Comparison

KidsApp vs Flash Stack

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

Head to head
About

KidsApp

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This learning app will enable children to learn letters, names of animals and fruits, draw over the letters and learn words in alphabetical order with voice pronunciation. Also children can play challenges like find missing letters, cut the fruit etc. -> Simple, colorful and attractive design - sparse content on a single screen to retain kid's focus without distractions. -> Simple and large buttons for the kids to be able to click easily. . -> Speech enabled - kids learns to identify objects by their names. -> Schools can make use the app to teach in nursery or kindergarten courses. -> Preschool teachers can hand over the app on tablets as educational activities. This learning app has following features:- -> Introduction of alphabets from A to Z both small and capital letters with audio. -> Learn about animals with cool images and audio. -> A section to learn different colors. 'Paint a car' by tapping on paint bucket. -> Trace alphabets - This section will help the kids to trace over alphabets A to Z. This free draw will improve their writing skills. -> Introducing different objects, animals, fruits and birds with images and its pronounciation in alphabetical order. -> Kids can learn about fruits with images and its audio. Challenges - This is the most interesting section of this learning app. This section is featured with four challenges with different levels. Succesfull attempts in the challenges will reward 3 stars in each level. -> Blast the fruit :- Blast/Explode a fruit by tapping on it. Identify correct fruit from given choices. -> Jigsaw :- Re-arrange shuffled jigsaw's in the correct order. A preview of original image is provided, so kids can arrange it effortlessly. -> Fill the letter :- This section show an image and let the kids to fill the missing letter. Three options are given on three boxes at the bottom. -> Match it :- Three jigsaw with images on left side and names of the jigsaw on right side. This is a match the following concept to drap and connect the jigsaw with correct word. -> Gifts :- Grab more stars from challenges to unlock amazing gifts. -> Settings - Option to On/Off music and audio, Reset tutorials etc

About

Flash Stack

Features
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Flash Stack helps you build simple flashcard decks, review what is due, and keep track of your progress without clutter. It is especially useful for GCSE revision, A Level revision, mock exam prep, and steady day-to-day study. Create custom decks for topics, formulas, essay plans, key quotes, definitions, case studies, dates, vocabulary, and revision cards for the subjects you actually study. Add cards one at a time, bulk import larger sets, or export a deck when you want to back it up or move it elsewhere. Study sessions focus on the cards that are ready for review. Reveal each answer, rate how well you remembered it, and Flash Stack schedules the next review using the SM-2 spaced repetition approach. Features: - Create unlimited custom decks - Add and edit question-and-answer cards - Bulk import cards from text, CSV, TSV, or JSON files - Export decks as JSON - Review due cards in focused study sessions - Rate cards as Again, Hard, Good, or Easy - Track review activity, retention, streaks, and upcoming workload - Set an optional daily reminder - Built with support for VoiceOver, Dynamic Type, and Reduce Motion - Clear labels, spoken summaries, and accessible study controls - Works without an account Whether you are preparing for GCSE mocks, A Level papers, class tests, or personal study goals, Flash Stack is designed for quick daily revision. Use it for science facts, maths formulas, history dates, English quotes, languages vocabulary, and other exam content you need to remember properly.

Screenshots

KidsApp4 screens
Flash Stack4 screens

Verdict

The call

The clearest difference is update cadence: Flash Stack at every 3 days against KidsApp's weekly. KidsApp's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 18.6). On price, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

KidsApp ships an update weekly, Flash Stack every 3 days. The most recent releases landed on October 4, 2026 and September 29, 2026 respectively.

Scorecard3 real differences ยท 3 level
KidsApp versus Flash Stack: the parameters behind the verdict, then further details
ParameterKidsAppFlash Stack
PriceFreeFree
Update frequencyWeeklyEvery 3 days โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betteriPhone
Requires iOS9.0 โ€” better18.6
Further details โ€” not scored
Size103 MB8 MB
Age rating4+4+
DeveloperILEAF SOLUTIONS PRIVATE LIMITEDReuben Enterprises Ltd

In-app purchases

None

KidsApp

No in-app purchases

None

Flash Stack

No in-app purchases

Questions

Is KidsApp free?
KidsApp is free to download, with no in-app purchases.
Is Flash Stack free?
Flash Stack is free to download, with no in-app purchases.
Do KidsApp or Flash Stack have ads?
Neither KidsApp nor Flash Stack shows ads.
Which is updated more often, KidsApp or Flash Stack?
KidsApp ships an update weekly, and Flash Stack every 3 days. Most recently, KidsApp was updated on October 4, 2026 and Flash Stack on September 29, 2026.

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