Comparison

Acellus vs Nevvon

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Self-paced learning
  • Personalized instruction
  • Live progress monitoring
  • Automatic record-keeping
  • Data-driven instruction
  • Comprehensive K-12 curriculum
Read full description

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.

About

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.

Highlights
  • Technologically advanced online education system
  • Machine intelligent data collection
  • Data-driven decision making for companies
  • Employee performance enhancement
  • Compliance requirement fulfillment
  • Caregiver industry focus
Features
Read full description

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

Acellus4 screens
Nevvon4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
Acellus versus Nevvon: the parameters behind the verdict, then further details
ParameterAcellusNevvon
PriceFreeFree
Rating4.5 (32K ratings) — better3.5 (378 ratings)
Positive reviews36.1% of reviews — better3.3% of reviews
Number of ratings32K — better378
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.415.0 — better
Further details — not scored
Size7 MB57 MB
Age rating4+4+
DeveloperGoldKey Security CorporationNevvon Inc.

Customer experience

Acellus

All ratings31,649 ratings
Positive87.6%
Neutral3.2%
Negative9.2%
Written reviews507 reviews
Positive36.1%
Neutral15.2%
Negative48.7%

Nevvon

All ratings378 ratings
Positive59.0%
Neutral6.3%
Negative34.7%
Written reviews30 reviews
Positive3.3%
Neutral13.3%
Negative83.3%

User reviews

Acellus

From 32K App Store ratings

What 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 ratings

What 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
Show 16 more
  • 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

None

Acellus

No in-app purchases

None

Nevvon

No in-app purchases

Questions

Is Acellus free?
Acellus is free to download, with no in-app purchases.
Is Nevvon free?
Nevvon is free to download, with no in-app purchases.
Which has better reviews, Acellus or Nevvon?
Acellus is rated higher. Acellus averages 4.5 out of 5 from 32K ratings, while Nevvon averages 3.5 from 378 ratings.
Do Acellus or Nevvon have ads?
Neither Acellus nor Nevvon shows ads.
Which is updated more often, Acellus or Nevvon?
Acellus ships an update every 3 months, and Nevvon every 3 weeks. Most recently, Acellus was updated on September 25, 2026 and Nevvon on September 22, 2026.

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