Comparison

Spongeball Billy vs FLE

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

Head to head
About

Spongeball Billy

This app offers a magical spongeball companion with narrated stories, coloring pages, and interactive games. It provides a free set of activities and allows for additional content purchases to expand the adventure.

Highlights
  • Narrated stories
  • Coloring pages
  • Interactive games
  • Magic spongeball character
  • Downloadable content
Features
Read full description

Spongeball Billy is a magic Spongeball come to life. He is a friend and companion to everyone. He brings magic and adventure. Spongeball Billy stories, coloring pages and activities. Three short narrated stories about SpongeBall Billy, 9 coloring pages and 3 game/activities, all for free! In-app purchase for additional 3 stories, 9 coloring pages and 3 more activities/games.

About

FLE

Features
Read full description

Prepare for official French exams in one app. FLE gives you exam-style practice for DELF A1–B2, TEF and TCF (Canada, Québec, IRN, DAP and Tout Public), with clear explanations, AI marking for your writing and the vocabulary and grammar each level needs. Practice like the real exam • Exam-style tests for reading, listening, writing, vocabulary and grammar • Full-length sections that follow the structure of DELF, TEF and TCF • Check each answer as you go, or pause and come back to it later • See every question at a glance after a test, and where your time went AI marking for your writing • Hand in your writing and get a score for the paper and for each question • See the criteria where you lost marks, with the examiner-style reason • Corrections show the exact words to fix first • Open a sample evaluation for DELF and TCF Canada before you start Understand every answer • Translation of the instructions, passage and question • Key words from the question, with examples • The grammar behind the answer • A short explanation of why the right answer is right Learn what each level needs • 4,000 exam words in 200 themed lists from A1 to B2, with IPA • Vocabulary quizzes in both directions: French → meaning and meaning → French • 200 grammar points with patterns and examples • French expressions for writing, speaking and everyday conversation • Flashcards with spaced review: add words from any list or build your own decks • Bookmarks to come back to any question, word or grammar point Stay on track • Upcoming DELF exam dates (always confirm with your test centre) • Study reminders at the time you choose • Dark mode, including pure black, with answer colours that stay readable • Multilingual support: Supports multiple languages Who is FLE for? • Students preparing for DELF A1, A2, B1 or B2 • TEF and TCF candidates applying for study, work, residence or immigration in Canada, Québec or France • Anyone who wants structured French practice from beginner level up to B2 FLE is an independent study app. It is not affiliated with France Éducation international, the CCI Paris Île-de-France or any official exam body. Questions or feedback? Email fle@knongdai.com Privacy Policy: edu.knongdai.com/fle/privacy-policy Terms of Use: apple.com/legal/internet-services/itunes/dev/stdeula

Screenshots

Spongeball Billy4 screens
FLE4 screens

Verdict

The call

The clearest difference is update cadence: FLE at every 3 weeks against Spongeball Billy's every 24 months. Spongeball Billy's advantage is iOS requirement (12.2 vs 17). On price, ads, in-app purchases 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. Spongeball Billy sells 1 one-off in-app purchase and FLE sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Spongeball Billy ships an update every 24 months, FLE every 3 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard2 real differences · 8 level
Spongeball Billy versus FLE: the parameters behind the verdict, then further details
ParameterSpongeball BillyFLE
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 24 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.2 — better17
Further details — not scored
Size54 MB59 MB
Age rating4+4+
DeveloperRichard WittmannEa Hang Khov

In-app purchases

1 purchases

Spongeball Billy

One-time1
  • Spongeball Billy Bundle 1$2.99
4 purchases

FLE

Subscriptions2
  • FLE+$4.991 Month
  • Yearly Plan$29.991 Year
One-time2
  • 20 AI Writing Credits$0.99
  • FLE+$49.99

Questions

Is Spongeball Billy free?
Spongeball Billy is free to download, with in-app purchases available.
Is FLE free?
FLE is free to download, with in-app purchases available.
Do Spongeball Billy or FLE have ads?
Neither Spongeball Billy nor FLE shows ads.
Which is updated more often, Spongeball Billy or FLE?
Spongeball Billy ships an update every 24 months, and FLE every 3 weeks. Most recently, Spongeball Billy was updated on November 3, 2026 and FLE on November 4, 2026.

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