Comparison

MyCoach by Coach Catalyst vs Decem

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

Head to head
About

MyCoach by Coach Catalyst

This app connects clients with their personal coaches to track healthy habits through yes/no questions and push notifications. It integrates with Apple Health to automatically import activity and step data.

Highlights
  • Habit compliance tracking
  • Push notifications for reminders
  • Yes/No habit check-ins
  • HealthKit integration
  • Activity and step data import
Features
Read full description

The MyCoach by Coach Catalyst app is designed for clients of trainers who have enrolled in the MyCoach by Coach Catalyst program. The app will send push notifications and prompt clients to answer yes/no question in regards to comply with healthy habits sent by your coach. WHO CAN USE THE APP Clients can only use the app if they are working with a MyCoach by Coach Catalyst coach. If you are a MyCoach by Coach Catalyst client, please contact your coach to receive your invite and login credentials to be able to use this app. The MyCoach by Coach Catalyst app allows access to HealthKit, allowing clients to automatically pull in their activity and steps data from Apple Health to their app.

About

Decem

Read full description

Decem keeps the one number every personal trainer carries in their head: how many sessions each client has left. Add a client. Sell them a pack. Book them. Check the session off when it happens, and the count drops by one. That's the whole idea, and everything else in Decem exists to make that faster. CHECK OFF WITHOUT OPENING THE APP A home screen widget shows who's up today. Tap the circle and the session is done and counted. At the end of the day Decem sends one notification, "3 sessions today. All done?", and one press checks everyone off. That's the only notification it sends unless you ask for more. BOOK ONCE, NOT EVERY WEEK Book a client weekly for a number of weeks, or weekly until their pack runs out. Any session can be repeated at the same time next week in one tap. Two clients in one slot? Book them together and each uses a session from their own pack. KNOW BEFORE THEY RUN OUT Every client shows their count at a glance. Decem warns you at two left, and when you check off someone's last session it offers to sell the next pack right there. Sell a new pack while the old one still has sessions and they simply stack. YOUR CALENDAR, BOTH WAYS Every booking lands in Apple Calendar or Google Calendar. Move it there and Decem follows. Delete it there and the session is cancelled. Type a client's name into the Decem calendar and it becomes a booking. Conflicts with the rest of your life show up before you double book. ONE TAP CONFIRMATIONS After booking, Decem drafts a text to the client with the details and a calendar invite attached. You tap Send. The wording is yours to change. HONEST COUNTING Booking a session never touches the count. Only checking it off does. No shows and late cancellations follow your policy, and the answer is locked onto that session so changing your policy later never rewrites history. Every client's history shows a running balance, so you can see exactly where each session went. Moving over from paper? Enter the purchase date and what's already been used, and Decem picks up from there. PAYMENTS AND PACKAGES Set up what you sell: a single session, a 5 pack, a 10 pack, whatever your price list looks like. Record payments against each pack and see who owes what. KNOW WHAT YOU REALLY EARN (DECEM PRO) Insights turns your own data into the numbers a trainer never has: what you actually earn per session delivered, how much bulk discount you've given, what's owed to you, how many paid sessions are still on the books, your busiest days and hours, your top clients by value, and who's going quiet with sessions left. No tax jargon, no spreadsheets. YOURS, ON YOUR PHONE Your clients live on your iPhone and in your own iCloud. No Decem account, no Decem server, nothing to leak. Export everything to CSV any time, or delete everything in one tap. Free for your first three clients, forever, with every feature. Decem Pro unlocks unlimited clients and Insights, monthly, yearly, or once for life. Nothing is ever taken away: if Pro lapses, your clients stay right where they are. Built by a trainer, for trainers who count. Privacy Policy: https://decemapp.com/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

MyCoach by Coach Catalyst4 screens
Decem4 screens

Verdict

The call

The clearest difference is in-app purchases: MyCoach by Coach Catalyst at none against Decem's 3. MyCoach by Coach Catalyst also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). Decem's advantage is update cadence (every 3 days vs every 3 weeks). On price and ads 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. Decem sells 3 in-app purchases, starting at $7.99 per month. MyCoach by Coach Catalyst asks for nothing beyond the download.

UpkeepUpdate frequency

MyCoach by Coach Catalyst ships an update every 3 weeks, Decem every 3 days. The most recent releases landed on October 22, 2026 and October 15, 2026 respectively.

Scorecard4 real differences · 6 level
MyCoach by Coach Catalyst versus Decem: the parameters behind the verdict, then further details
ParameterMyCoach by Coach CatalystDecem
PriceFreeFree
Rating3.7 (27 ratings) — better—
Positive reviews25.9% of reviews—
Number of ratings27 — better—
Update frequencyEvery 3 weeksEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.6
Further details — not scored
Size43 MB2 MB
Age rating4+4+
DeveloperCatalyst Tech LLCVICTOR MATTHEW IVANESCU

In-app purchases

None

MyCoach by Coach Catalyst

No in-app purchases

3 purchases

Decem

Subscriptions2
  • Decem Pro Monthly$7.991 Month
  • Decem Pro Yearly$59.991 Year
One-time1
  • Decem Pro Lifetime$149.99

Questions

Is MyCoach by Coach Catalyst free?
MyCoach by Coach Catalyst is free to download, with no in-app purchases.
Is Decem free?
Decem is free to download, with in-app purchases available.
Do MyCoach by Coach Catalyst or Decem have ads?
Neither MyCoach by Coach Catalyst nor Decem shows ads.
Which is updated more often, MyCoach by Coach Catalyst or Decem?
MyCoach by Coach Catalyst ships an update every 3 weeks, and Decem every 3 days. Most recently, MyCoach by Coach Catalyst was updated on October 22, 2026 and Decem on October 15, 2026.

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