Comparison

The Gym Doc vs Simplex by SMS

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

Head to head
About

The Gym Doc

Features
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Capture revenue for your business easier than ever before with the only all in one marketing platform for fitness business owners. Access your entire business from one platform. Automate your business. Communicate with leads. Build a site in minutes. Manage your reputation. Check business revenue anytime, anywhere. The Gym Doc syncs with your advertising platforms such as facebook or google and syncs directly with your calendar allowing you to completely automate lead generation and text sequences. This is your first employee who truly works 24/7/365. GET ORGANIZED: Set up task management Manage your sales pipeline Assign tags to organize your leads to your liking Centralize communication with each lead from various platforms all in one single channel Set up text, email, or notification reminders for important calendar events AUTOMATE YOUR BUSINESS: Build text nurturing sequences to keep every lead engaged Build email nurturing sequences to keep every lead engaged Limitless if this/then that capabilities to automate the client onboarding process Generate appointments on demand without lifting a finger ACCESS ANYWHERE Sync your notes and notebooks automatically across any computer, phone, or tablet. Start your work on one device and continue on another without missing a beat. CONTENT CREATION: Build your course and lead magnet right inside the app Track course completion rates Create upsells to generate hands off revenue REPORTING DASHBOARD: Access your overall business revenue performance in seconds Track campaign analytics of advertising campaigns Track lead stages and lead appointment status

About

Simplex by SMS

This all-in-one platform uses AI to streamline sales and marketing for gym owners. It offers lead generation, automated workflows, reputation management, and a website builder. Seamlessly syncs automated marketing with personal team interaction for a personalized customer experience.

Highlights
  • AI-powered sales and marketing
  • Lead generation from multiple sources
  • Automated workflows
  • Reputation management tool
  • Website builder
  • CRM/lead management
  • 2-way sync with automation
Features
Read full description

Calling all gym owners! Are you tired of juggling multiple systems to manage your sales and marketing efforts? Simplex Marketing System is here to revolutionize your gym's marketing game! Our all-in-one platform, powered by advanced AI technology, is designed to help you streamline your sales and marketing processes, increase efficiency, and drive more revenue. Our platform includes features such as lead generation from multiple sources, automated workflows, and a reputation management tool, all designed to build your gym's online presence and grow your customer base. Our website builder and CRM/lead management system allow you to manage all aspects of your gym's marketing and sales in one easy-to-use platform. But what sets Simplex Marketing System apart is our unique 2-way sync with automation. Our platform seamlessly integrates the experience delivered by automated marketing communications with the personal touch delivered by your team. Humans and robots can work together to provide your gym's customers with a personalized experience that drives results. Don't wait any longer to take your gym's marketing efforts to the next level. Join the thousands of businesses who have already discovered the power of Simplex Marketing System and experience the benefits of seamless automation and human interaction today!

Screenshots

The Gym Doc3 screens
Simplex by SMS4 screens

Verdict

The call

The Gym Doc and Simplex by SMS are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

The Gym Doc ships an update every 2 months, Simplex by SMS every 3 months. The most recent releases landed on September 10, 2026 and June 1, 2026 respectively.

ScorecardNo meaningful differences
The Gym Doc versus Simplex by SMS: the parameters behind the verdict, then further details
ParameterThe Gym DocSimplex by SMS
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 months — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.616.0 — better
Further details — not scored
Size316 MB347 MB
Age rating4+17+
DeveloperZach Carrington Coaching and Consulting, LLCSimplex Marketing System LLC

In-app purchases

None

The Gym Doc

No in-app purchases

None

Simplex by SMS

No in-app purchases

Questions

Is The Gym Doc free?
The Gym Doc is free to download, with no in-app purchases.
Is Simplex by SMS free?
Simplex by SMS is free to download, with no in-app purchases.
Do The Gym Doc or Simplex by SMS have ads?
Neither The Gym Doc nor Simplex by SMS shows ads.
Which is updated more often, The Gym Doc or Simplex by SMS?
The Gym Doc ships an update every 2 months, and Simplex by SMS every 3 months. Most recently, The Gym Doc was updated on September 10, 2026 and Simplex by SMS on June 1, 2026.

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