Side by side
Klacks vs Sling
Both stand on shift scheduling. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxWebWindows
Visit Klacks 
Free plan AndroidAPIiPhone+1
Sling combines scheduling, team communication, and workforce-management features across free and paid plans. Check plan differences and mobile app requirements against your team's needs.
Visit SlingThe facts
| Klacks | Sling | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | No |
| Runs on | Linux, Web, Windows | Android, API, iPhone, Web |
| Lowest paid plan | Not published | Free or on request |
| Plans published | None | 3 |
| Maker | Not published | Not published |
| Website | klacks-software.ch | getsling.com |
| On shift scheduling | #9 of 24 | #5 of 24 |
Klacks: what it does well
Sling: what it does well
- Free plan supports up to 30 users
- Includes shift swaps and open-shift management
- Premium tracks labor costs and overtime
- Toast connection can export timesheets to Toast Payroll
What to know first
- Some actions require a desktop browser
- Mobile app requires iOS 11 or Android 5 or later
- Premium is $2 a month per user