Comparison

Flip vs FL Number Practice

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

Head to head
About

Flip

Master any subject with intelligent flashcards that optimize memory retention. Organize your learning with color-coded decks, hashtags, and AI-powered definitions. Sync across devices and share study sets with ease.

Highlights
  • Spaced Repetition Algorithm
  • Color-Coded Decks
  • Hashtag Organization
  • AI-Powered Vocabulary Definitions
  • iCloud Sync
  • Shareable Card Sets
  • CSV & AI Import
Features
Read full description

Master Anything, Anywhere — with Smarter Flashcards Whether you’re learning a language, preparing for exams, or just organizing knowledge, Flip helps you retain more with less effort. Built on a proven spaced repetition system, Flip ensures you review material just before you’re about to forget it — optimizing memory retention over time. Features Designed for Learners: • Spaced Repetition Algorithm: Based on cognitive science, review cards at the right moment to boost long-term retention. • Color-Coded Decks: Visually organize your subjects and seamlessly study cards from multiple decks at once. • Hashtag Organization: Tag your cards with custom hashtags to flexibly group and review related content across decks. • Vocabulary Decks: Build vocabulary decks and get automatic word definitions powered by Apple Intelligence. • iCloud Sync: Create cards on your Mac or iPad, study them on the go with iPhone — all your data stays private and fully synced. • Share Feature: Share entire sets of cards with others easily for collaboration or teaching. • Import Cards: Import from CSV files, or use AI to convert written questions/answers into flashcards. • Deck Notes: Add notes to your decks to keep track of ideas, references, or study reminders. • Total Privacy: Your flashcards are yours alone. No signup required, we use iCloud for syncing, so your data never passes through our servers.

About

FL Number Practice

Features
Read full description

Learn to hear, read, and say numbers fluently in 31 languages. Three practice modes target the gaps that classroom courses miss — native voices, optional automatic pronunciation grading, daily streak tracking, and free cheat sheets. No account required, no data leaves your device. — SEE IT, SAY IT, HEAR IT — • See First: Generate a number, say it aloud, then hear the native pronunciation. Or let the app grade your pronunciation automatically. • Hear First: A native voice speaks a number, you type what you heard. Catches the listening gap most courses miss. • Pronounce: Type any number, record yourself, get instant feedback on whether you said it right. — 31 LANGUAGES, NATIVE VOICES — European Portuguese, Brazilian Portuguese, Spanish, French, German, Italian, Dutch, English, Russian, Arabic, Japanese (Sino and native readings), Korean (Sino and native), Mandarin, Hindi, Persian, Tagalog, Vietnamese, Indonesian, Malay, Thai, Turkish, Polish, Ukrainian, Danish, Finnish, Norwegian, Swedish, Swahili, and Serbo-Croatian — all using iOS's built-in native voices. Download more accents and premium voices any time through iOS Settings → Accessibility → Spoken Content → Voices. — READ THE RULES, THEN PRACTICE THEM — Tap the small arrow next to your learning language to open a clear, mobile-friendly cheat sheet on flnumberpractice.com — covers regular patterns, irregulars to memorize, and how thousands and millions get expressed. 18 languages have published guides; more added regularly without needing an app update. — BUILD A HABIT — Set a daily reminder, watch your streak grow, and see your last 7 days of practice charted in the Stats sheet. — FREE TO TRY, $2.99 TO UNLOCK — The free version includes all three modes, all 31 languages, automatic scoring, stats, reminders, and cheat sheets — capped at numbers 1–100. A one-time $2.99 in-app purchase unlocks numbers from 100 up to 10,000,000 and lets you set any custom range. No subscription, no nag screens. — WHAT FL NUMBER PRACTICE DOESN'T DO — No account required. No data sent off your device. No third-party analytics. No advertising. Microphone audio is used only for in-the-moment pronunciation grading and is never uploaded by us.

Screenshots

Flip4 screens
FL Number Practice4 screens

Verdict

The call

The clearest difference is in-app purchases: Flip at none against FL Number Practice's 1. Flip also leads on update cadence (every 3 weeks vs every 2 months). FL Number Practice's advantage is iOS requirement (16.0 vs 26.0). On price, ads and device support 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. FL Number Practice sells 1 one-off in-app purchase. Flip asks for nothing beyond the download.

UpkeepUpdate frequency

Flip ships an update every 3 weeks, FL Number Practice every 2 months. The most recent releases landed on August 16, 2026 and September 10, 2026 respectively.

Scorecard3 real differences · 7 level
Flip versus FL Number Practice: the parameters behind the verdict, then further details
ParameterFlipFL Number Practice
PriceFreeFree
Rating4.8 (5 ratings) — better—
Positive reviews80.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.016.0 — better
Further details — not scored
Size4 MB9 MB
Age rating4+4+
DeveloperWassim MurrJames Ranalli

In-app purchases

None

Flip

No in-app purchases

1 purchases

FL Number Practice

One-time1
  • FL Number Practice Pro$2.99

Questions

Is Flip free?
Flip is free to download, with no in-app purchases.
Is FL Number Practice free?
FL Number Practice is free to download, with in-app purchases available.
Do Flip or FL Number Practice have ads?
Neither Flip nor FL Number Practice shows ads.
Which is updated more often, Flip or FL Number Practice?
Flip ships an update every 3 weeks, and FL Number Practice every 2 months. Most recently, Flip was updated on August 16, 2026 and FL Number Practice on September 10, 2026.

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