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Fast facts

In one sentence

An ad-free math creature-collector for ages 6–8, where a creature evolves only when the skill behind it is genuinely mastered.

What makes it unusual

• Mastery-gated progress. Creatures evolve only when a skill is genuinely mastered, so an evolution is a real progress signal rather than a timer.
• No data collection. No third-party SDKs of any kind — no analytics, advertising or crash reporting — and the app makes no network calls of its own. The only network access in the binary is Apple's own StoreKit, for the optional subscription. Nothing about a child leaves the device.
• Anti-dark-pattern by design. After the third level of a session the island goes to sunset and the app suggests stopping; "Keep playing" stays, same size, no guilt. No countdown timers, no streaks, nothing losable.
• Wrong answers never fail. A hint ladder reteaches, and help arrives if a child freezes and doesn't tap.
• No reading required, which works for pre-readers and children learning English.
• The free tier is the whole game for a child — 18 levels, all 8 creature species, island building, no ads, no time limit.

Reviewing it

There is nothing to redeem: everything a child plays is free, so you can review the entire game without paying. The one paid feature is the parent dashboard's skill-by-skill mastery view, reachable through the annual plan's built-in 7-day free trial, which can be cancelled before any charge.

Screenshots, a device screen recording, or answers to anything: email support@numberlings.app. No approval over what you write is ever asked for, and criticism is more useful than a kind review.