Paychex Flex vs OnShift Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Paychex Flex
This app connects employers and employees to essential payroll and benefits features. It allows for on-the-go payroll submission, access to vital reports, and management of employee information, retirement plans, and benefits.
- Submit payroll on the go
- Access payroll reports and cash requirements
- View employee check stubs and tax documents
- Manage employee profiles and time-off balances
- Access retirement plan information
- View health and benefits details
- Update retirement contributions
Read full descriptionHide full description
The Paychex Flex app can be used by previously registered Paychex Flex (paychexflex.com) users. Paychex Flex keeps employers and employees connected to the most vital payroll and benefits features. Available features will vary and are dependent upon your company's plan options. EMPLOYERS Touch ID and Face ID authentication Submit payroll - Enter, review, and submit on the go. - Resume payrolls started on your tablet or desktop. Access vital information - All reports, including payroll reports and cash requirements. - Employee check stubs and tax documents. - Employee profiles, compensation, taxes, deductions, and time-off balances. - Retirement plan balances, participation rates, and employee eligibility. - Health and benefits carrier information and member guides. - Health and benefits employee enrollment and election information. EMPLOYEES Touch ID and Face ID authentication Access vital information - Check stubs and W2s. - Retirement balances, contributions, returns, and loans. - Update retirement contributions and investments. - Profile, compensation, taxes, deductions, and time-off balances. - Health, dental, and life insurance benefit details, deductions, and contact information. - FSA contributions, balances, claim, and reimbursement activity.
OnShift Mobile
Manage your work schedule, communicate with colleagues, and handle shift requests on the go. This app allows employees to view their schedule, respond to messages, and request time off. Schedulers can manage call-offs and communicate with staff efficiently.
- View schedule anytime, anywhere
- Receive and reply to messages
- Manage open shift notifications
- Request shifts, fill-ins, and time off
- Set communication preferences
- Manage call-offs
- Contact staff via Employee Directory
Read full descriptionHide full description
OnShift Customers: Manage your schedule anytime, anywhere with OnShift’s easy-to-use mobile app. Employees: Access and manage your schedule anytime. - View your schedule anytime, anywhere - Receive and reply to messages & open shift notifications - Request shifts, fill-ins & time off - Set communication preferences - View reward and performance history (OnShift Engage Customers Only) Schedulers: Quickly manage call-offs on-the-go! - Remove and log called-off employees - Send messages to available and qualified staff - Contact staff members directly using the app’s Employee Directory NOTE: The OnShift mobile app is available to all OnShift customers. Please contact support@onshift.com with any questions.
Screenshots
Verdict
The clearest difference is rating: Paychex Flex at 4.8 against OnShift Mobile's 1.6. Paychex Flex also leads on ratings volume (577K vs 298) and update cadence (monthly vs every 2 months). OnShift Mobile's advantage is iOS requirement (12.2 vs 17.4). On price, review sentiment, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Paychex Flex holds the better App Store score, 4.8 against 1.6. That said, the two scores are not equally well evidenced: Paychex Flex has 577K ratings behind it against 298, so its average is the more settled of the two. Written reviews point the same way: 12% of Paychex Flex's written reviews are positive against 5% of OnShift Mobile's.
Paychex Flex ships an update monthly, OnShift Mobile every 2 months. The most recent releases landed on November 11, 2026 and November 10, 2026 respectively.
| Parameter | Paychex Flex | OnShift Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (577K ratings) — better | 1.6 (298 ratings) |
| Positive reviews | 12.3% of reviews — better | 4.6% of reviews |
| Number of ratings | 577K — better | 298 |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | #37 — better | — |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 17.4 | 12.2 — better |
| Further details — not scored | ||
| Size | 338 MB | 59 MB |
| Age rating | 12+ | 17+ |
| Developer | Paychex, Inc | OnShift, Inc. |
Customer experience
Paychex Flex
OnShift Mobile
User reviews
Paychex Flex
From 577K App Store ratingsWhat we love
- ⭐ Convenient access to payroll information
- 🚀 Easy to use and navigate
- 💻 Helpful for both employers and employees
Room to improve
- 🐢 Slow and unresponsive app performance
- 🐛 Frequent crashes and glitches
- 🔒 Security issues with account access
- 💸 Concerns about privacy and data sharing
OnShift Mobile
From 298 App Store ratingsWhat we love
- 👍 Easy to use
- 💡 Convenient for scheduling
Room to improve
- 🐛 Frequent crashes and glitches
- 🔍 Unreliable connectivity
- ⏱️ Slow performance
- 🔒 Login and password issues
- 💸 Wallet/pay issues
Bugs and requests
Paychex Flex
Reported bugs
3 issues- Login screen freezes or fails to load
- Time tracking inaccuracies and missed punches
- Inconsistent app behavior across devices
Requested features
3 requests- Ability to edit time punches directly in the app
- More detailed payroll information and reporting
- Improved notification system for payroll updates
OnShift Mobile
Reported bugs
4 issues- Constant log-outs and login issues
- Scheduling information not always accurate
- Wallet/pay feature frequently not working
- App freezes and crashes often
Requested features
5 requests- Improve stability and reliability
- Add fingerprint/biometric login
- Enhance scheduling and shift management features
- Integrate with external calendars
- Improve wallet/pay functionality
In-app purchases
Paychex Flex
No in-app purchases
OnShift Mobile
No in-app purchases
Questions
Is Paychex Flex free?
Is OnShift Mobile free?
Which has better reviews, Paychex Flex or OnShift Mobile?
Do Paychex Flex or OnShift Mobile have ads?
Which is updated more often, Paychex Flex or OnShift Mobile?
Other comparisons
