Report updated May 13, 2026
SizeMyBike
For beginner cyclists looking to choose the right bike size at purchase and expert riders seeking to optimize their current bike geometry.
SizeMyBike is an established sports app that is a paid app. With a 2.5/5 rating from 10 reviews, it shows polarized user reception. Users particularly appreciate simple and instructive bike fitting process helps beginners find their ideal bicycle geometry, though inaccurate frame size and component recommendations lead to poor bike fit outcomes for riders remains a common concern.
What is SizeMyBike?
SizeMyBike is a mobile bike-fitting utility that calculates bicycle geometry based on six user body measurements.
Users hire the app to avoid the $150 cost of professional bike fitting sessions by using a self-service, morphology-based geometry calculator.
Current Momentum
v2.4 · 145mo ago
Zombie- Ships minor performance and stability improvements.
- Added new panel of tools in Xtra.
Active Nemesis
Bike Fast Fit Elite
By Double Dog Studios
Other Rivals
7-Day Rank Pulse 🇺🇸
SportsRating Pulse 🇺🇸
Recent User MoodAI-powered deep analysis surfacing high-signal insights. Still in beta, accuracy improves daily. For informational purposes only.
What makes this app unique?
What Does It Look Like?
How Is The App's Momentum Right Now?
Loading...
What Are The Key Features?
Calculates optimal geometry for road and mountain bikes using six specific body measurements.
Allows storage and management of bike fitting data for multiple riders.
Generates bike measurement reports in PDF format for email sharing or wireless printing.
How much does it cost?
- One-time purchase at $2.99
The app positions itself as a low-cost alternative to $150 professional fitting services.
Who Built It?
Providing specialized geometry analysis tools for cyclists to optimize bike fit and performance.
Portfolio
1
Apps
Who is La Pomme Chez Vous?
La Pomme Chez Vous operates as a niche utility developer, focusing on single-purpose tools for the cycling community. Their strategic approach centers on translating physical body metrics into actionable mechanical specifications, effectively digitizing a process traditionally reserved for professional bike fitting services. The primary tension for this publisher is the lack of recent development activity, suggesting the product has reached a static state of maintenance rather than active growth.
Who is La Pomme Chez Vous for?
- Road
- Mountain bike riders
- Ranging from hobbyists seeking purchase guidance to enthusiasts optimizing their current bike geometry
Portfolio momentum
The publisher has not released updates in the last 6 months and maintains a single app that has not been updated since 2014.
What do users think recently?
Low confidence · 29 reviews analyzed
How did the latest release land?
What is the recent mood?
Recent user voice shows a mixed sentiment. Users appreciate simple and instructive bike fitting process helps beginners find their ideal bicycle geometry, but report inaccurate frame size and component recommendations lead to poor bike fit outcomes for riders.
Limited review volume (29 reviews). Sentiment analysis will deepen as more data lands.
What is the competitive landscape for SizeMyBike?
How's The Sports Market?
How does it evolve in the Sports market?
SizeMyBike holds the #91 Paid position in the Sports category. The low review count of 29 suggests a stagnant user base that is not growing despite the low $2.99 entry price.
| Country | Category | Chart | Rank | Change |
|---|---|---|---|---|
| 🇵🇱 Poland | Sports | iOSPaid | #31 | ▲4 |
| 🇳🇱 Netherlands | Sports | iOSPaid | #35 | ▼3 |
The rivals identified
The Nemesis
Head to Head
The target app must decide between remaining a lightweight entry-level tool or evolving into a biomechanical analysis platform to compete with Elite's feature depth.
What sets SizeMyBike apart
Maintains a significantly lower entry price point, making it more accessible for casual recreational cyclists.
Focuses on a streamlined, rapid morphology-to-geometry workflow that minimizes user time investment during setup.
What's Bike Fast Fit Elite's Edge
Integrates sophisticated video analysis tools that provide objective biomechanical feedback rather than just static measurements.
Delivers professional-grade output reports that justify a premium price point for serious enthusiasts and fitters.
Peers
Operates a massive virtual world network that creates high switching costs through social and competitive gamification.
Provides deep hardware integration with smart trainers that automatically adjusts resistance based on user power output.
Synchronizes seamlessly with a vast ecosystem of proprietary wearable hardware and cycling-specific bike computers.
Aggregates long-term physiological trends that provide a holistic view of rider health beyond static bike fit.
Features community-driven route discovery and surface-type mapping that provides utility during the actual ride experience.
Implements a robust offline map engine that ensures reliability in remote areas without cellular data coverage.
Wahoo
★4.7 (43.3K)Wahoo Fitness
⚡A direct competitor in the cycling hardware ecosystem that bridges the gap between sensor data and user experience.
Provides a unified interface for configuring and updating a wide range of cycling-specific sensors and hardware.
Focuses on high-frequency data streaming for real-time performance monitoring during intense training sessions.
The outtake for SizeMyBike
Strengths to defend, gaps to attack
Core Strengths
- Low-cost alternative to $150 professional fitting services
- Niche-focused morphology algorithm
Critical Frictions
- High crash frequency post-update
- Persistent data loss during migration
- Lack of modern hardware support
Growth Levers
- Integration with wearable health data
- Expansion into specialized bike categories
Market Threats
- Video-analytical competitors rendering static measurements obsolete
- OS-level updates breaking legacy code
What are the next best moves?
Audit and fix PDF export crashes because they are the top-reported stability complaint → improve rating baseline
PDF export crashes are a top complaint theme in user reviews.
Trade-off: Pause the Xtra tool panel expansion — stability is a higher priority than feature depth.
Deprecate legacy iTunes sync because it is the primary source of data-loss complaints → reduce support overhead
Data loss during migration is a high-frequency complaint theme.
Trade-off: No major lever displaced — this is a necessary cleanup task.
A counter-intuitive read
The app's primary risk is not its lack of features, but its reliance on static measurements in a market shifting toward video-based biomechanical analysis.
Feature Gaps vs Competitors
- Video-based motion analysis (available in Bike Fast Fit Elite)
Key Takeaways
SizeMyBike provides a low-cost entry point for bike fitting, but its technical instability and lack of modern hardware support threaten its viability. The PM should prioritize stability fixes over new features to prevent further rating decline.
Where Is It Heading?
Declining
The bike fitting market is consolidating around tools that offer objective, video-based analysis, leaving static-measurement apps like SizeMyBike exposed. Without a significant technical refresh to support modern hardware, the app will likely continue to lose relevance to more capable, data-driven competitors.
Frequent application crashes and data loss issues following the latest update erode user trust and drive negative sentiment.
Lack of compatibility with modern mobile hardware prevents new users from launching the app, effectively stalling acquisition.