ReadySub vs Frontline Education
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ReadySub
Manage substitute teaching assignments conveniently from your mobile device. View and accept available jobs directly on your iPhone or iPad. This application is completely free to use.
- Manage substitute assignments
- View jobs on mobile
- Accept jobs on the go
- Free to use
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The ReadySub mobile app allows you to manage your substitute assignments on the go. You can view and accept jobs from your iPhone or iPad, and best of all, for free.
Frontline Education
Manage your work schedule and employee information from anywhere. Check leave balances, submit absence requests, and find colleagues quickly. Receive important alerts directly on your phone.
- Check leave balances
- Create absences
- View colleague directory
- Search for colleagues
- Receive web alerts
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The Frontline Education mobile app is a quick and easy way to access the Frontline Insights Platform while on-the-go. Employees will be able to check leave balances, create absences, view and search for fellow colleagues, and receive web alerts right on their mobile phone. This app is available for districts and their employees that have added the Frontline Insights Platform.
Screenshots
Verdict
The clearest difference is rating: Frontline Education at 4.7 against ReadySub's 2.0. Frontline Education also leads on ratings volume (84K vs 140) and update cadence (every 5 weeks vs every 5 months). ReadySub's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model 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.
Frontline Education holds the better App Store score, 4.7 against 2.0. That said, the two scores are not equally well evidenced: Frontline Education has 84K ratings behind it against 140, so its average is the more settled of the two. Written reviews point the same way: 18% of ReadySub's written reviews are positive against 36% of Frontline Education's.
ReadySub ships an update every 5 months, Frontline Education every 5 weeks. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.
| Parameter | ReadySub | Frontline Education |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (140 ratings) | 4.7 (84K ratings) — better |
| Positive reviews | 18.5% of reviews | 36.0% of reviews — better |
| Number of ratings | 140 | 84K — better |
| Update frequency | Every 5 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | — | #187 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 9 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Glass Arc LLC | Frontline Technologies Group LLC |
Customer experience
ReadySub
Frontline Education
User reviews
ReadySub
From 140 App Store ratingsWhat we love
- 👍 Easy to accept jobs
- 👍 Simple tool to review jobs
- 👍 Intuitive and easy to use
- 👍 Quick and easy access to jobs
Room to improve
- 🐛 Notifications don't work
- 🐛 App is primitive/basic
- 🐛 Lacks functionality
- 🐛 Useless for teachers
- 🐛 Only shows available jobs
Frontline Education
From 84K App Store ratingsWhat we love
- 🚀 Easy to use app
- 👍 Convenient for accepting jobs
- 💡 Helpful notifications for new jobs
Room to improve
- 🐛 Frequent login issues
- 🐛 Notifications not working consistently
- 🐛 Glitches and crashes
- 🔒 Security concerns with logging out frequently
Bugs and requests
ReadySub
Reported bugs
58 issues- Notifications never work
- Missed job opportunities due to lack of notifications
- iPhone app is primitive
- No push notifications
- App does not show a calendar for accepted assignments
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- Does not function right, won't let you mark down days of absence
- Slow to load jobs
- No way to reject a job in the app
- Cannot set days you are not available in the app
- Login error
- Have not been able to log in for days
- Never been able to open or use app
- Doesn't even show the jobs you have
- Doesn't alert you that there are jobs available
- App is horrible, has NEVER worked
- Nothing is on this app
- App is useless because I receive notifications of available job through email only
- App is only available for use by subs
- App is useless, only shows available jobs
- Cannot view any assignments once accepted
- Cannot manage settings/preferences through the app
- Cannot view jobs they have already accepted
- Job may be listed as only one day when it covers several days
- Notes left by the teacher are cut off and cannot be expanded
- Signed me out and won't let me sign back in
- Does not let me do anything else other than see the jobs
- Chosen jobs were not saved somewhere on the app
- Doesn't do or show anything
- Cannot see the whole dashboard
- Cannot accept, review, cancel any job
- Cannot use calendar to mark unavailable dates
- No calendar to see my schedule
- App needs some serious updates
- Desktop app lacks the ability to block out periods of time all at once
- Cannot go back to see notes, start time or any details after hitting accept
- Notifications from the app don't work
- Cannot see what I’m booked for, where I’m going, or where I’ve been
- App is limited on what you can do
- Does not show available jobs
- The app does nothing
- No notifications when new jobs are posted
- Not receiving text messages for available jobs
- App has not functioned for several months
- Can’t see accepted jobs
- Cannot accept any jobs through the app
- Email and password not recognized
- App is only good for letting me know a job is available
- App doesn’t tell you anything except available jobs
- 99% of the time it doesn’t show available jobs
- No reason to have the app
- Only thing I can do is accept/check for new jobs
- Disappointed that is the only thing I can do
- Have to log onto the website to review booked jobs
- Not receiving one notification on iPhone or iPad
- Missing employment opportunities because of this
- App doesn’t work for me on my phone
- Others have said the same
- Have to open the internet browser on my phone just to accept any jobs
Requested features
15 requests- Filter selected schools and grade levels
- Send notifications when jobs are available
- Show calendar for accepted assignments
- Immediate text notifications
- View accepted jobs
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- Filter jobs by location
- Set preferences for job visibility
- Add accepted jobs tab
- Calendar feature
- Interface with Google Calendar
- Full website functionality in app
- Mark unavailable dates
- Block out periods of time at once
- See dashboard and calendar
- Teacher access to search/assign subs
Frontline Education
Reported bugs
4 issues- Jobs disappearing from the app
- Inability to log in or stay logged in
- Notifications not working after updates
- App freezing or not loading properly
Requested features
4 requests- Add ability to cancel jobs from the app
- Integrate calendar functionality to add jobs directly
- Improve notification system to be more reliable
- Allow setting non-work days from the app
In-app purchases
ReadySub
No in-app purchases
Frontline Education
No in-app purchases
Questions
Is ReadySub free?
Is Frontline Education free?
Which has better reviews, ReadySub or Frontline Education?
Do ReadySub or Frontline Education have ads?
Which is updated more often, ReadySub or Frontline Education?
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