DJAI Game Analytics
Updated Aug 21
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HappyLearn Pro : Math & PuzzleABM Group · Educational · released Jun 24, 2026 · Everyone
Help kids master math with interactive learning, puzzles & engaging challenges.
Installs
Exactly what Play publishes: a bucket floor, not a count. `realInstalls` is not available from the store at all.10+
Installs / day
Modeled, not measured. Google Play only publishes install bucketslike “1,000,000+”, and no install history at all. We measure the exact rating count — which is public and ticks continuously — and convert it using an installs-per-rating factor calibrated from this game's own bucket floor. Treat it as an order-of-magnitude signal, never a count.—
Store rating
Exact. Play publishes the review score and the rating count as real numbers, which is precisely why the install model is calibrated against ratings.—/ 5
Momentum
A transparent weighted sum of four components. The breakdown below shows exactly how many points each contributed.6.0/ 100
Best rank
Each component's contribution to the headline score. Add the four and you get the number above.
Log-scaled install velocity. Modeled from exact rating counts — Play only publishes install buckets.
Places gained toward #1 across the window. Saturates at 50 places. Measured from our own chart captures.
Decays linearly over the first 90 days after release. Measured from the store's release date.
Crossing an install bucket (0.6) plus holding a top-20 slot (0.4). Measured.
Rating and review counts as captured by us. These are exact integers published by Play — no model involved.
Collecting history
No captures yet for this growth curve.
Where this game sits right now, best slot first. Real, observed placements — just not yet a history.
Play publishes no rank history. Every point here is a chart position we recorded ourselves.
Play publishes a floor, never a count — so this is a ladder of the rungs, not a line.
Currently in the 10+ bucket. Play publishes only this floor, never an exact count, and never a history — so a rung change is the only install movement we can observe directly.
The published review score. Plotted on its own axis rather than twinned with the audience curve — two measures, two charts.
Collecting history
No captures yet for this rating trend.
Every slot held at our most recent capture. Play exposes only three collections — top free, top paid and grossing — so this is the complete picture, not a sample.
Not currently in any chart we crawl. A game can be healthy and still sit outside the top 50 of every collection.
160 tracked educational games.
Where the numbers on this page came from, and when.
#13