# Angle Finder vs Slabfy Grader

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.

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.

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.

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.

## The numbers

| Metric | Angle Finder | Slabfy Grader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (174 ratings)](https://appshunter.io/ios/app/angle-finder-level-tool/id6746951324/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/slabfy-grader/id6808381450/reviews)** |
| Number of ratings | **174** | 2 |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 75 MB | 28 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [OneRack](https://appshunter.io/developer/1792950973) | [Slabfy, Inc.](https://appshunter.io/developer/6773179692) |

## What reviewers say

### Angle Finder

[App page](https://appshunter.io/ios/app/angle-finder-level-tool/id6746951324)

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:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Angle Finder Pro – Weekly | $7.99 | per 7 days |
| Angle Finder Pro: Lifetime Discount | $19.99 | one-time |
| Angle Finder Pro – Lifetime | $29.99 | one-time |


### Slabfy Grader

[App page](https://appshunter.io/ios/app/slabfy-grader/id6808381450)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grader Pro Monthly | $39.99 | per month |
| Grader Collector Yearly | $149.99 | per year |
| Pro - 1 DeepScan | $1.49 | one-time |
| Collector - 1 DeepScan | $1.79 | one-time |
| Pro - 25 Quick Scans | $3.99 | one-time |
| Collector - 25 Quick Scans | $4.49 | one-time |
| 25 Quick Scans | $4.99 | one-time |
| Pro - 5 DeepScans | $6.99 | one-time |
| Collector - 5 DeepScans | $7.99 | one-time |
| 5 DeepScans | $8.99 | one-time |


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*