SundayOS+: Systems for the Growing Church
SundayOS+
3 days to Sunday
>> Church growth systems

Your Sunday already runs on an operating system*

*Right now, it's you.

It's worked until now. But you're feeling the ceiling.

SundayOS+ installs the systems that grow your church.

Start here Three questions · twenty seconds · no email

Three questions and you'll know which system to install first.

Q01
Q02
Q03

More than one of these is probably true. Which one costs you the most this Sunday?

And what would actually help right now?

What is your average weekend attendance (adults, in person)?

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What we do

The tool that growth-focused pastors and leaders depend on.

A system is what you stop rebuilding. Four growth systems, installed one at a time over a year, in order, so the part you fixed in March is still running this upcoming November.

Based on your answers

Your people aren’t inviting anybody. It isn’t that they don’t love the church. They don’t know what their friend would walk into.

A Sunday people bring their friends to.

Attractive Sundays

How we install it

  • Lock the running order so every Sunday starts from the same place.
  • Script the first five minutes and hand it to one owner.
  • Run the same open four weeks before you change anything.

You'll know what Sunday is before you walk into it.

The guest who came twice and quietly stopped coming is the most expensive person in your building, and you’ll never know their name.

Guests become your people.

Clear Next Step

How we install it

  • Capture every guest the same way, every week.
  • One ask, one path, nothing competing with it.
  • Follow up inside 24 hours, by name.

You'll know who came, and what happened next.

You’re asking the same eight people to cover everything, and every ask costs you a little more than the last one did.

A team that carries the weight with you.

Servant Culture

How we install it

  • Build out your serve team onboarding and scheduling systems.
  • Create a magnetic, team-based culture.
  • Develop SOPs so nobody is guessing.

The weekend runs when your best people are away.

The year gets away from you. Easter shows up in March, Christmas shows up in November, and neither one got the run at it you meant to give it.

A year you can see coming.

Momentum Programming

How we install it

  • One calendar, built backwards from the dates that matter.
  • Rank every ask before it gets announced.
  • Every event earns its slot or comes off.

You'll see the year coming, and so will your team.

And some of it you can fix this week.

Seven switches, in the order they should happen. The first one is your clock, it's free, and most churches feel the difference by the second Sunday.

Install your first system →

But you also need…

Success stories

Sunday Collective churches report 30%* growth in adult in-person attendance.

* Adult, in-person. Not online views, not kids, not Easter.

We're up 28% on attendance. We're up 31% on giving.

Watch

People have just been showing up out of nowhere.

Watch

We are high and excited about what we're about to step into this year as a team.

Watch
Who's behind this

I've led in churches of 50 to 15,000.

Pastor,

I started leading in my church at thirteen. That is twenty-five years inside weekends now. Churches of fifty, churches of fifteen thousand, and most of the sizes in between. The buildings were different. The budgets were different. The staff was different. The systems were identical.

What I want for your church is plain. I want the Sunday you can already see in your head to happen on purpose, week after week, whether or not you are at your best that morning. Not a better idea. A weekend that holds without you carrying it.

In 2017 I lost my left hand and had to rebuild how I do almost everything. That is where I learned what I now teach. Systems are what let you keep going on the days you cannot power through.

Twenty-five years running weekends, churches from 50 to 15,000, and the seven switches published in Sunday By Design. Churches in the Sunday Collective report 30% growth in adult in-person attendance.

So I wrote the switches down, and now I install them beside pastors and executive teams one at a time. I have watched what happens when a leader stops holding Sunday together by hand. The room changes. The team changes. The numbers follow.

If your weekend is still resting on you, I would like to help you change that.

Sheldon J. Andrus III

CEO | Andrus Advisory
Churches of 50 to 15,000 · 15+ years across ministry, higher education, and nonprofits · Author of Sunday By Design · Host of The Irresistible Leader
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Four ways in

Start where you are.

See it free. Learn it for $89. Work it with peers for $299. We come to you by application.

Recommended for you Start here
See it.
Free

See the basic systems. Decide for yourself.

$0
No card. Just an account.
Start here if you want to see how this actually works before you spend anything.
Explore what's inside
  • The 7 Switches of Sunday By Design
  • Tools you can use this Sunday
  • The podcast
Recommended for you
Learn it.
SundayOS+ Premium

The SundayOS Library, on demand.

$89mo
or $890/year. Cancel anytime.
Start here if you learn by doing and you'd rather build it yourself, as long as somebody hands you the parts.
Explore what's inside
  • Over 140 tools and resources, organized by the four pillars. Start with the pillar that’s breaking.
  • On-demand courses on every pillar. Watch how each system works before you build it, at whatever hour you actually have.
  • Everything your team runs on, already written. Job descriptions, org charts, SOPs, metric trackers, scripts, and templates. Every one of them came out of a real church. Yours to hand out this week.
Plus everything in Free.
Recommended for you
Work it.
The Sunday Collective

A room where nobody apologizes for wanting growth.

$299mo
or $2,990/year. Cancel anytime.
Start here if you have the material and you're moving slower than you meant to.

You run harder when you run together.

Explore what's inside
  • You won't guess where to start. Take the systems diagnostic, then go through it one to one with our team. One session, in your first month, and you'll leave knowing which order you're installing, and why.
  • The Mastermind with Sheldon, live every month. Bring last Sunday. We debrief it together and you leave with a decision.
  • The room doesn't close between sessions. The things you can't say to your staff or your board, you say here on a Tuesday, to pastors who've been exactly where you are. That's what running together looks like the other twenty-nine days.
Plus everything in SundayOS+ Premium.
Recommended for you
Sunday Collective Premium

The year you stop carrying it by yourself.

By application
Twelve-month term.
We come to you. Travel included.
The Weekend Experience Audit is the first thing that happens.

Four systems installed in twelve months. One per quarter. With proof.

Explore what's inside
  • We’re in your building on a Sunday. Your Weekend Experience Audit, in the room before doors, watching what your guests see. Nobody else is going to tell you what your Sunday is actually like.
  • Your coach, on call. Weekly with you and your team, and a line you can use any day in between. Send what you built on a Tuesday and hear back on it.
  • Your Install Plan. It holds you to what you said you'd do, quarter by quarter, with the date each system closed.
  • The Roundtable. Atlanta, this fall. Bring your team and build 2027 in the room with Sheldon and our coaches.
Plus everything in the Collective.
Apply now

Pay annually and get two months free. Paid plans finish on our member platform.

Sunday is in six days.

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Haven't read Sunday By Design? Start there

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