# Slopegraide vs OnePuttPro

The clearest difference is rating: OnePuttPro at 5.0 against Slopegraide's 4.2. OnePuttPro also leads on in-app purchases (none vs 5) and ads (none vs shown). Slopegraide's advantage is update cadence (weekly vs monthly) and ratings volume (20 vs 1). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Slopegraide sells 5 in-app purchases, starting at $9.99 per month. OnePuttPro asks for nothing beyond the download.

OnePuttPro holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Slopegraide has 20 ratings behind it against 1, so its average is the more settled of the two.

Slopegraide ships an update weekly, OnePuttPro monthly. The most recent releases landed on September 29, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Slopegraide | OnePuttPro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (20 ratings)](https://appshunter.io/ios/app/slopegraide/id1494699416/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/oneputtpro/id6756669073/reviews)** |
| Number of ratings | **20** | 1 |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 282 MB | 122 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Jeffrey David Golf, LLC](https://appshunter.io/developer/1455289334) | [OnePuttPro](https://appshunter.io/developer/1723318502) |

## What reviewers say

### Slopegraide

[App page](https://appshunter.io/ios/app/slopegraide/id1494699416)

Enhance your golf game with this 3D green reader and visual trainer. It uses physics and geometry to guide your aim and putt speed, eliminating the need for traditional green books. Improve your confidence and break through to better putting performance.

**Highlights:** 3D virtual ball rolling simulator in AR, Augmented reality slope measurements, Animated 3D putt and putting stroke models, Color-coded distance control charts, Recommended start lines and backstroke length, Customizable putting tempo

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Slopegraide Premium (1-Month) | $9.99 | per month |
| Slopegraide Premium (1 Year) | $99.99 | per year |
| Roll Maps (1 Month) | $9.99 | one-time |
| Roll Maps (1 Year) | $49.99 | one-time |
| Slopegraide Premium (Lifetime) | $299.99 | one-time |


### OnePuttPro

[App page](https://appshunter.io/ios/app/oneputtpro/id6756669073)

This app analyzes your putting stroke using a connected device, providing real-time feedback on key metrics. It offers tailored tips and progress tracking to help golfers improve consistency and lower their scores.

**Highlights:** Real-time putting stroke feedback, Detailed metric analysis (Loft, Tempo, Face Angle, etc.), Personalized tips and guidance, Progress tracking over time, Web-based dashboard for in-depth analysis, Indoor and outdoor practice versatility

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Slopegraide free?

Slopegraide is free to download, with in-app purchases available.

### Is OnePuttPro free?

OnePuttPro is free to download, with no in-app purchases.

### Which has better reviews, Slopegraide or OnePuttPro?

OnePuttPro is rated higher. Slopegraide averages 4.2 out of 5 from 20 ratings, while OnePuttPro averages 5.0 from 1 ratings.

### Do Slopegraide or OnePuttPro have ads?

Slopegraide shows ads; OnePuttPro does not.

### Which is updated more often, Slopegraide or OnePuttPro?

Slopegraide ships an update weekly, and OnePuttPro monthly. Most recently, Slopegraide was updated on September 29, 2026 and OnePuttPro on October 3, 2026.

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