Comparison

30 Seconds vs Prime Not Prime

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

Head to head
About

30 Seconds

Test your mental math abilities by solving as many equations as possible within a 30-second time limit. This app focuses on addition, subtraction, and multiplication, with plans to add more operations. Track your progress and aim for new high scores.

Highlights
  • Solve math equations quickly
  • Improve mental math skills
  • Includes addition, subtraction, multiplication
  • Track high scores
  • 30-second timed challenges
Features
Read full description

Solve as many math equations you can in 30 seconds. Improve your mental math skills! Includes addition, subtraction, and multiplication. More operations to come! Keep track of your score as you play and view your top scores.

About

Prime Not Prime

A fast-paced game that combines number recognition with a swiping mechanic. Players swipe right for prime numbers and left for non-primes, aiming to build long streaks. It's designed to be both educational and entertaining, with leaderboards for competitive play.

Highlights
  • Addictive swiping gameplay
  • Test prime number knowledge
  • Build streaks and complete challenges
  • Global leaderboards
  • Vibrant visuals and animations
Features
Read full description

Ready to swipe your way to prime number mastery? Prime Not Prime is the fun, fast-paced game where math meets swiping! Like Tinder for numbers, you swipe right for primes and left for everything else. Easy to learn, but can you handle the streak pressure? Features You’ll Love: • Addictive Swiping Gameplay: Swipe numbers left or right in a race against time. • Test Your Knowledge: Spot prime numbers and learn fun math facts. • Streaks and Challenges: Compete to see how long you can keep your streak alive. • Leaderboards: Challenge friends and global players to see who’s the prime master. • Widgets: Guess your prime numbers right from your Home Screen. • Fun Design: Vibrant visuals and satisfying animations make every swipe exciting. Whether you’re a math whiz or just love a challenge, Prime Not Prime is the ultimate game for your brain. Swipe, learn, and have fun with prime numbers! Privacy Policy & Terms: https://www.rspoon3.com/prime-not-prime/privacy/

Screenshots

30 Seconds2 screens
Prime Not Prime4 screens

Verdict

The call

The clearest difference is rating: 30 Seconds at 5.0 against Prime Not Prime's 4.3. 30 Seconds also leads on device support (3 vs 1) and iOS requirement (9.0 vs 17.0). Prime Not Prime's advantage is update cadence (monthly vs every 9 months) and ratings volume (6 vs 1). On price, review sentiment, ads and in-app purchases 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

30 Seconds holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Prime Not Prime has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

30 Seconds ships an update every 9 months, Prime Not Prime monthly. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 5 level
30 Seconds versus Prime Not Prime: the parameters behind the verdict, then further details
Parameter30 SecondsPrime Not Prime
PriceFreeFree
Rating5.0 (1 ratings) — better4.3 (6 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings16 — better
Update frequencyEvery 9 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS9.0 — better17.0
Further details — not scored
Size14 MB15 MB
Age rating4+4+
DeveloperPouria AlmassiRichard Witherspoon

Customer experience

30 Seconds

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Prime Not Prime

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

30 Seconds

No in-app purchases

None

Prime Not Prime

No in-app purchases

Questions

Is 30 Seconds free?
30 Seconds is free to download, with no in-app purchases.
Is Prime Not Prime free?
Prime Not Prime is free to download, with no in-app purchases.
Which has better reviews, 30 Seconds or Prime Not Prime?
30 Seconds is rated higher. 30 Seconds averages 5.0 out of 5 from 1 ratings, while Prime Not Prime averages 4.3 from 6 ratings.
Do 30 Seconds or Prime Not Prime have ads?
Neither 30 Seconds nor Prime Not Prime shows ads.
Which is updated more often, 30 Seconds or Prime Not Prime?
30 Seconds ships an update every 9 months, and Prime Not Prime monthly. Most recently, 30 Seconds was updated on November 1, 2026 and Prime Not Prime on October 30, 2026.

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