Equation Loop vs Sotaki
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Equation Loop
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Equation Loop β Learn Linear Equations the Fun Way Turn algebra into an adventure! Equation Loop helps students understand and solve linear equations through interactive practice, clear step-by-step explanations, and a calm, kid-friendly design that makes learning feel approachable rather than stressful. Whether you're just starting with systems of equations or want extra practice, Equation Loop guides you through concepts in a simple, visual, and encouraging way. FEATURES β’ Interactive equation solver for pairs of linear equations β’ Automatic Loopion generation for endless practice β’ Step-by-step explanations that show every simplification and operation β’ Built-in math keyboard designed for algebra β’ Kid-friendly design with soft colors and friendly visuals β’ Adjustable difficulty levels for different learning stages PRIVACY AND SAFETY Equation Loop is built for a distraction-free, classroom-friendly experience: β’ No ads β’ Works 100% offline β’ No analytics, no tracking, and no data collection of any kind β’ Optional in-app purchases available, including a one-time lifetime unlock or subscription, depending on your preference PERFECT FOR β’ Middle school and high school students learning algebra β’ Parents seeking an offline, ad-free study tool β’ Teachers using iPads in classrooms β’ Anyone wanting to strengthen equation-solving skills step by step Start your math adventure! Download Equation Loop and make linear equations clickβone fun step at a time.
Sotaki
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Sotaki is the first English accent training app built specifically for Brazilian Portuguese speakers. Using advanced AI speech analysis, Sotaki listens to your pronunciation in real time and gives you instant, personalized feedback to help you sound clear and confident in English. WHETHER YOU'RE A BEGINNER OR ADVANCED Sotaki covers every level from A1 to C2, with 279 lessons across 31 modules. Take a quick placement test when you start, and the app meets you exactly where you are. HOW IT WORKS Record yourself reading real English sentences. Sotaki's AI analyzes your pronunciation instantly and scores you on accuracy. Earn stars, track your progress, and watch your accent improve day by day. FOCUS ON WHAT MATTERS MOST Sotaki targets the specific sounds Brazilian speakers struggle with most β like the difference between "think" and "sink," silent letters, word stress, and connected speech patterns. CAREER-SPECIFIC TRAINING (PREMIUM) Unlock pronunciation exercises tailored to your profession. Practice the vocabulary and phrases used in Medicine, Business, Law, Sales, Construction, and more. FEATURES AI-powered real-time pronunciation scoring 279 levels across 31 modules (A1 to C2) Placement test to find your starting level Focused training on Brazilian-specific pronunciation challenges Career-specific vocabulary and phrases Weekly progress reports Daily practice reminders Skip tests to jump ahead when you're ready FREE TO USE The full main training path with all 279 levels is completely free. Premium unlocks career-specific training, all future content, and unlimited access to the full app. PREMIUM SUBSCRIPTION 7-day free trial, then $9.99/month Unlimited access to the full app Career-specific pronunciation training All new levels and content updates included Cancel anytime Start training your accent today. Your English is already good β let's make it sound great. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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Verdict
Equation Loop and Sotaki are too close to call on the numbers: across 5 compared parameters β price, ads, in-app purchases and device support among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Equation Loop sells 2 in-app purchases, starting at $3.99 per month and Sotaki sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Equation Loop | Sotaki |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | β |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 β better |
| Further details β not scored | ||
| Size | 45 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Monad Functor | Shane Kelly |
In-app purchases
Equation Loop
- Premium Subscription7 Days trial$3.991 Month
- Unlock Forever$9.99
Sotaki
- Sotaki Premium7 Days trial$9.991 Month
- Skip Test$0.99









