Comparison

Planète du jour vs Study Buddy

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

Head to head
About

Planète du jour

Features
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Des heures de jeux éducatifs pour les 5-8 ans. Une planète et 5 jeux par jour pendant 30 jours. 10 types de jeu. - Recherche de l'élément unique - Jeux de symétrie - Quadricolor - Jeux de reconnaissance - Pyramides d'additions - Puzzle mathématique - Puzzles - Jeux de paires - Pentamino - Mots-mêlés

About

Study Buddy

Features
Read full description

StudyBuddy is an offline-first study helper for school. Ask questions, look up words, and review math — even in airplane mode after a quick setup. Use AI-powered answers, tools, and games designed for K–12 and intro college. Study anywhere without needing a constant internet connection. ◆ Ask questions your way • Type a question and get a clear, age-appropriate answer • Use on-device voice input to ask out loud • Point the camera at a problem and let OCR turn it into text • See answers grounded in a built-in study library ◆ Math help • Arithmetic solver for step-friendly answers • Math formulas: fill in known values and solve for the one you’re missing • Standard and scientific calculator with angle modes • Graphing calculator to visualize expressions • Programmable calculator for custom routines • Math flashcards to drill core skills • Math tricks and exercises to practice ◆ Language & reading tools • English dictionary for quick word lookups • Thesaurus to find synonyms and related words • Idioms and phrases bank to understand common expressions • Word puzzle helper to reason through tricky puzzles ◆ Study organization • Subjects tab with core subjects ready to go • Add, rename, reorder, or remove subjects to match your classes • Create quick notes inside each subject • Study library with indexed curriculum-style content • Planner for upcoming work and study blocks • Study timer to stay focused in short sessions ◆ Camera, files, and QR • Scan printed questions or notes with the camera • Import images, PDFs, and text from Photos and Files • Generate and scan QR codes to share notes and StudyBuddy content ◆ Slam Book & share cards • Create a personal Slam Book share card • Share your card by QR code or import a friend’s card • View cards by grade and subject ◆ Teacher tools (optional role) • Switch into Teacher Tools from the app • Add classes with names and sections • Upload a CSV or Excel roster with standard headers • Add students one by one if you prefer • See your teaching load and active class • Take attendance • Quickly make random student groups for activities • Build simple lesson plans with objectives, activities, and homework ◆ Designed for real devices • Fully functional offline after initial knowledge setup • Works in airplane mode with on-device AI and retrieval • Light, dark, and system themes • Adjustable in-app text size on top of Dynamic Type • Remembers the last tab you were using Start using StudyBuddy to ask questions, look up words, and organize your schoolwork — online or offline. Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Study Buddy4 screens

Verdict

The call

The clearest difference is price: Planète du jour at Free against Study Buddy's $0.99. Planète du jour also leads on iOS requirement (15.6 vs 17.0). Study Buddy's advantage is update cadence (every 3 days vs every 16 months). On 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

Planète du jour is free to download; Study Buddy costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Planète du jour ships an update every 16 months, Study Buddy every 3 days. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 3 level
Planète du jour versus Study Buddy: the parameters behind the verdict, then further details
ParameterPlanète du jourStudy Buddy
PriceFree — better$0.99
Update frequencyEvery 16 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPadiPhone, iPad — better
Requires iOS15.6 — better17.0
Further details — not scored
Size92 MB272 MB
Age rating4+4+
DeveloperCROMBEZ EmmanuelOna Pacholo Asis

In-app purchases

None

Planète du jour

No in-app purchases

None

Study Buddy

No in-app purchases

Questions

Is Planète du jour free?
Planète du jour is free to download, with no in-app purchases.
Is Study Buddy free?
Study Buddy costs $0.99, with no in-app purchases.
Do Planète du jour or Study Buddy have ads?
Neither Planète du jour nor Study Buddy shows ads.
Which is updated more often, Planète du jour or Study Buddy?
Planète du jour ships an update every 16 months, and Study Buddy every 3 days. Most recently, Planète du jour was updated on November 1, 2026 and Study Buddy on November 5, 2026.

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