Nautlius vs Speech AI Coach
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nautlius
This app provides a comprehensive suite of tools for STEM education and professional use. It offers engineering calculators, unit conversions, property lookups, and simulation capabilities. Students and professionals can utilize it for quick calculations and data analysis.
- Engineering calculators
- Free body diagrams
- Property lookup tables
- Experiment simulations
- Unit conversion
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Nautilus is an engineering and STEM toolbox for students and professionals. Features: - Engineering Calculators: Choose from hundreds of equations and subjects for quick calculations - Free Body Diagrams: Quickly copy and paste free body diagrams with calculated values - Property Lookup: Easily find values from tables and properties - Simulations: Run your own simulations for various experiments - Unit Conversion: Convert between hundreds of units Nautilus does not contain any subscriptions or in-app purchases.
Speech AI Coach
Enhance your speaking skills with guided lessons and exercises. Reduce filler words, improve clarity, and build confidence for everyday conversations and presentations. Get personalized feedback to track your progress.
- Guided speaking lessons
- Daily speaking practice
- Filler word awareness training
- Clarity and pacing exercises
- Confidence-building drills
- Presentation and interview practice
- Progress tracking
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Speak more clearly. Sound more confident. Communicate better every day. Speech Coach helps you improve the way you speak with guided lessons, speaking exercises, and feedback designed for real-life communication. Whether you want to reduce filler words, speak with more clarity, prepare for presentations, or feel more confident in conversations, Speech Coach gives you practical tools to build better speaking habits step by step. What you can improve • Clearer pronunciation and articulation • Better pacing and speaking rhythm • Fewer filler words like “um” and “uh” • Stronger confidence in conversations • More effective presentation and interview skills • Better tone, delivery, and verbal presence How it works Practice with short daily exercises, complete guided speaking lessons, and get feedback that helps you understand how you sound and where to improve. Train with real-world scenarios like small talk, meetings, interviews, and presentations. Inside the app • Daily speaking practice • Guided speech and conversation lessons • Filler word awareness training • Clarity and pacing exercises • Confidence-building speaking drills • Presentation and interview practice • Progress tracking and performance insights Built for real situations Speech Coach is made for students, professionals, job seekers, creators, and anyone who wants to speak more naturally and confidently in everyday life. Subscription & Pricing Some features and content require a subscription. Free features are available with optional in-app purchases for full access to all lessons, exercises, and advanced feedback tools. Start speaking with more clarity, confidence, and control. Developed by Fastemy - Fast and Fun Education Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Nautlius at none against Speech AI Coach's 5. Speech AI Coach's advantage is ratings volume (28 vs 2). On price, rating, 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
Both are free to download. Speech AI Coach sells 5 in-app purchases, starting at $4.99 per month. Nautlius asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Nautlius against 4.9 for Speech AI Coach. That said, the two scores are not equally well evidenced: Speech AI Coach has 28 ratings behind it against 2, so its average is the more settled of the two.
| Parameter | Nautlius | Speech AI Coach |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.9 (28 ratings) |
| Positive reviews | — | 75.0% of reviews |
| Number of ratings | 2 | 28 — better |
| Update frequency | — | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.0 | 17.6 — better |
| Further details — not scored | ||
| Size | 13 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Troy Husted | Abdullah YILMAZ |
Customer experience
Nautlius
Speech AI Coach
In-app purchases
Nautlius
No in-app purchases
Speech AI Coach
- Speech AI Coach Premium Monthly$4.991 Month
- Speech AI Coach Premium Yearly1 Month trial$39.991 Year
- Speech AI Coach Premium Yearly7 Days trial$39.991 Year
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- Speech AI Coach Premium Yearly$39.991 Year
- Speech AI Coach Premium Lifetime$89.99









