SuuNavi vs DeVS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SuuNavi
This AI-powered math tutor helps middle and high school students understand complex problems. Simply photograph or type a math question, and receive clear, step-by-step explanations and practice exercises. It fosters deep understanding through a cycle of explanation, practice, and reflection.
- AI-powered math problem explanation
- Photo recognition for math problems
- Step-by-step solution breakdown
- Personalized practice problem generation
- Progress tracking and review
- On-demand learning anytime, anywhere
Read full descriptionHide full description
SuuNavi — A Gentle, Smart Math Teacher. SuuNavi is an AI-powered math learning app designed mainly for middle and high school students, as well as anyone who wants to study independently. Simply take a photo of a problem you do not understand, or type it in, and the AI will understand the question and explain the solution in a clear, easy-to-follow way. With a learning cycle of “Submit a problem → Get an explanation → Practice → Review and reflect,” SuuNavi helps learners move from “I think I get it” to “I truly understand it.” https://suunabi.cyberailabs.ai/ 1. About the App Being bad at math is not about talent. It is about learning the right way. Many students feel like they understand something in class, only to get stuck when they face a similar problem later. SuuNavi was created to change that feeling of “kind of understanding.” Through the cycle of "Understand → Practice → Check → Master", it helps learners move from “understanding by listening” to “being able to solve it on their own.” 2. How to Use SuuNavi Take a photo of the problem: Just snap a picture of the question with your phone. SuuNavi reads it and understands what the problem is asking. AI explanation: “Suu Sensei” explains the thinking process step by step, helping you understand not just the answer, but why it works. Practice problems: Based on the areas you struggle with, SuuNavi automatically gives you similar problems or slightly more advanced variations. Checking and advice: After you solve a problem, it is graded right away. The AI explains why an answer is wrong and tells you what to do next. Track your progress: Problems you fully understand and solve correctly are recorded as “cleared,” so you can see your progress over time. 3. Key Features A gentle and supportive AI teacher: It carefully finds the parts you do not understand and gives you hints on how to think. It is okay to make mistakes. You can learn with confidence. A learning flow that creates more “I got it!” moments: Instead of just memorizing answers, SuuNavi helps you deepen your understanding by thinking through why things work. Fast feedback and small wins: Your solved problems are recorded, so you can clearly see yourself improving step by step. Anytime, anywhere, at your own pace: Just take a photo to get started. Whether it is homework or review, you can solve problems right on the spot. 4. Recommended For Middle and high school students who want to regain confidence in math Independent learners who want to build a strong foundation through practice Students who want to improve their grades by understanding why things work Parents and children looking for a learning method that is effective and easy to continue 5. A Message from SuuNavi Math can be gentler and closer to everyday life. SuuNavi is an app that helps you grow your understanding at your own pace, together with a gentle and smart teacher. SuuNavi — With gentle explanations and step-by-step learning, you can truly understand each problem, one by one. A math app that grows with you. Terms of Use: https://suunabi.cyberailabs.ai/terms-of-use Privacy Policy: https://suunabi.cyberailabs.ai/privacy-policy Weekly Trial Plan: $1.99 Semester Plan: $19.99 Yearly Plan: $59.99
DeVS
Read full descriptionHide full description
A new way to explore any topic from multiple perspectives — through AI agent discussions. ■ What is DeVS? Choose any topic, and AI agents will debate it from opposing sides — "Pro" and "Con." Each agent brings unique expertise, challenging the other's logic with evidence and counter-arguments. ■ Who is it for? ・Want to think deeply about news and social issues ・Need help organizing your own opinions ・Want to practice debate and critical thinking ・Curious to watch AI agents argue with each other ■ Key Features ・Just enter a topic and AI discussions begin ・8 unique expert agents (Economics, Ethics, Sociology, Science & Engineering, History, Psychology, Entrepreneurship, Investment & Finance) ・Real-time Pro vs Con debate with structured counter-arguments ・Save and share discussion results as images ・Auto-detects your device language (English / Japanese) ■ Sample Topics ・Is college still worth it? ・Remote work vs office — which is better? ・Should AI be introduced in compulsory education? ・Does social media divide society? ・Should we adopt a 4-day work week? You can also enter any topic of your choice. ■ Note All opinions are AI-generated. AI responses may not always be accurate. --- Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://daisukeoka.github.io/devs-legal/legal/privacy-policy
Screenshots
Verdict
The clearest difference is ads: SuuNavi at none against DeVS's shown. On price, update cadence, in-app purchases 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. SuuNavi sells 3 in-app purchases, starting at $1.99 per 7 days and DeVS sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
SuuNavi ships an update fortnightly, DeVS every 10 days. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.
| Parameter | SuuNavi | DeVS |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Fortnightly | Every 10 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 50 MB | 34 MB |
| Age rating | 4+ | 12+ |
| Developer | CYBER AI LABS PTE. LTD. | Daisuke Oka |
In-app purchases
SuuNavi
- Weekly Trial Plan$1.997 Days
- Semester Plan$19.993 Months
- Yearly Plan$59.991 Year
DeVS
- DeVS Basic Plan7 Days trial$4.991 Month
- Devate Ticket$1.99
- Devate Ticket x5$7.99
- Devate Ticket x10$12.99









