Comparison

Extra Work vs Cellera Institute

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

Head to head
About

Extra Work

Log your soccer training sessions, view upcoming schedules, and book appointments. Track your progress and maximize your workout effectiveness with this dedicated logging tool.

Highlights
  • Workout logging
  • View upcoming workouts
  • Book appointments
  • Track progress
  • Schedule management
Features
Read full description

Extra Work Real skill development at home. Extra Work turns a training plan into structured sessions built around your schedule and goals, so real development happens between practices. Train on your own as an individual athlete, or bring your whole team so every player is moving in the same direction. FOR INDIVIDUALS Custom at-home skill development, personalized to you Sessions planned around your schedule, skill level, and goals Individual-focused training that builds the complete player Accountability and progress tools that keep you on track FOR TEAMS & COACHES You set the plan, we build the sessions and assign them to every player The whole team on one shared focus, so everyone builds the same foundation See who's putting in the work with tracking and accountability built in Your own private team environment, players and coaches in one place GET STARTED Visit extrawork.io to get started.

About

Cellera Institute

This app offers concise, expert-crafted courses on medical topics, diagnostics, and procedures. Designed for busy schedules, it features bite-sized lessons, progress tracking, and offline learning capabilities. Earn certificates upon completion and stay updated with the latest evidence-based content.

Highlights
  • Expert-led medical courses
  • Bite-sized lessons
  • Progress tracking
  • Offline learning
  • Certificates of completion
  • Regular content updates
Features
Read full description

Cellera is the go-to mobile learning app for healthcare professionals, medical students, and anyone passionate about medical, health and fitness. Get concise, expert-crafted courses on clinical topics, guidelines, diagnostics, pharmacology, and procedures – all designed for busy schedules. Learn in bite-sized lessons, track your progress, and stay updated with the latest evidence-based content, offline included. Why you'll love Cellera: Expert-led courses by practicing physicians and specialists Focused lessons perfect for shifts or commutes Certificates on completion Regular updates with new guidelines and emerging topics Clean, intuitive design with progress tracking Turn waiting time into learning time – elevate your medical knowledge with Cellera today!

Screenshots

Extra Work4 screens
Cellera Institute4 screens

Verdict

The call

The clearest difference is review sentiment: Cellera Institute at 100% against Extra Work's 50%. Cellera Institute also leads on rating (5.0 vs 4.7) and update cadence (every 2 months vs every 7 months). Extra Work's advantage is in-app purchases (none vs 9) and ratings volume (7 vs 1). On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Cellera Institute sells 9 one-off in-app purchases. Extra Work asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Cellera Institute holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Extra Work has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of Extra Work's written reviews are positive against 100% of Cellera Institute's.

UpkeepUpdate frequency

Extra Work ships an update every 7 months, Cellera Institute every 2 months. The most recent releases landed on September 18, 2026 and October 2, 2026 respectively.

Scorecard6 real differences · 4 level
Extra Work versus Cellera Institute: the parameters behind the verdict, then further details
ParameterExtra WorkCellera Institute
PriceFreeFree
Rating4.7 (7 ratings)5.0 (1 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings7 — better1
Update frequencyEvery 7 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.0 — better15.2
Further details — not scored
Size40 MB110 MB
Age rating4+4+
DeveloperBe Relentless LLCCellera

Customer experience

Extra Work

All ratings7 ratings
Positive85.7%
Neutral14.3%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

Cellera Institute

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Extra Work

No in-app purchases

9 purchases

Cellera Institute

One-time9
  • Medical Nutrition 101.Free
  • Human Performance 101Free
  • Hydration 101Free
Show 6 more
  • MenstruationFree
  • Metabolism 101Free
  • Sexual Health 101Free
  • Sleep Medicine 101Free
  • legal$250.00
  • Anemia Testing$500.00

Questions

Is Extra Work free?
Extra Work is free to download, with no in-app purchases.
Is Cellera Institute free?
Cellera Institute is free to download, with in-app purchases available.
Which has better reviews, Extra Work or Cellera Institute?
Cellera Institute is rated higher. Extra Work averages 4.7 out of 5 from 7 ratings, while Cellera Institute averages 5.0 from 1 ratings.
Do Extra Work or Cellera Institute have ads?
Neither Extra Work nor Cellera Institute shows ads.
Which is updated more often, Extra Work or Cellera Institute?
Extra Work ships an update every 7 months, and Cellera Institute every 2 months. Most recently, Extra Work was updated on September 18, 2026 and Cellera Institute on October 2, 2026.

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