Comparison

Angle Finder vs Slabfy Grader

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

Head to head
About

Angle Finder

This utility app measures angles, checks surface flatness, and provides real-size measurements using your phone's sensors. It's ideal for home improvement, DIY projects, and educational purposes, offering accurate results offline with an intuitive interface.

Highlights
  • Real-time angle measurement
  • Surface flatness check
  • On-screen ruler for real-size measurements
  • Metric and imperial units
  • Offline functionality
  • Intuitive interface
Features
Read full description

Angle Finder is the ultimate level tool for measuring angles, checking surface flatness, and taking real-size measurements—all from your phone. Whether you're working on home improvement, DIY projects, or need quick leveling anywhere, Angle Finder delivers fast, accurate results without extra equipment. Key Features • Measure angles with real-time sensor precision • Check surface flatness (horizontal and vertical) • Use the on-screen ruler for real-size measurements • Both metric (cm) and imperial (feet/inch) units • Fully offline, no internet connection required • Clean, intuitive interface with live feedback Why Angle Finder -Lightweight and fast with no unnecessary extras -Works great for DIY, carpentry, and home projects -Helpful for geometry, trigonometry, and math learning -Designed for accuracy with minimal setup -A modern level tool that’s simple yet powerful Built for DIYers, students, math enthusiasts, and anyone who values accuracy, Angle Finder removes the need for bulky tools or guesswork. It combines simplicity with precision, making it the go-to solution for leveling tasks at home, in the workshop, or out in the field. From hanging shelves perfectly straight to aligning furniture or verifying slope angles, Angle Finder gives you the accuracy you need in seconds. No more trial and error—just open the app and get precise measurements instantly. Angle Finder is the smart level tool you can rely on for quick, accurate results. Whether you're checking angles, leveling surfaces, or estimating real-world lengths, it empowers you to work with confidence, right from your phone. Privacy policy: https://www.onerack.nl/apps/cat-translator/privacy-policy Terms of service: https://www.onerack.nl/apps/cat-translator/terms-and-conditions

About

Slabfy Grader

Estimate the condition of your trading cards before professional grading. Utilize AI-powered scans and optional human expert reviews to get detailed reports and insights. Keep your cards with you throughout the process.

Highlights
  • AI grade estimates
  • Guided photo capture (DeepScan)
  • Front-and-back quick scans
  • Expert human grader reviews
  • Detailed condition reports
  • Saved photo library
Read full description

Get a closer look before you send your card for grading. Start with a front-and-back Quick Scan, or capture 18 guided photos with DeepScan. Each report gives you a Slabfy AI grade estimate and the saved evidence behind it. Your card stays with you. START WITH 3 FREE QUICK SCANS Sign in with Apple or verified email, then verify one mobile number to claim three Quick Scans each month. Each phone can claim one free allowance. You can skip verification and choose a paid plan or one-time scans instead. SEE WHAT GOES INTO THE ESTIMATE Quick Scan is a limited front-and-back look. DeepScan guides you through both faces, all eight corners, and left, right, top, and bottom tilts on each side. Open your report to explore condition categories, findings, and photos. Photo quality affects what can be assessed. CHOOSE YOUR GRADING PACE Free includes 3 Quick Scans each month after phone verification. Collector includes 100 Quick Scans and 2 DeepScans each month. Pro includes 300 Quick Scans and 4 DeepScans each month. Choose monthly or yearly billing. Yearly plans are paid upfront, with scan allowances refreshing monthly. Unused monthly allowances do not roll over. Prefer no subscription, or need extra scans? Buy 25 Quick Scans, 1 DeepScan, or 5 DeepScans. Purchased scans never expire. Active Collector and Pro members see their plan's discounted pack prices. Every App Store price and renewal term appears before purchase. ADD AN EXPERT GRADE Want a person's eye on your card? Expert Grade adds one, two, or three human graders for a nuanced read. They study your DeepScan photos and short silent videos, then publish their grades in your report beside the Slabfy AI estimate. Each Expert Grade is a one-time purchase and includes the DeepScan for that card. PICK UP WHERE YOU LEFT OFF Saved photos stay recoverable if an upload pauses. Reopen your Library to continue. Restore purchases and manage subscriptions from Account. Slabfy AI grade estimates and Expert Grades are not official PSA, BGS, SGC, or CGC grades. Slabfy Grader does not authenticate or encapsulate cards. It is a standalone condition-review app, separate from the Slabfy marketplace. Subscriptions renew automatically unless canceled in your Apple Account settings. Privacy: https://slabfy.com/grader/privacy Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Angle Finder4 screens
Slabfy Grader4 screens

Verdict

The call

The clearest difference is ratings volume: Angle Finder at 174 against Slabfy Grader's 2. Slabfy Grader's advantage is rating (5.0 vs 4.7) and update cadence (weekly vs every 3 weeks). 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. Angle Finder sells 3 in-app purchases, starting at $7.99 per 7 days and Slabfy Grader sells 10 in-app purchases, starting at $39.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Slabfy Grader holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Angle Finder has 174 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Angle Finder ships an update every 3 weeks, Slabfy Grader weekly. The most recent releases landed on November 12, 2026 and November 10, 2026 respectively.

Scorecard3 real differences · 7 level
Angle Finder versus Slabfy Grader: the parameters behind the verdict, then further details
ParameterAngle FinderSlabfy Grader
PriceFreeFree
Rating4.7 (174 ratings)5.0 (2 ratings) — better
Positive reviews28.6% of reviews—
Number of ratings174 — better2
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS16.4 — better17.0
Further details — not scored
Size75 MB28 MB
Age rating4+4+
DeveloperOneRackSlabfy, Inc.

Customer experience

Angle Finder

All ratings172 ratings
Positive93.6%
Neutral3.5%
Negative2.9%
Written reviews7 reviews
Positive28.6%
Neutral28.6%
Negative42.9%

Slabfy Grader

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Angle Finder

Subscriptions1
  • Angle Finder Pro – Weekly3 Days trial$7.997 Days
One-time2
  • Angle Finder Pro: Lifetime Discount$19.99
  • Angle Finder Pro – Lifetime$29.99
10 purchases

Slabfy Grader

Subscriptions2
  • Grader Pro Monthly$39.991 Month
  • Grader Collector Yearly$149.991 Year
One-time8
  • Pro - 1 DeepScan$1.49
  • Collector - 1 DeepScan$1.79
  • Pro - 25 Quick Scans$3.99
Show 5 more
  • Collector - 25 Quick Scans$4.49
  • 25 Quick Scans$4.99
  • Pro - 5 DeepScans$6.99
  • Collector - 5 DeepScans$7.99
  • 5 DeepScans$8.99

Questions

Is Angle Finder free?
Angle Finder is free to download, with in-app purchases available.
Is Slabfy Grader free?
Slabfy Grader is free to download, with in-app purchases available.
Which has better reviews, Angle Finder or Slabfy Grader?
Slabfy Grader is rated higher. Angle Finder averages 4.7 out of 5 from 174 ratings, while Slabfy Grader averages 5.0 from 2 ratings.
Do Angle Finder or Slabfy Grader have ads?
Neither Angle Finder nor Slabfy Grader shows ads.
Which is updated more often, Angle Finder or Slabfy Grader?
Angle Finder ships an update every 3 weeks, and Slabfy Grader weekly. Most recently, Angle Finder was updated on November 12, 2026 and Slabfy Grader on November 10, 2026.

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