
69
BU Score
Solid
Orthographe Projet Voltaire
✍️ BU Analytics Review
“
Orthographe Projet Voltaire is an Android app from Woonoz in the Education category, currently rated 4.4★ across 13,175 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.
Our BU Score puts it at 69 — Solid (established niche player). For a Education app, that means established niche player.
Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.
creator
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
Range:
💰 Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 3 of 3 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (13,175 ratings)METRIC | +$5,500 | |
| Good rating (4.4★)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v10.0.3🔄 updated 3y ago📂 Education💰 Free
📝 About this app
Angry with spelling or passionate about the French language? Like you, 7 million people have already chosen the Voltaire Project, the No. 1 spelling refresher, used by 4,000 schools and 1,200 companies. From 8 to 99 years old, whatever your level, this fun and terribly effective app will surely reconcile you with spelling.
Progress is lasting and guaranteed thanks to its ultra-personalized training and refresher method, the only one that adapts in real time to your shortcomings and your memorization pace. This method is based on the Ancrage Mémoriel® engine and its effectiveness has been scientifically proven.
Click on the mistake, square of choice, sound exercises... the Voltaire Project offers simulation exercises that allow you to detect mistakes, but also to write a word correctly with the correct spelling, the correct agreement, the correct conjugation . Progress from level to level and master the essential rules to be comfortable in any situation. Access your learning statistics at any time and discover your progress!
Once your training is over, why not take the Voltaire Certificate? An asset on your CV to make a difference with recruiters and testify to your competence. With 1,800 approved examination centers, do not deprive yourself of this certification already passed by 200,000 people!
01Net: "Project Voltaire is the best tool for those who wish to make serious progress in spelling" (August 2019)
TF1: "A large-scale application that reconciles the French with spelling" (Journal de 20 heures, May 2, 2019)
M6: "The Voltaire Project is a huge success, with 5 million users" (Le 19.45, 22 mars 2019)
France Inter: “The Voltaire Project, an app to fill spelling gaps” (March 4, 2019)
Elected "best e-learning service in Europe across all disciplines" by EFFEP (European foundation for e-learning projects).
Richelieu Senghor Prize for his exceptional contribution to the influence of the French language in the world.
General conditions of use: https://www.projet-voltaire.fr/mentions-legales/
Twitter: https://twitter.com/Projet_Voltaire
Facebook: https://www.facebook.com/Projet.Voltaire/
Progress is lasting and guaranteed thanks to its ultra-personalized training and refresher method, the only one that adapts in real time to your shortcomings and your memorization pace. This method is based on the Ancrage Mémoriel® engine and its effectiveness has been scientifically proven.
Click on the mistake, square of choice, sound exercises... the Voltaire Project offers simulation exercises that allow you to detect mistakes, but also to write a word correctly with the correct spelling, the correct agreement, the correct conjugation . Progress from level to level and master the essential rules to be comfortable in any situation. Access your learning statistics at any time and discover your progress!
Once your training is over, why not take the Voltaire Certificate? An asset on your CV to make a difference with recruiters and testify to your competence. With 1,800 approved examination centers, do not deprive yourself of this certification already passed by 200,000 people!
01Net: "Project Voltaire is the best tool for those who wish to make serious progress in spelling" (August 2019)
TF1: "A large-scale application that reconciles the French with spelling" (Journal de 20 heures, May 2, 2019)
M6: "The Voltaire Project is a huge success, with 5 million users" (Le 19.45, 22 mars 2019)
France Inter: “The Voltaire Project, an app to fill spelling gaps” (March 4, 2019)
Elected "best e-learning service in Europe across all disciplines" by EFFEP (European foundation for e-learning projects).
Richelieu Senghor Prize for his exceptional contribution to the influence of the French language in the world.
General conditions of use: https://www.projet-voltaire.fr/mentions-legales/
Twitter: https://twitter.com/Projet_Voltaire
Facebook: https://www.facebook.com/Projet.Voltaire/
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Orthographe Projet Voltaire
- Developer
- Woonoz
- Bundle ID
- com.projet.voltaire
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- Not found
- Tagline
- Not found
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $1.1K/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- Not found
- Not found
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- Not found
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- Not found
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
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