Comparison

ZipGrade vs RockVault AR

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

RockVault AR

Read full description

RockVault AR turns your iPhone into a pocket geology lab. Point your camera at any rock, mineral, or gemstone, get an instant AI-powered identification, place your specimen in augmented reality, and save it to your personal collection. INSTANT IDENTIFICATION • Scan any rock, mineral, or gemstone and get a match in seconds • Every result includes an AI confidence score • See its common and scientific name, category, Mohs hardness, luster, and color • Read a written description of the specimen and its notable properties AUGMENTED REALITY VIEWER • Place your identified specimen in AR on any real surface, with on-screen guidance to help you find one • View an info panel of the specimen's key properties right beside it • Spin the specimen with a turntable view for a closer look from every angle • Capture an AR snapshot to save to your Photos or share • On LiDAR-equipped iPhones, specimens are realistically hidden behind real-world objects (Premium) YOUR PERSONAL VAULT • Save every identified specimen to your growing collection • Add personal notes and custom tags • Browse your collection in a grid and tap any specimen for full details • Filter by category and search by name, color, or tag • Mark favorites for quick access CLOUD SYNC (PREMIUM) • Your specimen records sync across your devices when you're signed in • Works offline — your collection is always available, even without a connection • Note: scan photos are stored locally on each device in this version PREMIUM GEOLOGY TOOLS Upgrade to RockVault AR Premium for the full experience: • Unlimited scans with no daily cap • Cross-device cloud sync of your collection • LiDAR occlusion in the AR viewer on supported iPhones • Priority access to new mineral species as they're added • No third-party ads — your rocks, your data BUILT FOR COLLECTORS Designed for geologists, rockhounds, lapidary artists, educators, and collectors who want fast field notes and organized records. Identifications are AI-assisted and should be verified by a qualified expert for valuable, rare, or safety-critical specimens. PRIVACY FIRST Your specimens stay yours — no ads, no data brokers, no selling your collection. Sign in with Apple for instant, privacy-preserving authentication, or start as a guest with no account required. ——— RockVault AR Premium is available as a monthly subscription, an annual subscription, or a one-time Lifetime unlock. Pricing is shown in the app and matches your local App Store. Subscription payment is charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Manage or cancel subscriptions in your Apple ID Account Settings at any time. The Lifetime unlock is a one-time purchase that does not auto-renew. Privacy Policy: https://rodelrepulle.github.io/rockvaultar-site/privacy/ Terms of Use: https://rodelrepulle.github.io/rockvaultar-site/terms/

Screenshots

ZipGrade3 screens
RockVault AR4 screens

Verdict

The call

The clearest difference is update cadence: RockVault AR at every 2 weeks against ZipGrade's every 6 weeks. ZipGrade's advantage is iOS requirement (13.0 vs 18.0). On price, ads, in-app purchases 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 and RockVault AR sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

ZipGrade ships an update every 6 weeks, RockVault AR every 2 weeks. The most recent releases landed on October 19, 2026 and October 14, 2026 respectively.

Scorecard2 real differences · 8 level
ZipGrade versus RockVault AR: the parameters behind the verdict, then further details
ParameterZipGradeRockVault AR
PriceFreeFree
Rating4.9 (36K ratings) — better—
Positive reviews86.0% of reviews—
Number of ratings36K — better—
Update frequencyEvery 6 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better18.0
Further details — not scored
Size30 MB32 MB
Age rating4+4+
DeveloperZipGrade LLCRodel Repulle

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

RockVault AR

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

ZipGrade

One-time1
  • Add 1 year of use$6.99
2 purchases

RockVault AR

Subscriptions2
  • Premium Weekly$1.997 Days
  • Premium Monthly$6.991 Month

Questions

Is ZipGrade free?
ZipGrade is free to download, with in-app purchases available.
Is RockVault AR free?
RockVault AR is free to download, with in-app purchases available.
Do ZipGrade or RockVault AR have ads?
Neither ZipGrade nor RockVault AR shows ads.
Which is updated more often, ZipGrade or RockVault AR?
ZipGrade ships an update every 6 weeks, and RockVault AR every 2 weeks. Most recently, ZipGrade was updated on October 19, 2026 and RockVault AR on October 14, 2026.

Other comparisons