
CiraSync
Simplish
Clariti.app
Socialsuite
SteerIO
AhoyTeam
Sunsama
Team calendar, shift schedules and rotations in Slack and Microsoft Teams

Deno
Full-stack Javascript Components for one-dev armies

Which is more popular?
Based on our record, TurnShift seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | turnshift.app | nullstack.app |
| Pricing | ||
| Platforms | — | |
| Company | Startup from France · 1 - 9 employees · 2021 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


TurnShift is a team calendar and shift scheduling app for Slack and Microsoft Teams (Teams is in beta). Set up who covers support, on-call or the front desk, and TurnShift tells people before their shift, in Slack, Teams or by email. It posts who is on in the channel and shows every schedule on...
No description of Nullstack yet.
What each product offers, as listed by its team.


Possible disadvantages
Walkthroughs and reviews on video.
Stop running shifts in a spreadsheet: TurnShift for Slack
More videos
Full-stack with Nullstack - Part 3
More videos
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing TurnShift and Nullstack.
TurnShift's answer
TurnShift's answer
You see and change everything on one calendar. Select days, pick someone, done. Most shift tools send you through forms and settings pages for that. TurnShift then tells people in the Slack or Microsoft Teams channels they already read, and you can run it all from Claude or ChatGPT through its MCP server.
TurnShift's answer
A schedule takes a few minutes to set up, and assigning a month takes seconds. You only pay for people on an active schedule: with 300 people in Slack and 5 on a schedule, you pay for 5. It is one plan with every feature, 3.50 EUR per person per month billed yearly, and a 14 day trial with no card.
TurnShift's answer
Team leads and admins at small and medium companies who share a duty: support, on-call, the front desk, office chores. They are on Slack or Microsoft Teams and want to stop asking "who is on today?" in a channel.
TurnShift's answer
Vincent Voyer built TurnShift in France in 2020, as a simple shift calendar connected to Slack: a team calendar for recurring tasks like PR reviews, who's on support or who's qualifying leads. Algolia, its oldest customer, shares its customer support duty with 50+ engineers on it. In 2026 it got automatic rotations, four languages, free tools and Microsoft Teams.
TurnShift's answer
Next.js, React and Tailwind, PostgreSQL on PlanetScale, hosted on Vercel, with Stripe for billing and the Slack and Microsoft Teams APIs.
Share your experience with using TurnShift and Nullstack. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Shameless plug, if you're looking for a simple shift scheduling calendar connected to Slack, I built this: https://turnshift.app. It's a team calendar to share recurring tasks as a team. Things like PR reviews, who's on support, who's... - Source: Hacker News / almost 5 years ago
I was lucky to be part of the beta for my SaaS (https://turnshift.app) and I must say this new feature simplifies things A LOT. Especially as a EU business owner, I previously had to sync every VAT tax rate possible, use a complex... - Source: Hacker News / over 5 years ago
Tracking Nullstack since Apr 2021.
When comparing TurnShift and Nullstack, you can also consider the following products.

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Simplish is a day planner software that is used for time management.
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Impact measurement with measured outcomes
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Steerio enables managers and teams to continuously monitor alignment and engagement and measure decisions' impact through data and feedbacks.
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