly into your daily habits without opening an app.

Highlights
  • Lock screen flashcards
  • Home screen widgets
  • Habit-based learning
  • Seamless integration
  • Effortless recall reinforcement
  • Customizable learning
Features
Read full description

Flash cards for your lock screen and your home screen! Unlock your mind every time you unlock your phone. With the ease of a glance, learning becomes second nature—because now, knowledge lives where your habits do. Imagine every time you check the time, a flashcard is there, waiting, gently nudging you to remember, rethink, or discover something new. The lock screen transforms into a doorway to knowledge, with a tap as your key. No app to open, no distractions—just a quick moment to challenge yourself, to see if you can recall what you need, and then flip to check. It's learning in its simplest, most effortless form. Every glance at your phone is a chance to reinforce the things that matter most to you. From languages and trivia to work essentials or personal goals, your flashcards become part of your daily rhythm, subtly weaving education into your routine. Whether you're waiting in line, heading into a meeting, or just checking the time, you’re also reinforcing a habit that sharpens your mind. Over time, the simple act of seeing a flashcard each time you reach for your phone will cement facts, ideas, and concepts deeper into your memory. Learning stops feeling like a chore and becomes as easy as a habit you don't even notice you're building. Because we pick up our phones countless times throughout the day, this app makes use of those moments when you're already engaged. Without even trying, your brain connects the dots, strengthens recall, and builds pathways to better retention. It's the power of habit, now multiplied by the technology you interact with most. It’s about creating an autopilot for your memory, turning every glance into an opportunity to learn without disrupting your day. Learning shouldn't feel like work. It should feel natural, integrated into the flow of your life, as easy as unlocking your phone. Now, it's that simple. Start a new habit—one that rewards you every time you check the time. These flashcards turn small moments into big gains, keeping you on track and keeping learning alive, anywhere, anytime. Take the guesswork out of self-improvement and let the lock screen become your personal learning tool. Every card flipped is a step closer to mastering what matters most to you.

About

FlashStacks

Transform study materials into interactive Home Screen widgets. AI generates flashcards from PDFs, and spaced repetition optimizes learning. Visualize concepts with image occlusion and track progress with detailed stats.

Highlights
  • Home and Lock Screen widgets
  • AI-powered PDF to flashcard generation
  • Spaced repetition learning
  • Image occlusion cards
  • Progress tracking and stats
  • Customizable widget themes
Features
Read full description

Your flashcards, on your Home Screen. FlashStacks turns your study cards into beautiful Home Screen and Lock Screen widgets. Glance at a question between classes. Tap to reveal the answer. Move to the next card — all without opening the app. Learning fits into the moments already filling your day. Always visible, always ready Your stacks live as widgets that rotate automatically throughout the day. Every time you check your phone, there's something new to learn. Tap to reveal, tap to advance. AI-powered deck generation Upload any PDF — lecture notes, textbook chapters, study guides — and AI instantly creates a complete flashcard deck. Choose high-yield mode for exam prep or comprehensive for full coverage. Every card is widget-ready from the start. Spaced repetition that works FlashStacks uses the same proven science behind Anki. Cards you struggle with come back sooner. Cards you've mastered fade into the background. Study smarter, not longer. Image occlusion cards Add any image — diagrams, anatomy, maps — and draw boxes over areas to hide. Tap to reveal what's underneath. Perfect for visual subjects. Beautiful by design Every stack gets its own colour palette — soft pastels or bold modern tones. Widgets match your stack's colours. Dark mode uses pure OLED black. Track your progress Per-stack stats show mastery level, difficulty breakdown, and 14-day activity. Build a streak. Hit your daily goal. FlashStacks Premium Create unlimited stacks, generate decks from PDF with AI, add image occlusion cards, and study from your Lock Screen. Monthly and annual plans available. 3-day free trial included with annual. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Flash Cards Widget3 screens
FlashStacks4 screens

Verdict

The call

The clearest difference is in-app purchases: Flash Cards Widget at none against FlashStacks's 2. FlashStacks's advantage is review sentiment (100% vs 75%) and rating (4.5 vs 4.3). On price, ratings volume, update cadence and ads 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. FlashStacks sells 2 in-app purchases, starting at $4.99 per month. Flash Cards Widget asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

FlashStacks holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 6 and 6 respectively. Written reviews point the same way: 75% of Flash Cards Widget's written reviews are positive against 100% of FlashStacks's.

UpkeepUpdate frequency

Flash Cards Widget ships an update weekly, FlashStacks every 5 days. The most recent releases landed on September 13, 2026 and September 9, 2026 respectively.

Scorecard4 real differences · 6 level
Flash Cards Widget versus FlashStacks: the parameters behind the verdict, then further details
ParameterFlash Cards WidgetFlashStacks
PriceFreeFree
Rating4.3 (6 ratings)4.5 (6 ratings) — better
Positive reviews75.0% of reviews100.0% of reviews — better
Number of ratings66
Update frequencyWeeklyEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhoneiPhone
Requires iOS17 — better17.6
Further details — not scored
Size8 MB10 MB
Age rating4+4+
DeveloperHockey Labs, Inc.Bailey Skewes

Customer experience

Flash Cards Widget

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

FlashStacks

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Flash Cards Widget

No in-app purchases

2 purchases

FlashStacks

Subscriptions2
  • FlashStacks Premium — Monthly$4.991 Month
  • FlashStacks Premium — Annual3 Days trial$34.991 Year

Questions

Is Flash Cards Widget free?
Flash Cards Widget is free to download, with no in-app purchases.
Is FlashStacks free?
FlashStacks is free to download, with in-app purchases available.
Which has better reviews, Flash Cards Widget or FlashStacks?
FlashStacks is rated higher. Flash Cards Widget averages 4.3 out of 5 from 6 ratings, while FlashStacks averages 4.5 from 6 ratings.
Do Flash Cards Widget or FlashStacks have ads?
Neither Flash Cards Widget nor FlashStacks shows ads.
Which is updated more often, Flash Cards Widget or FlashStacks?
Flash Cards Widget ships an update weekly, and FlashStacks every 5 days. Most recently, Flash Cards Widget was updated on September 13, 2026 and FlashStacks on September 9, 2026.

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