Comparison

PerfectPrep vs Fluid Ink Studio

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

Head to head
About

PerfectPrep

Prepare for standardized college entrance exams with a personalized study plan, practice tests, and detailed explanations. Track your progress, review concepts with flashcards, and access video lessons to boost your score. Get expert tips and predictions to ace your ACT or SAT.

Highlights
  • Personalized study plans
  • Subject-specific practice tests
  • Full practice exams
  • Detailed answer explanations
  • Flashcards for concept review
  • Video lessons and tutorials
  • Progress tracking and score prediction
Features
Read full description

Practice for the ACT and SAT anywhere, anytime, and achieve your highest score! It’s everything you need to study for the standardized tests, all in one app. Getting ready for the most crucial exams couldn’t be easier. You can now study and practice at your own pace, without stress and pressure, and achieve great results. All necessary content is available in one app. Select your test date, and receive a study plan tailored personally for your needs. Track your progress, stay motivated, and ace the ACT or SAT! PERSONALIZED STUDY PLAN Set a test date, and the app will suggest the optimal daily practice amount for you to study at your own pace and be ready by the test date. PRACTICE TESTS Choose to train in a particular subject or topic. Take practice tests in English, Mathematics, Reading, and Science. PRACTICE EXAMS Practice in conditions similar to the real ACT and SAT exams. Check your knowledge with time limitations, and get a sense of your predicted score. CORRECT ANSWERS Easily check correct answers with detailed explanations, without the need to look for them at the end of a practice book. FLASHCARDS Flip and swipe the cards to quickly review SAT/ACT concepts without the need to go through the whole test, complete the right amount of questions for you and get some quick studying in. KNOWLEDGE BASE Refresh your knowledge on all of the topics included in the ACT and SAT. If you missed anything in class, you can easily study the subject in the app or even print out handy PDF files with the necessary info for better prep. English, Mathematics, Reading, Science, and Writing lessons are available. VIDEO LESSONS Watch ACT and SAT video tutorials to improve your knowledge and get guidance on the test prep. FAQ Check out answers to the most popular questions about ACT and SAT provided by our expert tutor. Or ask him a question that bothers you. SCORE PREDICTION Get your ACT score prediction based on how you pass practice exams, and study the topics you need to revisit to improve your score. PROGRESS TRACKING Avoid anxiety by constantly tracking your preparedness, increasing your confidence, and preparing for the exam before the test date. Set the app to send you reminders to study. TIPS AND RECOMMENDATIONS Get to know how to successfully get prepared and pass the exam, learn all the strategies, tips, and tricks useful to ace the ACT and SAT. FAMILY SHARING Activate your subscription and share your study progress with up to 5 family members. PerfectPrep will be your most valuable ACT and SAT study resource – helping you prepare, stay motivated, and pass the exam with flying colors. *Subscription payments will be charged to your iTunes account at confirmation of your purchase. *Subscriptions will automatically renew and payment will be charged to your iTunes account unless auto-renew is turned off at least 24 hours prior to the end of the current period. The cost of the renewal depends on your Subscription Plan. Our standard Subscription Plans are: * 1-month Subscription * 6-month Subscription with a 7-day Trial For other currencies, the price corresponds to the same price tier on the App Store Pricing Matrix. * Subscription with a free trial period will automatically renew to a paid subscription. You can cancel or manage your free trial's auto-renewal in your Account Settings after purchase. The cancellation will take effect 24-hours after the last day of the current subscription period and you will be downgraded to the free service. * Please note: any unused portion of a free trial period (if offered) will be forfeited when you purchase a premium subscription during the free trial period. Privacy Policy: https://accellab.app/privacy_policy.html EULA: https://accellab.app/eula.html California Privacy Notice: https://accellab.app/privacy_policy.html#h ACT, Inc. does not endorse, nor is it affiliated in any way with the owner or any content of this application.

About

Fluid Ink Studio

Read full description

Fluid Ink Studio — Transform Your Screen Into a Living Canvas Fluid Ink Studio is an interactive digital art experience that brings the beauty of fluid dynamics to your fingertips. Powered by real-time physics simulation, this creative studio lets you paint, pour, stir, spray, and shape mesmerizing ink and paint effects — all with intuitive touch controls. Six Unique Creative Modes: • Ink Drop — Tap to release blooming ink plumes that diffuse organically across the canvas. Fine-tune concentration, viscosity, and diffusion to craft soft clouds, sharp tendrils, or ethereal blooms. • Ink Spray — Unleash jet streams, fine mist, and explosive bursts from a virtual nozzle. Control pressure, angle, and texture for stunning spray art with realistic particle trails. • Marbling Paper — Recreate the timeless art of paper marbling. Drag your finger through rich color gradients to produce swirling, layered patterns inspired by centuries-old techniques. • Pour & Stir — Pour vibrant paint onto the canvas, then stir with your finger to blend and swirl thousands of particles in real time. Enable Auto mode for hands-free, mesmerizing motion. • Loop Maker — Generate seamless infinite animations from waves, spirals, orbits, and more. • Boundary Flow — Place geometric obstacles and watch ink particles flow, slip, and interact around them. Experiment with friction, absorption, and flow dynamics for captivating fluid art. Designed for Creative Expression: - Real-time physics engine with thousands of particles - 10 beautifully crafted themes — 5 dark and 5 light - Haptic feedback and immersive sound effects - Save high-quality artwork directly to your photo library - Full iPad support with optimized scaling - Intuitive sliders and controls for every parameter Whether you're an artist seeking a new medium, a designer looking for inspiration, or simply someone who loves the calming beauty of flowing ink — Fluid Ink Studio turns every touch into art.

Screenshots

PerfectPrep4 screens
Fluid Ink Studio4 screens

Verdict

The call

The clearest difference is price: PerfectPrep at Free against Fluid Ink Studio's $19.99. PerfectPrep also leads on update cadence (fortnightly vs every 11 months) and iOS requirement (13.0 vs 15.1). Fluid Ink Studio's advantage is in-app purchases (none vs 10). On ads 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

PerfectPrep is free to download; Fluid Ink Studio costs $19.99 up front. PerfectPrep sells 8 in-app purchases, starting at $4.99 per 7 days. Fluid Ink Studio asks for nothing beyond the download.

UpkeepUpdate frequency

PerfectPrep ships an update fortnightly, Fluid Ink Studio every 11 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 6 level
PerfectPrep versus Fluid Ink Studio: the parameters behind the verdict, then further details
ParameterPerfectPrepFluid Ink Studio
PriceFree — better$19.99
Rating4.6 (878 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings878 — better—
Update frequencyFortnightly — betterEvery 11 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better15.1
Further details — not scored
Size122 MB37 MB
Age rating4+4+
DeveloperMosaic S.r.l.SimTeCon GmbH

Bugs and requests

PerfectPrep

Reported bugs

3 issues
  • Constant notifications despite disabling them
  • Time limits not accurate for practice tests
  • Many typos in the app

Requested features

2 requests
  • Dark mode option
  • More free practice content

Fluid Ink Studio

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

PerfectPrep

Subscriptions8
  • PerfectPrep Premium 1 Week$4.997 Days
  • PerfectPrep Premium 1 Month$9.991 Month
  • PerfectPrep Premium 1 Month7 Days trial$9.991 Month
Show 5 more
  • PerfectPrep Premium 1 Month3 Days trial$9.991 Month
  • PerfectPrep Premium 1 Month$14.991 Month
  • PerfectPrep Premium 6 Months$19.996 Months
  • PerfectPrep Premium 6 months3 Days trial$39.996 Months
  • PerfectPrep Premium 6 Months7 Days trial3 variants$39.996 Months
None

Fluid Ink Studio

No in-app purchases

Questions

Is PerfectPrep free?
PerfectPrep is free to download, with in-app purchases available.
Is Fluid Ink Studio free?
Fluid Ink Studio costs $19.99, with no in-app purchases.
Do PerfectPrep or Fluid Ink Studio have ads?
Neither PerfectPrep nor Fluid Ink Studio shows ads.
Which is updated more often, PerfectPrep or Fluid Ink Studio?
PerfectPrep ships an update fortnightly, and Fluid Ink Studio every 11 months. Most recently, PerfectPrep was updated on November 3, 2026 and Fluid Ink Studio on November 4, 2026.

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