The app that makes K–8 kids actually want to practice math, science & critical thinking. Adaptive. Gamified. Results-driven.
67 Challenger solves it by turning daily practice into a game — one with real Bloom Taxonomy depth and measurable skill growth underneath the fun.
Seven engagement algorithms. Eight critical thinking domains. Three grade bands. One app that works.
Dopamine reward pools, streak FOMO alerts, narrative arc progressions, stakes phases (Warm→Building→Tension→Climax), mascot emotion states, social proof anchors, and pacing nudges — orchestrated to make every session feel unmissable.
192 prompts across 8 domains. Bloom taxonomy scored. Weekly domain rotation — fresh every day.
Monitors last 20 results. Auto-promotes grade band at 75%+ accuracy. Always the sweet spot.
Per-child streak, accuracy, CT domain progress, and badge collection — all in one view. Parents stay informed; kids stay motivated.
All data on-device. No ads. No tracking. COPPA-compliant by design.
Mon=Logic, Tue=Patterns, Thu=Decisions. Fresh focus every day.
No training. No onboarding call. No admin burden. Open the app, add a child profile, start the challenge.
Add each child. App auto-detects K2, G35, or MS level. Supports up to 35 kids per account for classrooms.
4 prompts — math, science, or critical thinking. A 67-second timer keeps every question focused and exciting.
Correct answers unlock points, badges, and variable multipliers. Streaks create genuine daily habit loops.
Hit 75%+ accuracy? The app promotes to the next grade band automatically — always the right challenge.
Each grade band is purpose-built — not simplified content, but curriculum-aligned challenges designed for that cognitive stage.
Concrete thinking, story scaffolds, emoji anchors, sentence starters. Simple rules, confidence-building rewards.
Ages 5–7Transitional reasoning, analogy mapping, cause & effect chains, multi-step problems. Building real logic.
Ages 8–10Abstract reasoning, Bloom Levels 5–6, formal logic, counterarguments, systems thinking, decision matrices.
Ages 11–14Every dimension of critical thought — from formal logic to creative synthesis — mapped to Bloom Taxonomy and grade band.
Real reviews from verified users on Capterra, GetApp, and Software Advice.
"My 8-year-old asks to do her 67 Challenger before screen time every single day. The streak mechanic is genius — she absolutely cannot let it break."
"I piloted this with my 4th-grade class for 6 weeks. Accuracy on Friday math assessments improved 22% on average. The kids cheer when the 67-second timer starts."
"We homeschool three kids across different grade levels. The app handles all three — each at their own band — and I see all their progress in one dashboard."
All plans include a generous free trial. Upgrade when you're ready. Cancel anytime — no questions asked.
No credit card required · Setup in under 5 minutes · Cancel anytime
Available on IOS and Android. Free trial
67 Challenger by JJLoLo is a product of CloudOneSoftware LLC · Jersey City, NJ · SAM.gov Registered · MOB/BAOB Certified · Microsoft Partner · HubSpot Technology Partner
* Ratings and review counts shown are representative of verified user-submitted reviews on Capterra, GetApp, and Software Advice, all properties of Gartner Digital Markets. Inclusion on these platforms does not constitute an endorsement by Gartner Digital Markets or Gartner, Inc. Capterra, GetApp, and Software Advice are registered trademarks of Gartner, Inc. and its affiliates.