Comparison

Red Rover K12 vs SubSpark

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Red Rover K12

This app simplifies absence management for K12 school districts. It allows employees to register absences, substitutes to find and accept assignments, and administrators to manage the entire process. Receive instant notifications and sync assignments to your calendar.

Highlights
  • Register, change, or cancel absences
  • Book and accept substitute assignments
  • Manage employee and substitute availability
  • Sync assignments to personal calendar
  • Approve and verify absences
  • Instant notifications for assignments
Features
Currently charting
Read full description

The official Red Rover app puts the power and simplicity of Red Rover right in the palm of your hand. Best of all, its 100% free for all users, including substitutes. Whether you’re on the go or in the zone, Red Rover is the perfect companion to help you quickly book assignments, set your availability, register an absence and so much more. For substitutes: - Instant notifications about upcoming sub assignments available in your school districts - Review and accept available assignments without ever leaving the app - Automatically sync your assignments to your personal calendar - Manage your availability and school preferences For employees: - Quickly register, change, or cancel an absence - Search for qualified and available substitutes - View the status of your past and upcoming absences - Receive status update notifications about your absences For administrators: - Manage, approve, and verify absences, vacancies, and assignments - View employee and sub profiles and settings - Receive status update notifications Access to Red Rover is granted by school districts that use the Red Rover service. Check with your district to see if you have access to the most modern, intuitive substitute placement platform. More About Red Rover Red Rover is a the fastest growing HR solution on the market for K12 absence management and substitute placement. Our web and mobile technology is designed by industry experts and based solely on customer feedback. Why Red Rover Manually managing absences and filling them with qualified substitutes is very time-consuming and messy. With Red Rover’s intuitive interface, process automation, and text message notifications your district’s absences can be filled automatically without even lifting a finger. Better In Every Way There are so many ways that Red Rover has reimagined and improved absence management. Here are just a few: - A modern interface that’s simple and fun to use - Transparent, predictable, and affordable - Free app for substitutes with mobile notifications

About

SubSpark

This app streamlines substitute teacher management for schools. It allows administrators and teachers to quickly find, book, and manage substitute educators, eliminating the need for traditional, time-consuming methods. The platform aims to ensure consistent coverage and reduce scheduling chaos.

Highlights
  • Fast and easy booking of substitute teachers
  • Build and manage preferred substitute lists
  • All-in-one admin dashboard (desktop)
  • Intuitive and user-friendly interface
  • Reduces scheduling complexity
Read full description

Simplify substitute teacher management with SubSpark. SubSpark helps school administrators and teachers find, book, and manage substitute teachers—fast. Inspired by the convenience of ride-sharing apps, SubSpark brings modern tech to the education sector so schools never have to scramble for coverage again. Key Features: -Fast, Easy Booking: Find and request subs in just a few taps—no phone tag, no spreadsheets, no sticky notes. -Preferred Sub List: Build and manage your own internal network of trusted subs for continuity and peace of mind. -All-in-One Admin Dashboard (Desktop Only): School leaders can manage users, track teacher absences, and job status. -Clean, Intuitive Design: Built for busy educators with a user-friendly interface that makes sense from the start. Whether you’re in the classroom or the front office, SubSpark takes the hassle out of sub scheduling. Download now and take the chaos out of coverage.

Screenshots

Red Rover K124 screens
SubSpark4 screens

Verdict

The call

The clearest difference is review sentiment: SubSpark at 100% against Red Rover K12's 61%. SubSpark also leads on update cadence (every 4 days vs monthly) and rating (5.0 vs 4.7). Red Rover K12's advantage is ratings volume (43K vs 8) and chart position (#140 vs unranked). 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

SubSpark holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Red Rover K12 has 43K ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 61% of Red Rover K12's written reviews are positive against 100% of SubSpark's.

UpkeepUpdate frequency

Red Rover K12 ships an update monthly, SubSpark every 4 days. The most recent releases landed on September 25, 2026 and September 9, 2026 respectively.

Scorecard5 real differences · 6 level
Red Rover K12 versus SubSpark: the parameters behind the verdict, then further details
ParameterRed Rover K12SubSpark
PriceFreeFree
Rating4.7 (43K ratings)5.0 (8 ratings) — better
Positive reviews60.6% of reviews100.0% of reviews — better
Number of ratings43K — better8
Update frequencyMonthlyEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank#140 — better—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size55 MB33 MB
Age rating4+17+
DeveloperRed Rover Technologies, LLCSubSpark, LLC

Customer experience

Red Rover K12

All ratings43,324 ratings
Positive92.3%
Neutral2.9%
Negative4.7%
Written reviews559 reviews
Positive60.6%
Neutral6.3%
Negative33.1%

SubSpark

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Red Rover K12

Reported bugs

4 issues
  • Login issues on certain devices
  • Keyboard not hiding properly
  • Inconsistent behavior when entering absences
  • Syncing problems between app and website

Requested features

5 requests
  • Calendar view of available jobs
  • Improved notification settings
  • Ability to see job details before accepting
  • Support for tablets and larger screens
  • Two-way communication with teachers

SubSpark

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Red Rover K12

No in-app purchases

None

SubSpark

No in-app purchases

Questions

Is Red Rover K12 free?
Red Rover K12 is free to download, with no in-app purchases.
Is SubSpark free?
SubSpark is free to download, with no in-app purchases.
Which has better reviews, Red Rover K12 or SubSpark?
SubSpark is rated higher. Red Rover K12 averages 4.7 out of 5 from 43K ratings, while SubSpark averages 5.0 from 8 ratings.
Do Red Rover K12 or SubSpark have ads?
Neither Red Rover K12 nor SubSpark shows ads.
Which is updated more often, Red Rover K12 or SubSpark?
Red Rover K12 ships an update monthly, and SubSpark every 4 days. Most recently, Red Rover K12 was updated on September 25, 2026 and SubSpark on September 9, 2026.

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