Comparison

FORM Swim vs side.kit

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

Head to head
About

FORM Swim

Enhance your swimming with real-time visual coaching and detailed post-swim analysis. Track your progress, generate custom workouts, and improve technique with this app designed for smart swim goggles.

Highlights
  • Real-time visual coaching
  • Open water swim compass
  • Guided pool workouts
  • Instant workout generation
  • Detailed swim analytics
  • Sync with popular fitness platforms
Features
Read full description

Built for the FORM Smart Swim 1 and Smart Swim 2 Goggles. Your underwater coach gives you real-time visual feedback to get the most out of your swims and improve your swimming technique. 1. HEADCOACH™ - A revolutionary swim experience with in-goggle visual coaching coupled with comprehensive in-app analysis and educational resources. In the water, practice head pitch, head roll, and pacing to perfect your technique. Elevate your technique and improve your performance with real-time coaching. 2. SWIMSTRAIGHT™ - A one-of-a-kind digital compass helping you swim a straighter course in open water. Connect your goggles to a supported Apple Watch or Garmin smartwatch to get GPS-based metrics in open water. Alternatively, use the goggles independently for a unique open water experience. 3. GUIDED WORKOUTS - At the pool, let your goggles guide you through your swim with instructions and progress updates. No more paper, plastic bags or relying on your memory to know what to do next. 4. ALL YOUR SWIM TRAINING IN ONE PLACE - Choose between Plans and Workouts based on your swim goals. Work through a Plan structured to improve your swimming skills or swim and individual guided workout. 5. SCRIPT - INSTANTLY GENERATE WORKOUTS -
Transform your swim training with Script, FORM’s proprietary technology that instantly converts any written workout into a guided experience in your goggles. Whether you capture text with your phone’s camera or copy and paste it, Script brings your workouts to life. Plus, easily integrate workouts from platforms like TrainingPeaks and Tridot, or create custom sessions with our workout builder. 6. ANALYZE YOUR METRICS - Sync with the app to review each set out of the pool after every swim—and revisit past workouts to track your progress over time. You can share stats with your coach, too. Customize your goggles with metrics that are important to you. 7. YOUR DATA EVERYWHERE - Automatically sync your workouts with Strava, TrainingPeaks, Apple Health, TriDot, and Final Surge. Perfect if you're training for your next triathlon. The FORM Swim App works with the FORM Smart Swim 1 and Smart Swim 2 Goggles, the first wearable fitness tracker for swimmers and triathletes that shows metrics in real time on an augmented reality display. Learn more at www.formswim.com. Read more about our terms and conditions here: Terms of service: https://formswim.com/terms-of-service Privacy policy: https://formswim.com/privacy-policy

About

side.kit

Features
Read full description

SideKit is your running sidekick. The ultimate running companion for any weather. Sidekit delivers personalized gear recommendations and smart scheduling based on real-time weather conditions. Our goal? Never wonder what to wear on your run again! Get tailored advice for clothing, accessories, and fueling needs based on temperature, wind, precipitation, UV index, and air quality. ## Key Features: • Real-time weather data with runner-specific metrics • Smart gear recommendations for different distances • Intelligent scheduling with to get notifications in advance • Location-based forecasts with multiple saved locations Plan your perfect run with confidence, regardless of weather conditions. Runner's Weather Assistant keeps you prepared, comfortable, and safe every time you lace up. Download now and upgrage your running experience!

Screenshots

FORM Swim4 screens
side.kit4 screens

Verdict

The call

The clearest difference is in-app purchases: side.kit at none against FORM Swim's 5. On price, update cadence, 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. FORM Swim sells 3 in-app purchases, starting at $14.99 per month. side.kit asks for nothing beyond the download.

UpkeepUpdate frequency

FORM Swim ships an update every 2 weeks, side.kit fortnightly. The most recent releases landed on November 13, 2026 and November 12, 2026 respectively.

Scorecard1 real difference · 9 level
FORM Swim versus side.kit: the parameters behind the verdict, then further details
ParameterFORM Swimside.kit
PriceFreeFree
Rating4.7 (3.5K ratings) — better—
Positive reviews51.9% of reviews—
Number of ratings3.5K — better—
Update frequencyEvery 2 weeks — betterFortnightly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPod, Apple WatchiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size220 MB20 MB
Age rating4+4+
DeveloperForm AthleticaMiguel Lopes

Bugs and requests

FORM Swim

Reported bugs

3 issues
  • Timer and distance tracking inconsistencies
  • App crashes and freezes
  • Unreliable heart rate monitoring

Requested features

5 requests
  • Ability to create custom workouts
  • Integration with other fitness platforms (e.g. Garmin, Apple Health)
  • Open water swim distance tracking without GPS
  • Current lap time display during swim
  • Export data for long-term analysis

side.kit

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

FORM Swim

Subscriptions3
  • FORM Membership1 Month trial2 variants$14.991 Month
  • FORM Membership1 Month trial2 variants$119.001 Year
  • FORM Premium Annual1 Month trial$119.001 Year
None

side.kit

No in-app purchases

Questions

Is FORM Swim free?
FORM Swim is free to download, with in-app purchases available.
Is side.kit free?
side.kit is free to download, with no in-app purchases.
Do FORM Swim or side.kit have ads?
Neither FORM Swim nor side.kit shows ads.
Which is updated more often, FORM Swim or side.kit?
FORM Swim ships an update every 2 weeks, and side.kit fortnightly. Most recently, FORM Swim was updated on November 13, 2026 and side.kit on November 12, 2026.

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