Comparison

Sis vs Onset Workouts

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

Head to head
About

Sis

A strength training platform designed exclusively for women, offering expert-led workouts, mental resilience tools, and a supportive community. Achieve your fitness goals at your own pace, whether at home or in the gym.

Highlights
  • Structured strength programs for all levels
  • Realistic resilience tools and guidance
  • Supportive sisterhood community
  • Progress tracking for physical and mental wins
  • Live classes and challenges
  • Diverse training styles (bodyweight, kettlebell, etc.)
Features
Read full description

Build strength from the inside out with the support of a powerful sisterhood. A movement Designed exclusively for women, our strength training platform helps you grow physically and mentally stronger, with expert guidance and a supportive sisterhood of like minded women by your side. Whether you're a mum with limited time, a student juggling a full schedule, a professional trying to stay consistent, or simply someone ready to prioritise their well-being, this is your space to feel empowered, focused, and truly connected. Your goals. Your pace. Your journey. What you’ll get inside the app: • Structured Strength Programs Expert-led workouts designed for all levels, build muscle, improve endurance, learn new skills and feel confident in your body. • Realistic resilience Tools & guidance Keeping you consistent with realistic goal setting, affirmations, guided reflections, and resources to help you stay grounded and mentally strong on this journey. • A Supportive Sisterhood, a community space where women lift each other up, literally and emotionally. Share progress, ask questions, and stay accountable. • Progress Tracking Celebrate every rep and every breakthrough with tools to track your physical and mental wins. • Live Classes & Challenges Stay motivated with regular sisterhood challenges and live workouts to keep things fresh and fun. • Strength That Shows Up in Real Life Programs and tools built to support you, whether at home or in the gym, so you feel stronger, more capable, and more confident in every area of life. • Diverse Training Styles From bodyweight calisthenics to kettlebell flows, strength circuits, and partner workouts, explore a wide range of modalities that fit your space, equipment, and mood. This app is your go to guide for becoming your strongest self with the energy and encouragement of a sisterhood that gets you. This is strength, redefined. For women, by women. Download now and start your journey toward a stronger, more resilient you. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Onset Workouts

Features
Read full description

Workouts you just press play on. Onset turns hundreds of workouts and training programs into guided, follow-along sessions. Stop saving workouts you'll never do. Choose a workout, press Start, and let Onset tell you exactly what to do and when to do it. Every exercise, interval, rest period and round is already mapped into the timer, with hands-free audio cues keeping you on track. No setting timers between exercises. No trying to remember what comes next. No constantly checking your phone. Just press Start and train. Whether you're training with kettlebells, dumbbells, bodyweight, HIIT, strength, circuits, cardio or mobility, Onset makes following a workout ridiculously simple. HUNDREDS OF READY-TO-GO WORKOUTS - Explore hundreds of workouts across different training styles, equipment and durations - Follow complete multi-day training programs and challenges - Load any shared workout instantly using a simple workout code - Every workout is already mapped and ready to start - Find workouts that fit the equipment and time you have available A TIMER THAT ALREADY KNOWS THE WORKOUT - Exercises, intervals, rest periods and rounds are mapped for you - Voice cues tell you what's coming next - Countdown cues keep you moving without watching your phone - Beep mode provides a simple alternative to voice coaching - Works alongside your favourite music BUILD YOUR OWN WORKOUTS - Create your own interval workouts - Set custom work and rest periods - Add exercise names and audio announcements - Configure rounds and exercise sequences - Save your favourite workouts and use them again anytime TRACK YOUR TRAINING - See your workout history - Build and maintain training streaks - Track completed workouts and active training time - Restart previous workouts in a tap ONSET PREMIUM Unlock the complete Onset workout library and training programs, plus premium workout and tracking features. Try Onset Premium free for 14 days. Less time configuring timers. Less time scrolling through saved workouts. Pick a workout. Press Start. Train. Terms of Use: https://onsetworkouts.com/terms Privacy Policy: https://onsetworkouts.com/privacy

Screenshots

Sis4 screens
Onset Workouts4 screens

Verdict

The call

The clearest difference is in-app purchases: Sis at none against Onset Workouts's 2. Sis also leads on ads (none vs shown) and iOS requirement (15.1 vs 26.5). Onset Workouts's advantage is update cadence (every 2 days vs every 3 months). On price 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. Onset Workouts sells 2 in-app purchases, starting at $1.99 per month. Sis asks for nothing beyond the download.

UpkeepUpdate frequency

Sis ships an update every 3 months, Onset Workouts every 2 days. The most recent releases landed on October 12, 2026 and October 17, 2026 respectively.

Scorecard4 real differences · 4 level
Sis versus Onset Workouts: the parameters behind the verdict, then further details
ParameterSisOnset Workouts
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 3 monthsEvery 2 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better26.5
Further details — not scored
Size181 MB67 MB
Age rating4+4+
DeveloperDT HEALTH AND FITNESS COACHING LTDStefan Michalak

In-app purchases

None

Sis

No in-app purchases

2 purchases

Onset Workouts

Subscriptions2
  • Premium Monthly$1.991 Month
  • Premium Yearly$19.991 Year

Questions

Is Sis free?
Sis is free to download, with no in-app purchases.
Is Onset Workouts free?
Onset Workouts is free to download, with in-app purchases available.
Do Sis or Onset Workouts have ads?
Onset Workouts shows ads; Sis does not.
Which is updated more often, Sis or Onset Workouts?
Sis ships an update every 3 months, and Onset Workouts every 2 days. Most recently, Sis was updated on October 12, 2026 and Onset Workouts on October 17, 2026.

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