Comparison

Hidden Numbers vs AstroSpell

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Hidden Numbers

Features
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Master Math & Counting skills with Hidden Numbers! Ready to sharpen your math and counting skills? Get Hidden Numbers: Math Game – the fun, challenging, and completely ad-free game in which you will play and learn at the same time! Whether you're a quick thinker or prefer a relaxed pace, our puzzles will boost your arithmetic! Enjoy the full version with zero ads, no in-app purchases and freedom of playing the game anytime, anywhere without internet or wi-fi! KEY FEATURES: • 7 Game Modes: Choose from modes that focus on addition, multiplication, and more! • Easy or Hard: Pick the difficulty that matches your skill level. • Timed or Relaxed: Race against the clock in Challenge Mode or enjoy a stress-free session in Relax Mode! Tap the CLOCK icon to switch. • Global Competition: Submit your score and climb the TOP20 global leaderboards! See how you stack up against players worldwide! • Play Anytime, Anywhere: Enjoy the full game offline – no internet connection needed! • Uninterrupted gameplay: Zero ads! • No Hidden Fees: No In-App Purchases, no subscriptions! Get the complete, feature-packed game right away! Learning math has never been this enjoyable! Stop dreading numbers and start having fun!

About

AstroSpell

Features
Read full description

AstroSpell is a space-themed word mission game that turns spelling practice into a galaxy journey. Reveal astronomy words, manage oxygen, survive hazards, collect star coins, unlock achievements, and learn real space facts as you progress. The app includes campaign levels, a deterministic daily challenge, Spell-It recall mode, spoken word pronunciation, spaced-repetition review, accessibility-friendly typography, and a Mission Control learning hub. Version 1.3 adds Today's Flight Plan in Mission Control. The app reviews your local progress, missed words, review queue, and accuracy to recommend the best next session: Recovery Run, Spell-It, Campaign, or Daily Challenge. It also shows focus words, estimated practice time, and the category most worth reviewing. Core features include: - 200 astronomy word missions with original hints and facts. - Campaign, Daily Challenge, Spell-It, and Recovery Run modes. - Spoken pronunciation using on-device text-to-speech. - Spaced-repetition word review for missed words. - Mission Control learning hub with the new daily Flight Plan. - Difficulty profiles for different skill levels. - Achievements, star coins, upgrades, and galaxy map progression. - Safe offline play with local stats and progress. - Accessibility options including dyslexia-friendly typography. - Synthesized audio and haptics. AstroSpell does not require an account. Progress, settings, and word mastery stay on the device.

Screenshots

Hidden Numbers4 screens
AstroSpell4 screens

Verdict

The call

The clearest difference is update cadence: AstroSpell at every 6 days against Hidden Numbers's every 10 months. AstroSpell also leads on price ($0.99 vs $1.99). Hidden Numbers's advantage is iOS requirement (12.0 vs 17.0). On ads, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

Hidden Numbers costs $1.99 and AstroSpell $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Hidden Numbers ships an update every 10 months, AstroSpell every 6 days. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

Scorecard3 real differences · 3 level
Hidden Numbers versus AstroSpell: the parameters behind the verdict, then further details
ParameterHidden NumbersAstroSpell
Price$1.99$0.99 — better
Update frequencyEvery 10 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size14 MB7 MB
Age rating4+4+
DeveloperMichal SajbanRobert Corbin

In-app purchases

None

Hidden Numbers

No in-app purchases

None

AstroSpell

No in-app purchases

Questions

Is Hidden Numbers free?
Hidden Numbers costs $1.99, with no in-app purchases.
Is AstroSpell free?
AstroSpell costs $0.99, with no in-app purchases.
Do Hidden Numbers or AstroSpell have ads?
Neither Hidden Numbers nor AstroSpell shows ads.
Which is updated more often, Hidden Numbers or AstroSpell?
Hidden Numbers ships an update every 10 months, and AstroSpell every 6 days. Most recently, Hidden Numbers was updated on October 1, 2026 and AstroSpell on October 9, 2026.

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