SCIENCE FICTION · MYSTERYSignal Lost
A voice from an unplugged speaker knows your name. Join Juno and R0-B1 to follow a signal that shouldn’t exist.
Tune into the mysteryMath feels different when there’s a story to uncover. Follow the clues, play with ideas, and find your own way forward.


Strange signals or secret murals?
Choose what pulls you in.
The same math lives in both.
SCIENCE FICTION · MYSTERYA voice from an unplugged speaker knows your name. Join Juno and R0-B1 to follow a signal that shouldn’t exist.
Tune into the mystery
ART · FRIENDSHIP · SECRETSA vanished mural changes after dark. Follow Mina and her friends into a world of hidden patterns and forgotten stories.
Look beneath the paintThree grade-level seasons in each world. Start with the one that fits you.
A signal. A pattern. A hunch.
Try a clue and watch your thinking come to life.
It catches 3 pulses every 2 seconds. How many pulses will arrive in 8 seconds?
Split 8 seconds into groups of 2. Each group carries 3 pulses. How many groups can you count?
Pick a prediction. It’s okay to explore.
One chapter at a time.
A little reading, a little exploring,
and a lot of making connections.
Meet the characters and discover what’s at stake. Every clue has a reason to be there.
Move, choose, and explore. Visual models make abstract ideas a little more tangible.
Stuck? Open a small hint or step back to a foundation. Help is there when you want it.
There’s more than one way in.Learning isn’t always a straight line. Optional, bite-sized helpers revisit foundations from Grade 5 upward, so a missing piece doesn’t have to end the adventure.
Try the free chapter first. A parent can unlock the rest.
Meet Juno in Dead Air, the opening Signal Lost investigation.
Billed annually. About $6.67 per month.
USD. Auto-renews when purchased. Cancel future renewals anytime.
One plan covers both stories and all three grades. No ads, hint tokens, or pay-per-clue extras.
Curious learners working on Grades 6–8 math. Optional helpers revisit foundations from Grade 5 upward. It’s practice and exploration alongside school learning, without promises of a particular grade or test result.
No label required. Clues invite learners to explore, make a prediction, and check their thinking. If something feels unfamiliar, small hints and foundation steps are available.
The homepage clue is a quick, account-free preview. The app’s designated sample is the full Dead Air chapter from Signal Lost, including its clues and help. Other chapters require parent sign-in and Family Premium.
Fablematics is being prepared for the web, iPhone, iPad, and Android. The download page shows which releases are available. Store download links appear when the listings are published.
A parent chooses monthly or yearly access. Both include the same available story catalog and help. Subscriptions renew automatically until canceled through the provider that handled the purchase. Existing paid access continues until the paid-through date, subject to refunds or revocation.
No advertising or open-ended AI chat is included in this experience. The interactive preview runs on your device, and the app’s authored clues and helpers use defined mathematical models. Read our Privacy Policy for details.