Comparison

ZipGrade vs Raptor Alert

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

Head to head
About

ZipGrade

Instantly grade multiple-choice tests and quizzes using your device's camera. This app offers a fast and accurate way for educators to assess student work, with features for organizing and exporting results. It provides immediate feedback to inform lesson planning and assignments.

Highlights
  • Instant grading with device camera
  • Supports multiple choice tests and quizzes
  • Organizes and exports results (PDF, Excel)
  • Free answer sheet templates available
  • Companion website for data management
  • Stores results by student, subject, and quiz
Features
Read full description

Teachers can grade multiple choice tests, quizzes, and assessments instantly in the classroom by using their iPhone or iPad's camera as a scanner. It is the most cost effective, fastest, and most accurate way to grade tests in the classroom or where ever you are. -------------------------------------------------------- * Free answer sheets available in several formats and sizes up to 100 questions (including custom form wizard) * Organizes results for reporting and exporting via PDF and Excel-readable format * Uses student ID numbers or written name of student for reporting. * Use companion website (www.zipgrade.com) to manage your data and upload student lists and review results in dozens of reports and exports. -------------------------------------------------------- Use for exit tickets, formative assessments, or regular quizzes. Stores results by students, subject, and quiz. By giving teachers the flexibility to grade papers instantly anywhere, ZipGrade provides immediate feedback on current knowledge and can be used to better focus lessons and assignments. Download ZipGrade free with access to all features and website, but limited to 100 scans per month. After you've used it for a class or two, use the in-app purchase a non-recurring subscription with unlimited scanning.

About

Raptor Alert

This app enhances school safety by providing a silent panic alert system, streamlining emergency response, and facilitating student reunification. It integrates with existing security systems and student information systems for real-time accountability and drill management.

Highlights
  • Silent panic alert system
  • Expedited emergency response
  • Bi-directional security system integration
  • Mandated drill compliance and tracking
  • Real-time student and staff accountability
  • Patented student reunification workflow
Features
Currently charting
Read full description

The Raptor® Alert mobile app is used with Raptor Technologies® newest emergency management solutions – Raptor Alert™, Raptor Reunification®, Raptor Accountability™ and Raptor Drill Manager®. Those who purchased Raptor Alert individually or with other Raptor Emergency Management solutions – should download this new Raptor Alert mobile app. Speak with your system administrator or Raptor support if you have questions. Raptor Emergency Management solutions include: RAPTOR ALERT™: Designed to work under duress, Raptor Alert is a silent panic alert system that works on the devices your schools use every day. Raptor Alert expedites and streamlines emergency response by allowing users to initiate an emergency alert directly through 911 and provide critical information to first responders, law enforcement and campus personnel. RAPTOR CONNECT™: Raptor Connect enables native, bi-directional integration with a school’s existing digital security systems and peripherals. It streamlines a school’s digital emergency response activations, speeding notifications and minimizing the impact of the situation. RAPTOR DRILL MANAGER®: Raptor Drill Manager gives you the power to prepare your schools for any situation. Simplify federal and state-mandated drill compliance and management by scheduling, initiating, logging and tracking drills from any smart device. District-level and school-level reports show drill status and crucial insights to help schools improve with each drill. RAPTOR ACCOUNTABILITY™: Connected with your student information system, Raptor enables teachers and staff to account for themselves, students and visitors directly in the mobile app while providing real-time status and location information. RAPTOR REUNIFICATION®: Recovery starts when the crisis begins. Minimizing trauma is directly correlated to safe, efficient reunification. Raptor Reunification software includes a patented reunification workflow and is aligned with and officially licensed by The “I Love U Guys” Foundation®. With Raptor, your reunification team can quickly confirm the location and status of each student and staff member in the mobile app. Connected to your student information system, Raptor helps ensure students are reunified only with approved guardians. Raptor Reunification includes Student Reunification®, Parent Reunification®, Guardian Reunification® and Family Reunification®. Transforming School Safety Through Software. Founded in 2002, Raptor Technologies has partnered with over 60,000 schools globally, including over 7,300 K-12 US school districts. Our team of safety software experts and our suite of industry-leading solutions provide schools with confidence in their safety and student wellbeing programs so they can focus on teaching. Driven by our shared mission to protect every child, every school, every day™, Raptor helps customers mitigate risks—from prevention and preparedness to reunifying families.

Screenshots

ZipGrade3 screens
Raptor Alert4 screens

Verdict

The call

The clearest difference is review sentiment: ZipGrade at 86% against Raptor Alert's 17%. ZipGrade also leads on rating (4.9 vs 2.6) and ratings volume (37K vs 180). Raptor Alert's advantage is in-app purchases (none vs 1) and chart position (#177 vs unranked). On price, update cadence, ads and device support 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. ZipGrade sells 1 one-off in-app purchase. Raptor Alert asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ZipGrade holds the better App Store score, 4.9 against 2.6. That said, the two scores are not equally well evidenced: ZipGrade has 37K ratings behind it against 180, so its average is the more settled of the two. Written reviews point the same way: 86% of ZipGrade's written reviews are positive against 17% of Raptor Alert's.

UpkeepUpdate frequency

ZipGrade ships an update every 6 weeks, Raptor Alert every 3 weeks. The most recent releases landed on October 23, 2026 and October 20, 2026 respectively.

Scorecard6 real differences · 5 level
ZipGrade versus Raptor Alert: the parameters behind the verdict, then further details
ParameterZipGradeRaptor Alert
PriceFreeFree
Rating4.9 (37K ratings) — better2.6 (180 ratings)
Positive reviews85.9% of reviews — better17.1% of reviews
Number of ratings37K — better180
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
Best chart rank—#177 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.2 — better
Further details — not scored
Size30 MB209 MB
Age rating4+4+
DeveloperZipGrade LLCRaptor Technologies, LLC

Customer experience

ZipGrade

All ratings36,274 ratings
Positive98.3%
Neutral0.9%
Negative0.9%
Written reviews509 reviews
Positive85.9%
Neutral3.1%
Negative11.0%

Raptor Alert

All ratings178 ratings
Positive35.4%
Neutral6.2%
Negative58.4%
Written reviews35 reviews
Positive17.1%
Neutral0.0%
Negative82.9%

User reviews

ZipGrade

From 37K App Store ratings

What we love

  • 🚀 Efficient grading
  • 👍 Instant feedback for students
  • 📊 Detailed data analysis
  • 💰 Affordable subscription
  • ⏱️ Time-saving

Room to improve

  • 🐛 Inconsistent scanning issues
  • 🔍 Difficulty navigating interface
  • 🔢 Lack of class/student grouping options
  • 🖼️ Poor image quality for student names

Raptor Alert

From 180 App Store ratings

What we love

  • 👍 Better than Navigate Prepared (lowstringc)
  • 👍 Amazing app for internal communication (powerhouse231)

Room to improve

  • 👎 Poorly designed roster system
  • 👎 Bulky UI
  • 👎 Bad return on questions
  • 👎 Inconsistent performance
  • 👎 Not reliable or credible

Bugs and requests

ZipGrade

Reported bugs

2 issues
  • Scanning issues with flat surface detection
  • Incorrect answer marking due to eraser marks

Requested features

4 requests
  • Ability to change question point values in bulk
  • Option to create/edit answer keys on website
  • Support for non-multiple choice question types
  • Improved data export/integration with other systems

Raptor Alert

Reported bugs

31 issues
  • Roster system is poorly designed
  • UI is bulky
  • Return on questions by Raptor is bad
  • Extremely inconsistent
  • Doesn't work for half of the faculty and staff
Show 26 more
  • Not reliable or credible
  • Cannot disable 2 factor
  • Has not once sounded the alarm on phone during drills
  • Won't let me sign up
  • Alarm sound is too intense
  • Has never worked
  • Top bar for toggling schools and settings button not working
  • Cannot get campuses which don't apply removed
  • App is cumbersome to use
  • Hard to find rosters
  • Cannot remove personal phone number
  • Doesn't always alert or work
  • Cannot stop getting alerts even after removing app
  • Don't get alerts, only text and email
  • Phone going off constantly with drills/incidents
  • Cannot keep 'foghorn' from going off without removing app
  • App is not intuitive or quick
  • Takes at least 10 button clicks to get to roster
  • Won't let me log in
  • Most people tied to another school and support can't remove
  • Regularly get loud and disruptive alerts for wrong building
  • Will not let me login
  • Try to log in and get redirected back to same log in screen
  • Cannot successfully make it through the log in process
  • Couldn't even log in at all
  • Test alerts going off constantly since signing up

Requested features

6 requests
  • District should pay for personal phone use for 2FA
  • Better way to notify than personal phones
  • Require phone use on school devices like iPads
  • Remove ability to disable notification sound
  • Improve UI/UX for speed and intuitiveness
Show 1 more
  • Provide training on app usage

In-app purchases

1 purchases

ZipGrade

One-time1
  • Add 1 year of use$6.99
None

Raptor Alert

No in-app purchases

Questions

Is ZipGrade free?
ZipGrade is free to download, with in-app purchases available.
Is Raptor Alert free?
Raptor Alert is free to download, with no in-app purchases.
Which has better reviews, ZipGrade or Raptor Alert?
ZipGrade is rated higher. ZipGrade averages 4.9 out of 5 from 37K ratings, while Raptor Alert averages 2.6 from 180 ratings.
Do ZipGrade or Raptor Alert have ads?
Neither ZipGrade nor Raptor Alert shows ads.
Which is updated more often, ZipGrade or Raptor Alert?
ZipGrade ships an update every 6 weeks, and Raptor Alert every 3 weeks. Most recently, ZipGrade was updated on October 23, 2026 and Raptor Alert on October 20, 2026.

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