Should you build your own 360, or buy one?
An honest look at running 360s yourself — a form, a spreadsheet, and a ChatGPT tab — versus buying the part that's actually hard to do safely.
You can build a basic 360 with a form and a spreadsheet, and for a one-off it's fine. It breaks down on confidentiality, synthesis, and consistency the moment it's recurring or sensitive — which is when most teams quietly start pasting reviews into ChatGPT. So the honest framing isn't build vs. buy. It's whether the process you're already running is governed and owned, or improvised and exposed.
Most teams that "build" a 360 haven't built anything
When someone says they'll run the 360 in-house, picture what that actually is: a Google Form to collect, a spreadsheet to store it, and a person — usually an HR business partner — summarizing the results by hand. Increasingly, that last step means pasting the responses into ChatGPT and hoping the output is right.
That's not a system you built. It's a person and a prompt, re-run every cycle. Which is why the real question isn't whether to build or buy — it's whether the thing you're already doing is safe, consistent, and off your team's plate.
Four cracks that show up once it's real
It's a person and a prompt, re-run every cycle
Nothing accumulates. Every cycle starts over, and the quality swings with whoever happens to run it. "Accuracy verified" by one busy person, under deadline, is not a process.
The real build is the governance, not the summary
A summary is a prompt. A defensible 360 is anonymity thresholds, attribution-safe redaction, access controls, an audit trail, and a guarantee no one trains on your employees' words. That's an engineering and legal project — not a Saturday afternoon.
The opportunity cost compounds
Every hour your people spend maintaining a homegrown 360 is an hour not spent on the work only they can do. And the moment the person who built it leaves, it rots.
It's methodology, not summarization
A homegrown prompt summarizes. It doesn't carry a development framework, it doesn't improve across hundreds of reviews, and it can't tell a vague comment from an actionable one. The synthesis is the product — not the survey.
Sometimes it genuinely is. A one-time, low-stakes, non-anonymous pulse — a quick "what should I keep doing?" — doesn't need a tool. And if you have real engineering and HR capacity plus a mandate to keep every byte in-house, building the governed version yourself can be worth it. We'll tell you when you're in one of those cases.
The moment a 360 is recurring, anonymous, or tied to someone's growth, the synthesis and confidentiality are hard to do well by hand — and "we'll just use ChatGPT" stops being safe. That's most teams, most of the time.
"Build" reads as free because there's no invoice
The cost shows up elsewhere: hours, inconsistency, and risk — a confidentiality slip, a reviewer who softened their feedback because they didn't trust the form, a report that never got written because the quarter got busy. And for anyone who bills for their time, the hours aren't abstract — they have a number on them.
per report — 2–3 hours of reading, de-attributing, and writing the narrative, at a $200–$500 coaching rate. That's billable time spent on a client instead of charged for.
A single per-report price — less than you'd charge a client for one hour of the work it replaces. You keep the hours; the report still gets written.
Running it in-house instead of on a coaching roster? The same math holds on loaded staff hours — the invoice is just buried in payroll instead of a missed billable.
The questions people actually ask
Should I build or buy a 360 review tool?+
If it's a one-time, low-stakes check and you have the time, building with a form and a spreadsheet is fine. Once it's recurring, anonymous, or sensitive, the synthesis and confidentiality are hard to do well by hand — that's where buying pays off. The real question is whether your current process is governed and owned, or improvised and exposed.
Can I run a 360 review with Google Forms?+
Yes, for collection. The gap is everything after: keeping responses anonymous below a threshold, stripping attribution, and turning raw answers into themes someone can act on. Forms collect; they don't synthesize or govern.
Is it okay to use ChatGPT to summarize 360 feedback?+
Pasting employee feedback into a consumer chatbot puts confidential, attributable data into an ungoverned tool — often against your own data policies — and the output isn't verifiable or consistent. If you're already doing it, that's a sign the manual summary is too painful, which is exactly the reason a governed tool exists.
How much does it cost to build 360 feedback in-house?+
The licence cost is zero; the real cost is hours and risk. Building a defensible version — anonymity controls, redaction, audit, a no-training data guarantee — is an engineering and legal effort, plus ongoing maintenance. Most teams find a per-report tool cheaper than the hours alone.
When does building your own 360 make sense?+
For a one-time, non-anonymous, low-stakes pulse, or when you have real engineering and HR capacity plus a hard mandate to keep all data in-house. Outside those, the math usually favors buying the synthesis.
Stop running your 360 out of a spreadsheet and a ChatGPT tab
Keep your questions and your debrief. Let 360Growth handle the confidential collection and the synthesis — governed, consistent, and done in about a week.