Comparison

Brainblast vs World History Slots

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

Head to head
About

Brainblast

This app transforms SAT preparation into an engaging game. It offers practice questions, detailed explanations, and performance analytics to help users achieve their target scores. Designed for all levels of SAT students, it provides a clear path to improvement.

Highlights
  • Gamified SAT practice questions
  • Step-by-step problem explanations
  • Performance analytics and insights
  • Personalized skill-level progression
  • Target score goal setting
  • Progress tracking over time
Features
Currently charting
Read full description

Ready to hit your target SAT score? Brainblast is the most fun & effective way to get there. Every SAT score starts with a goal: the number you need to get into your dream school. Brainblast works backwards from that goal to give you a clear path to reach it. Because improving your SAT score is simple in theory: you need practice. A lot of it. The problem? Most SAT prep feels like… TORTURE Brainblast changes that. We turn Digital SAT prep into a game where every question moves you closer to your target score. #1: PLAY Answer real Digital SAT-style questions and beat topic-based levels designed around your skill level. By test day, you’ll be thinking: “I’ve already seen this before.” #2: LEARN Get clear, step-by-step explanations that show you the fastest way to solve every problem—not just the right answer. #3: Analyze See your SAT progress over time with detailed performance insights. Identify your strengths, fix your weaknesses, and always know what to study next. Watch your predicted SAT score rise as you improve. Designed for Every SAT Prep Student – whether you’re just starting SAT prep or retaking the SAT. Download Brainblast today and take the first step towards hitting your target SAT score. If you have any questions or feedback, please email support@brainblast.com Disclaimer: SAT® is a trademark registered and owned by the College Board®, which is not affiliated with and does not endorse this product or site. Privacy Policy: https://www.brainblast.com/privacy Terms: https://www.brainblast.com/terms End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

World History Slots

This app transforms AP World History study into a daily practice game. Spin reels to generate historical prompts and recall evidence before a timer runs out. Premium features offer AI-graded Short Answer Questions with instant feedback.

Highlights
  • Daily practice habit formation
  • Randomized era, region, theme prompts
  • Timed recall of historical evidence
  • AI-graded Short Answer Questions
  • Instant feedback scored to AP rubric
  • Progress tracking and awards
Features
Read full description

World History Slots — AP World History Exam Prep World History Slots turns AP World History study into an active, daily practice habit — built by an AP World teacher for AP World students. It's completely free, with no ads and no subscription. HOW IT WORKS - Spin the reels to generate a random combination of AP World History era, region, and theme. Try to recall specific historical evidence before the timer ends — just like thinking on your feet during the actual exam. Then check your work with curated key terms and an overview for that exact combination, and grade your own recall. REVIEW ALL YEAR - You don't have to wait until spring. Choose the eras you've covered in class so far, and add more as the year goes on. You can also filter by region and theme to focus on what you need most. 216 COMBINATIONS - Every era, region, and theme combination has its own study suggestions, written to match the AP World History course. BUILD THE HABIT - Ten spins a day keeps your streak alive. See how you did today and yesterday, and come back tomorrow. AP® and College Board® are registered trademarks of the College Board, which is not affiliated with, and does not endorse, this app. Privacy Policy: https://mistercorbett.com/#privacy-whap Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Brainblast4 screens
World History Slots4 screens

Verdict

The call

The clearest difference is ads: World History Slots at none against Brainblast's shown. Brainblast's advantage is ratings volume (589 vs 4) and update cadence (every 2 days vs every 5 days). On price, rating, in-app purchases and monetization model 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. Brainblast sells 10 in-app purchases, starting at $149.00 per month and World History Slots sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Brainblast against 4.5 for World History Slots. That said, the two scores are not equally well evidenced: Brainblast has 589 ratings behind it against 4, so its average is the more settled of the two.

UpkeepUpdate frequency

Brainblast ships an update every 2 days, World History Slots every 5 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

Scorecard5 real differences · 6 level
Brainblast versus World History Slots: the parameters behind the verdict, then further details
ParameterBrainblastWorld History Slots
PriceFreeFree
Rating4.6 (589 ratings) — better4.5 (4 ratings)
Positive reviews59.6% of reviews—
Number of ratings589 — better4
Update frequencyEvery 2 days — betterEvery 5 days
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
Best chart rank#118 — better—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.2 — better26.2
Further details — not scored
Size325 MB5 MB
Age rating+124+
DeveloperBrainblastBRIAN JAMES CORBETT

Customer experience

Brainblast

All ratings589 ratings
Positive91.9%
Neutral2.5%
Negative5.6%
Written reviews57 reviews
Positive59.6%
Neutral14.0%
Negative26.3%

World History Slots

All ratings4 ratings
Positive75.0%
Neutral25.0%
Negative0.0%

In-app purchases

10 purchases

Brainblast

Subscriptions4
  • Brainblast Max – 1 Month3 Days trial$149.001 Month
  • Brainblast Max – 3 Months3 Days trial$199.003 Months
  • Brainblast Max – 6 Months3 Days trial$249.006 Months
Show 1 more
  • Brainblast Max – 12 Months3 Days trial$299.001 Year
One-time6
  • 1200 Gems$1.99
  • 6500 Gems$19.99
  • Brainblast Max - 30 Days$149.00
Show 3 more
  • Brainblast Max - 90 Days$199.00
  • Brainblast Max - 180 Days$249.00
  • Brainblast Max - 360 Days$299.00
3 purchases

World History Slots

Subscriptions3
  • Basic$2.991 Month
  • Standard$4.991 Month
  • AP Ready$8.991 Month

Questions

Is Brainblast free?
Brainblast is free to download, with in-app purchases available.
Is World History Slots free?
World History Slots is free to download, with in-app purchases available.
Which has better reviews, Brainblast or World History Slots?
Brainblast is rated higher. Brainblast averages 4.6 out of 5 from 589 ratings, while World History Slots averages 4.5 from 4 ratings.
Do Brainblast or World History Slots have ads?
Brainblast shows ads; World History Slots does not.
Which is updated more often, Brainblast or World History Slots?
Brainblast ships an update every 2 days, and World History Slots every 5 days. Most recently, Brainblast was updated on November 6, 2026 and World History Slots on November 5, 2026.

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