Comparison

SkinIO vs CrewFit+

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

Head to head
About

SkinIO

Empower your skin health with AI-driven mole mapping for early detection of skin cancer. Track changes over time with your iOS device or in-office, and securely share images with dermatologists for expert review. Receive timely results and maintain a living digital record of your skin.

Highlights
  • AI-driven mole mapping
  • DIY skin screening
  • Digital skin health record
  • Secure image sharing with dermatologists
  • Track skin changes over time
  • HIPAA-compliant data storage
Features
Read full description

DIY skin screening that lets you take early detection of skin cancer into your own hands. Monitor and track your skin health with the help of SkinIO’s AI-driven mole-mapping technology. It’s easy to do at home with your iOS device or with your doctor in-office. How it works: · Your doctor or a trusted photo taker spends ~10 minutes using SkinIO to take images of your skin. It’s as simple as taking photos with your iOS device. · Those images become part of your digital skin health record. You can review your SkinIO images in-office with your doctor, or have the images you take at home securely sent to an expert dermatologist for review. You will receive your results in a few days, letting you know whether a follow-up is recommended. · SkinIO's AI technology tracks changes in your skin over time, so your digital skin health record becomes a living resource for you and your doctor. Proactively tracking changes in your skin over time is the best way to detect skin cancer early. Get started today with SkinIO. SkinIO results are NOT a substitute for medical advice or diagnosis. Always contact your doctor or another qualified healthcare provider if you have questions or concerns about a particular skin condition or your general health. Your security and privacy are paramount to us at SkinIO, so your photos are encrypted and securely stored in a HIPAA-compliant environment. They can only be accessed and seen by you and your doctor.

About

CrewFit+

This app offers tailored fitness solutions for airline crew, adapting workouts to available hotel gym equipment. It includes GPS-mapped running routes and nutrition tracking designed for those on the go.

Highlights
  • Strength workouts tailored to hotel gym equipment
  • GPS-mapped running routes near hotels
  • Daily calorie, macro, and water tracking
  • Set-by-set logging with video demos
  • Workout compression for short turns
  • Earn points for free subscription months
Features
Read full description

CrewFit is the fitness app built for airline crew — the people who land in a new city every other day, sleep in a different hotel every night, and have 45 minutes between flights to figure out what's possible in the hotel gym. Every hotel gym is different. Some have a full rack and dumbbells to 100 pounds. Others have one bench, two resistance bands, and a sad treadmill. CrewFit's strength workout library is tagged to over 1000 hotels worldwide, so when you walk into the gym, you pick a workout that's actually doable with the equipment that's actually there. THE THREE PILLARS CrewFit— 2,000+ strength workouts auto-tailored to your current hotel's equipment. Full body, upper body, and lower body splits with set-by-set logging, video exercise demos, and a "Short Turn" button that compresses any workout into 30 minutes when you're tight on time. Track your reps, weights, and progress over time. CrewRun — GPS-mapped running routes near every hotel, published by real crew. Browse routes by hotel, see route maps, distance, ratings, and how many other crew have completed each one. Tap Start Run to begin GPS tracking. Publish your own routes after running them and earn Crew Points when others use them. CrewNutrition — Daily calorie, macro, and water tracking designed for crew managing performance and recovery on the road. Log meals, track water in ounces against a daily goal, and visualize protein, carbs, and fats against your daily targets. EARN AS YOU GO Every approved CrewRun route earns you 10 Crew Points. Redeem 100 Crew Points for a free month of CrewFit+, or 60 Crew Points for a free month of CrewNutrition. The more you contribute to the library, the longer you train for free. PRICING - CrewFit+ Monthly: $9.99/month — full Strength workout library access. 30-day free trial. - CrewFit+ Annual: $99/year — same access, save 17%. 30-day free trial. - CrewFit+ Lifetime: $499 one-time — never expires. - CrewRun: $1.99/month — unlocks the Run feature. Optional add-on. - CrewNutrition: $6.99/month — unlocks daily nutrition tracking. Optional add-on. Subscriptions auto-renew unless cancelled. Cancel anytime in Settings → Apple ID → Subscriptions. BUILT BY CREW, FOR CREW CrewFit was built by Ben Gustafson https://crewfit-legal.vercel.app/terms

Screenshots

SkinIO4 screens
CrewFit+4 screens

Verdict

The call

The clearest difference is in-app purchases: SkinIO at none against CrewFit+'s 5. SkinIO also leads on ratings volume (63 vs 3). CrewFit+'s advantage is rating (5.0 vs 4.6) and update cadence (every 10 days vs monthly). On price, review sentiment, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. CrewFit+ sells 5 in-app purchases, starting at $1.99 per month. SkinIO asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

CrewFit+ holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: SkinIO has 63 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 96% of SkinIO's written reviews are positive against 100% of CrewFit+'s.

UpkeepUpdate frequency

SkinIO ships an update monthly, CrewFit+ every 10 days. The most recent releases landed on October 20, 2026 and October 5, 2026 respectively.

Scorecard5 real differences · 5 level
SkinIO versus CrewFit+: the parameters behind the verdict, then further details
ParameterSkinIOCrewFit+
PriceFreeFree
Rating4.6 (63 ratings)5.0 (3 ratings) — better
Positive reviews95.7% of reviews100.0% of reviews — better
Number of ratings63 — better3
Update frequencyMonthlyEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.415.1 — better
Further details — not scored
Size207 MB56 MB
Age rating17+4+
DeveloperSkinIO, LLCCrew Health LLC

Customer experience

SkinIO

All ratings63 ratings
Positive90.5%
Neutral3.2%
Negative6.3%
Written reviews23 reviews
Positive95.7%
Neutral0.0%
Negative4.3%

CrewFit+

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

SkinIO

No in-app purchases

5 purchases

CrewFit+

Subscriptions4
  • CrewRun1 Month trial$1.991 Month
  • CrewNutrition1 Month trial$6.991 Month
  • CrewFit+ Monthly1 Month trial$9.991 Month
Show 1 more
  • CrewFit+ Annual1 Month trial$99.991 Year
One-time1
  • CrewFit+ Lifetime$499.00

Questions

Is SkinIO free?
SkinIO is free to download, with no in-app purchases.
Is CrewFit+ free?
CrewFit+ is free to download, with in-app purchases available.
Which has better reviews, SkinIO or CrewFit+?
CrewFit+ is rated higher. SkinIO averages 4.6 out of 5 from 63 ratings, while CrewFit+ averages 5.0 from 3 ratings.
Do SkinIO or CrewFit+ have ads?
Neither SkinIO nor CrewFit+ shows ads.
Which is updated more often, SkinIO or CrewFit+?
SkinIO ships an update monthly, and CrewFit+ every 10 days. Most recently, SkinIO was updated on October 20, 2026 and CrewFit+ on October 5, 2026.

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