Acellus vs Nevvon
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Acellus
This online learning system offers a dynamic and interactive educational experience for K-12 students. It uses short video lessons and practice problems to assess understanding, with personalized instruction and real-time progress monitoring available.
- Self-paced learning
- Personalized instruction
- Live progress monitoring
- Automatic record-keeping
- Data-driven instruction
- Comprehensive K-12 curriculum
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Every student learns differently. Acellus meets them where they are — with personalized, video-based K-12 instruction used by over one million students across every U.S. state. Short video lessons introduce each concept, followed by practice problems that adapt to how your student is progressing. The result: a dynamic learning experience built around the individual, not the classroom average. Learn at Their Own Pace Students work independently through concepts, with personalized instruction that helps them truly master each one before moving on. Stay in the Loop Monitor your student's progress in real time from any device. Scores, hours worked, and course progress are automatically compiled into printable reports. Always Improving Student responses are continuously analyzed and used to refine course content — so courses get more effective over time, updated daily. A Complete K-12 Curriculum Acellus covers all core subjects K-12, plus Advanced Placement (AP), Exceptional Education, Career & Technical Education, and Exam Preparation — over 470 courses in total. Learning That Goes Anywhere At school, at home, or on the go — Acellus picks up exactly where your student left off, on any device with an internet connection. Give your student the personalized education they deserve. Download Acellus today.
Nevvon
This app offers a technologically advanced online education system designed to enhance the healthcare sector. It collects machine-intelligent data to help companies with high employee turnover make data-driven decisions and improve employee performance. The platform is built with a focus on simplicity, relevance, and progressive solutions.
- Technologically advanced online education system
- Machine intelligent data collection
- Data-driven decision making for companies
- Employee performance enhancement
- Compliance requirement fulfillment
- Caregiver industry focus
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We built a one-of-a-kind technologically advanced online education system. Enhancing the healthcare education sector by collecting machine intelligent data to help companies that deploy high turnover, low-income employees. Nevvon’s mission is to enhance employee performances by enabling companies to make powerful decisions based on data-driven knowledge. Whenever necessary, we meet all compliance requirements to get the job done right. Our stakeholders will benefit from our simple, relevant and progressive way of doing it all. We are driven by the excitement of building new technology and providing services that enrich companies and their employees. The founders of Nevvon have deep domain experience in senior care and we have strategically chosen the caregiver industry as our first vertical. With offices in three different continents, we are striving to accomplish diversity and employ various different perspectives in the caregiver industry. Nevvon is committed to helping every customer become the best-run business.
Screenshots
Verdict
The clearest difference is rating: Acellus at 4.5 against Nevvon's 3.5. Acellus also leads on review sentiment (36% vs 3%) and ratings volume (32K vs 378). Nevvon's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
Acellus holds the better App Store score, 4.5 against 3.5. That said, the two scores are not equally well evidenced: Acellus has 32K ratings behind it against 378, so its average is the more settled of the two. Written reviews point the same way: 36% of Acellus's written reviews are positive against 3% of Nevvon's.
Acellus ships an update every 3 months, Nevvon every 3 weeks. The most recent releases landed on September 25, 2026 and September 22, 2026 respectively.
| Parameter | Acellus | Nevvon |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (32K ratings) — better | 3.5 (378 ratings) |
| Positive reviews | 36.1% of reviews — better | 3.3% of reviews |
| Number of ratings | 32K — better | 378 |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | GoldKey Security Corporation | Nevvon Inc. |
Customer experience
Acellus
Nevvon
User reviews
Acellus
From 32K App Store ratingsWhat we love
- 👍 Easy to navigate classes
- 👍 Engaging and interactive lessons
- 👍 Flexible and self-paced learning
- 👍 Helpful and fun teachers
- 👍 Ability to track progress and compete with friends
Room to improve
- 🐛 Occasional crashes and freezes
- 🐛 Incorrect answers marked as wrong
- 🐛 Lessons not always aligned with assessments
- 🐛 Boring or gimmicky teaching styles in some courses
- 🐛 Lack of live teacher interaction and support
Nevvon
From 378 App Store ratingsWhat we love
- 👍 Content is good
- 🌟 Amazing experience (rare)
Room to improve
- 🐛 App constantly freezes
- 🐛 Lessons take longer than labeled
- 🐛 App is painstakingly slow
- 🐛 Glitches prevent lesson completion
- 🐛 Loading screens appear too often
Bugs and requests
Acellus
Reported bugs
4 issues- Videos randomly restarting or freezing
- Incorrect grading of written assignments
- Inability to review past lessons and videos
- Courses not properly syncing progress across devices
Requested features
5 requests- Add subtitles or transcripts for videos
- Allow skipping of videos if content is already understood
- Improve mobile app usability and stability
- Provide more hands-on and interactive learning experiences
- Offer more personalized learning paths and feedback
Nevvon
Reported bugs
21 issues- App constantly freezes
- Lessons take longer than labeled
- App is painstakingly slow
- Glitches prevent lesson completion
- Loading screens appear too often
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- Cannot log in or authenticate
- System does not respond correctly
- Repeatedly makes users redo lessons
- Issues with points/redeeming rewards
- Cannot select answer boxes for quizzes
- Login page frozen/cannot scroll
- Does not confirm email and password
- Cannot move from screen to screen
- No option to print certificates
- Only one certificate for multiple modules
- Cannot skip ahead in videos
- Audio/video makes lessons too long
- Freezing on specific lesson screens
- Questions with empty answer slots
- Course completion not processed
- Slow authentication and page loading
Requested features
3 requests- Option to turn off audio and video
- Ability to skip ahead in lessons/videos
- Clearer information on state approvals and NAC#
In-app purchases
Acellus
No in-app purchases
Nevvon
No in-app purchases









