K vs Phone Friend
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
K
Master K-12 math with interactive games and practice covering algebra, calculus, and more. Features AI-powered explanations, quizzes, and a graphing calculator for on-the-go learning.
- Comprehensive math topics
- AI-powered solver with explanations
- Interactive quizzes
- Smart graphing calculator
- Video lessons and tips
- Offline practice
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Master All Grade Math with us! Take your math skills to the next level with our interactive and engaging learning experience. Whether you're preparing for exams or just want to strengthen your knowledge, this app has everything you need! Why Choose Our App? - Comprehensive Topics – Cover algebra, calculus, trigonometry, probability, and more. - AI-Powered Solver – Get instant solutions and step-by-step explanations. - Interactive Quizzes – Test your knowledge with fun and challenging exercises. - Smart Graphing Calculator – Solve complex equations with ease. - Video Lessons & Tips – Learn from expert instructors anytime, anywhere. - Practice Anytime – Offline access ensures you can study on the go. Download now and unlock the power of math mastery! Terms of use: https://thanhbkap.github.io/M4U-Term-And-Use/ Happy learning!
Phone Friend
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Phone Friend is the plain-English guide to your smartphone, designed especially for older adults and anyone who finds technology confusing. No jargon. No complicated menus. Just simple, friendly help when you need it. FEATURES: - Step-by-step guides for everyday phone tasks - Scam awareness and safety tips to keep you safe - Daily AI assistant for your questions - Test Your Knowledge quizzes to build confidence - Track your progress and earn badges - Family leaderboard to share your achievements Whether you want to make a video call, send a photo, or just understand your phone better, Phone Friend is here to help. Download free today and start your journey to phone confidence! Terms of Use: https://phonefriend.app/terms
Screenshots
Verdict
The clearest difference is ads: Phone Friend at none against K's shown. Phone Friend also leads on update cadence (daily vs every 2 weeks). On price, in-app purchases, device support and iOS requirement 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. K sells 8 in-app purchases, starting at $1.99 per 3 months and Phone Friend sells 3 in-app purchases, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.
K ships an update every 2 weeks, Phone Friend daily. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.
| Parameter | K | Phone Friend |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (144 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 144 — better | — |
| Update frequency | Every 2 weeks | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 202 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | DEVWORLD VIETAM COMPANY LIMITED | Dominic Cope |
In-app purchases
K
- Three Months VIP$1.993 Months
- Learning Premium Monthly Plan$1.991 Month
- One Month VIP3 Days trial$4.991 Month
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- Learning Premium HalfYear Plan$5.996 Months
- Learning Premium Annual Plan$9.991 Year
- Six Months VIP3 Days trial$24.996 Months
- 1 Year VIP3 Days trial$49.991 Year
- No ads Pack$14.99
Phone Friend
- Phone Friend+7 Days trial$4.991 Year
- Phone Friend+$4.991 Month
- Ad-Free$2.99
