# When I Work Staff Scheduling vs Sling

The clearest difference is update cadence: When I Work Staff Scheduling at weekly against Sling's every 5 weeks. When I Work Staff Scheduling also leads on review sentiment (90% vs 70%). Sling's advantage is iOS requirement (15.5 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.8 for When I Work Staff Scheduling against 4.7 for Sling. Both are backed by a comparable volume of ratings — 58K and 27K respectively. Written reviews are what separate them: 90% of When I Work Staff Scheduling's written reviews are positive against 70% of Sling's.

When I Work Staff Scheduling ships an update weekly, Sling every 5 weeks. Both last shipped on November 6, 2026.

## The numbers

| Metric | When I Work Staff Scheduling | Sling |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (58K ratings)](https://appshunter.io/ios/app/when-i-work-staff-scheduling/id383126470/reviews)** | [4.7 (27K ratings)](https://appshunter.io/ios/app/sling-employee-scheduling-app/id922995624/reviews) |
| Number of ratings | **58K** | 27K |
| Positive reviews | **89.8% of reviews** | 70.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 weeks |
| Monetization | Free | Free |
| Best chart rank | #97 | **#63** |
| Size | 236 MB | 62 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [When I Work, Inc.](https://appshunter.io/developer/383126473) | [Sling Incorporated](https://appshunter.io/developer/500169842) |

## What reviewers say

### When I Work Staff Scheduling

[App page](https://appshunter.io/ios/app/when-i-work-staff-scheduling/id383126470)

**Currently charting:** #97 Top Free · Business (US App Store)

This app streamlines employee scheduling and time tracking for businesses. It enhances team communication, accountability, and helps manage labor costs effectively. Features include shift swapping, time clock, and payroll integration.

**Highlights:** Employee scheduling, Time tracking, Team communication, Shift swapping, Time off requests, Labor forecasting, Payroll integration

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Convenient for scheduling
- 💡 Helpful for shift swapping and communication
- 👍 User-friendly interface
- 👍 Effective for managing staff

**What reviewers complain about**

- 🐛 Occasional bugs and glitches
- 🔍 Difficult to navigate some features
- 🔍 Lack of customization options
- 🔍 Issues with shift approval and time-off requests
- 🔍 Problems with the messaging/chat functionality

**Reported bugs**

- App crashes or freezes frequently
- Unreliable notifications and alerts
- Syncing issues between mobile and web versions
- Problems with location-based clock-in/out features

**Requested features**

- Allow employees to view Sunday schedules
- Improve shift drop/swap process
- Add a sick day request feature
- Provide more flexibility in availability settings
- Enhance the calendar view and scheduling tools


### Sling

[App page](https://appshunter.io/ios/app/sling-employee-scheduling-app/id922995624)

**Currently charting:** #63 Top Free · Business (US App Store)

This app simplifies employee scheduling and workforce management. It allows for fast schedule creation, labor cost control, and efficient team communication. Features include time tracking, payroll export, and compliance tools.

**Highlights:** Schedule employee work shifts, Track employee time and attendance, Optimize labor costs, Streamline team communication, Simplify payroll processing, Manage multiple work locations

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💻 Easy to use
- 📅 Convenient scheduling
- 🔔 Helpful reminders
- 💬 Effective communication
- ⭐ Great for small businesses

**What reviewers complain about**

- 🐛 Bugs and glitches
- ⏱️ Slow performance
- 🔍 Inconsistent notifications
- 📆 Limited calendar integration
- 🔒 Security issues with login

**Reported bugs**

- Schedule not loading properly
- Shifts disappearing from view
- Constant need to re-launch app
- Unreliable push notifications

**Requested features**

- Add color-coding for shifts
- Integrate with external calendars
- Improve shift swapping functionality
- Provide more customization options
- Develop an Apple Watch app


## Frequently asked questions

### Is When I Work Staff Scheduling free?

When I Work Staff Scheduling is free to download, with no in-app purchases.

### Is Sling free?

Sling is free to download, with no in-app purchases.

### Which has better reviews, When I Work Staff Scheduling or Sling?

When I Work Staff Scheduling is rated higher. When I Work Staff Scheduling averages 4.8 out of 5 from 58K ratings, while Sling averages 4.7 from 27K ratings.

### Do When I Work Staff Scheduling or Sling have ads?

Neither When I Work Staff Scheduling nor Sling shows ads.

### Which is updated more often, When I Work Staff Scheduling or Sling?

When I Work Staff Scheduling ships an update weekly, and Sling every 5 weeks. Most recently, When I Work Staff Scheduling was updated on November 6, 2026 and Sling on November 6, 2026.

### Which is more popular, When I Work Staff Scheduling or Sling?

When I Work Staff Scheduling currently peaks at #97 in the App Store charts, and Sling at #63. Chart position reflects recent download velocity rather than total install base.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*