Comparison

Kalla vs Retro Pilates

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

Head to head
About

Kalla

Features
Read full description

Kalla: Smarter Training Starts Here Your AI-powered Strava sidekick for naming rides, runs, and reaching goals. Tired of boring workout titles like “Morning Run” or “Afternoon Ride”? Kalla uses AI to give your Strava activities fun, clever, and personalized names - because every session deserves a story. But it’s not just about the laughs. Kalla also includes an AI coach built for athletes who train with purpose. Whether you're chasing a new 5K PR, prepping for a triathlon, or just getting back in the saddle, Kalla analyzes your Strava data to guide your training and track your progress — without the guesswork. What you’ll love: Smart (and funny) Strava activity renaming Custom coaching based on your goals Real-time insights from your Strava history Works great for runners, cyclists, swimmers, and triathletes Adds personality and intelligence to every workout Train better. Laugh a little. Let Kalla do the thinking so you can do the moving.

About

Retro Pilates

Features
Read full description

Welcome to Retro Pilates — where cutting-edge reformer Pilates meets nostalgic, throwback energy. Our app makes it simple to book classes, manage your membership, and stay connected to your favorite Pilates studio anytime, anywhere. At Retro Pilates, we’re redefining fitness with a modern twist on the classics. Our group reformer Pilates classes use premium Allegro 2 reformers for a full-body workout that strengthens, tones, and lengthens. Every session is set to curated retro playlists spanning the best hits of the ‘70s, ‘80s, ‘90s, and beyond—creating a high-energy experience that feels like a workout party inside a vintage art studio. With the Retro Pilates app, you can: • Book group classes and private sessions instantly • Purchase class packs, memberships, or drop-ins • View live schedules and instructor profiles • Track your attendance and class history • Receive exclusive updates, offers, and event invites • Connect with your Pilates community through bulletins and in-app messaging Why Retro Pilates? Founded by Kayla Sarian, a certified Pilates instructor with over 17 years of experience, Retro Pilates blends expert instruction with elevated, feel-good vibes. Whether you’re a beginner or an experienced mover, our workouts are designed to challenge your body, build strength, and boost confidence. If you love fitness, music, and community, you’ll love Retro Pilates. Download the Retro Pilates app today to book your next Pilates class, level up your training, and move to the beat of something extraordinary. Strong bodies. Good vibes. Retro rhythm.

Screenshots

Kalla3 screens
Retro Pilates4 screens

Verdict

The call

The clearest difference is update cadence: Kalla at daily against Retro Pilates's every 4 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Kalla ships an update daily, Retro Pilates every 4 months. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.

Scorecard1 real difference · 5 level
Kalla versus Retro Pilates: the parameters behind the verdict, then further details
ParameterKallaRetro Pilates
PriceFreeFree
Update frequencyDaily — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad — better
Requires iOS17.016.4 — better
Further details — not scored
Size7 MB121 MB
Age rating4+12+
DeveloperJoe GennariSutra Fitness, Inc.

In-app purchases

None

Kalla

No in-app purchases

None

Retro Pilates

No in-app purchases

Questions

Is Kalla free?
Kalla is free to download, with no in-app purchases.
Is Retro Pilates free?
Retro Pilates is free to download, with no in-app purchases.
Do Kalla or Retro Pilates have ads?
Neither Kalla nor Retro Pilates shows ads.
Which is updated more often, Kalla or Retro Pilates?
Kalla ships an update daily, and Retro Pilates every 4 months. Most recently, Kalla was updated on November 5, 2026 and Retro Pilates on November 9, 2026.

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