NPS Independence Junior Ranger vs Osmo Math Wizard
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
NPS Independence Junior Ranger
Engage in five interactive historical activities to become an Independence Junior Ranger. Complete all activities to earn a digital certificate, which can be exchanged for a physical badge at the Independence Visitor Center.
- Interactive historical activities
- Ring the Liberty Bell simulation
- Sign the Declaration of Independence
- Create custom portraits
- Design your own seal
- Earn a digital Junior Ranger certificate
- Redeem certificate for a physical badge
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Become an Independence Junior Ranger with this official National Park Service app. Have fun with any of the five interactive activities: -Ring the Liberty Bell -Sign your Declaration of Independence -Create your own portrait -Print on Benjamin Franklin's press -Create your own seal. Play one activity or play them all! Complete all five activities to earn your Junior Ranger certificate. In the park? Show the certificate to a park ranger at the Independence Visitor Center to get your Junior Ranger badge. # Features Ring the Liberty Bell - Just tilt your iPhone to ring the Liberty Bell. But first, learn more about the famous crack. Tap on the blue circles and listen carefully. You may hear these words: Proclaim Liberty Throughout All the Land Unto All the Inhabitants thereof. What does liberty mean to you? Print on Benjamin Franklin's press - Drag the letters in your name on to the composing stick and then use your finger to coat them with ink. When you're ready, pull the lever to earn your Printer's badge. Sign your Declaration of Independence - Personalize your own Declaration and then sign it. The men of the Second Continental Congress pledged to give up what was important to them for freedom. What would you give up for freedom? Create your own portrait - Look at Benjamin Franklin's portrait to learn how to uncover clues in a painting. Then choose objects for your own portrait that tell people about you. Create your own seal - Learn about the Great Seal of the United States and then create your own seal. You choose the shield, the characters and even a name.
Osmo Math Wizard
This app offers a curriculum-inspired math learning adventure for children aged 6-8. It uses interactive games to teach addition, subtraction, place value, measurement, and early algebraic concepts. The app aims to build math confidence through engaging challenges and rewards.
- Addition and subtraction practice
- Place value and counting
- Measurement skills
- Algebraic thinking introduction
- Repeated addition for multiplication
- Problem-solving challenges
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A self-paced and curriculum-inspired learning adventure for ages 6-8. Part of the Osmo Math Series for Grades 1-2, Math Wizard takes your child on an adventure that builds math confidence and rewards them along the way. Magical Workshop: An addition & subtraction adventure! In this collection of games, brew potions with dragon claws and sparkle dust to master place value. Continue your quest as you count balloons to help dragons fly! Part of the Osmo Math Series. What they’ll learn Addition and subtraction within 120 Counting and place value Comparing numbers Secrets of the Dragons: Master measurement with Math Wizard! Learn measurement at your own pace in a world filled with rare dragons. Explore the Dragon Reserve to complete your Dragon Guidebook. Measure and care for your dragons and watch them grow! What they’ll learn How to use non-standard units to measure How to use ruler to measure Estimating length Adding lengths Amazing Airships: Build your Math Wizard Skills! Join Rupert in building and designing airships for the many islands of Spellbarrow Port! Using mathematical thinking plus Rupert’s magical wrench, you’ll deliver packages and navigate through challenges. What they’ll learn Building and balancing equations Addition and subtraction practice Solving for an unknown value Introduction to algebraic thinking Enchanted World Games: A Multiplication Challenge! Race to create power smoothies! Boost your math skills while giving your team the magic fuel they need to take home the gold! What they’ll learn Repeated addition as a foundation of multiplication Advanced addition and subtraction Number decomposition Analytical skills … More games to come! ... ABOUT OSMO -- 21ST CENTURY PLAY AND LEARNING: Osmo uses the screen to create a new healthy, hands-on learning experience that promotes creativity, problem-solving and social interaction. We do this with our reflective artificial intelligence technology.
Screenshots
Verdict
The clearest difference is review sentiment: NPS Independence Junior Ranger at 83% against Osmo Math Wizard's 37%. NPS Independence Junior Ranger also leads on rating (5.0 vs 3.9) and ads (none vs shown). Osmo Math Wizard's advantage is ratings volume (196 vs 13) and update cadence (every 5 weeks vs every 3 months). On price and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
NPS Independence Junior Ranger holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Osmo Math Wizard has 196 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 83% of NPS Independence Junior Ranger's written reviews are positive against 37% of Osmo Math Wizard's.
NPS Independence Junior Ranger ships an update every 3 months, Osmo Math Wizard every 5 weeks. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.
| Parameter | NPS Independence Junior Ranger | Osmo Math Wizard |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (13 ratings) — better | 3.9 (196 ratings) |
| Positive reviews | 83.3% of reviews — better | 37.2% of reviews |
| Number of ratings | 13 | 196 — better |
| Update frequency | Every 3 months | Every 5 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 137 MB | 1.8 GB |
| Age rating | 4+ | 4+ |
| Developer | National Park Service | Tangible Play |
Customer experience
NPS Independence Junior Ranger
Osmo Math Wizard
Bugs and requests
NPS Independence Junior Ranger
Not enough reviews yet to summarise bugs or requests.
Osmo Math Wizard
Reported bugs
14 issues- Game crashes on tutorial/first dragon
- App freezes
- Cannot sign into account (invalid email)
- Emails for registration not received
- Game not scanning pieces (chips, food)
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- Incorrect answers not accepted
- Progress lost overnight
- Wyverdale express game broken after update
- Dragon lost its eyes after upgrade
- Cannot remove 'Joy' in Potions
- Game won't get past first animal in Potions
- App locks up after adding new games
- Cannot close activities or go back after mistakes
- Fruit Juice Team bugging out
Requested features
7 requests- Add more levels
- Add more stories/locations in Potions
- Ensure app supports newer iPads
- Add French language option
- Improve customer support responsiveness
Show 2 moreShow fewer
- Make guidebook pages reusable (dry erase)
- Add more Osmo games
In-app purchases
NPS Independence Junior Ranger
No in-app purchases
Osmo Math Wizard
No in-app purchases
Questions
Is NPS Independence Junior Ranger free?
Is Osmo Math Wizard free?
Which has better reviews, NPS Independence Junior Ranger or Osmo Math Wizard?
Do NPS Independence Junior Ranger or Osmo Math Wizard have ads?
Which is updated more often, NPS Independence Junior Ranger or Osmo Math Wizard?
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