# Slopegraide vs OPL 26

The clearest difference is in-app purchases: OPL 26 at none against Slopegraide's 5. OPL 26 also leads on ads (none vs shown). On price, update cadence, 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. OPL 26 asks for nothing beyond the download.

Slopegraide ships an update weekly, OPL 26 every 11 days. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Slopegraide | OPL 26 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (22 ratings)](https://appshunter.io/ios/app/slopegraide/id1494699416/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 11 days |
| Monetization | Free with in-app purchases | — |
| Size | 282 MB | 24 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeffrey David Golf, LLC](https://appshunter.io/developer/1455289334) | [FORCE POWER INFOTECH PRIVATE LIMITED](https://appshunter.io/developer/704108948) |

## 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 |


### OPL 26

[App page](https://appshunter.io/ios/app/opl-26/id6810971645)

**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 OPL 26 free?

OPL 26 is free to download, with no in-app purchases.

### Do Slopegraide or OPL 26 have ads?

Slopegraide shows ads; OPL 26 does not.

### Which is updated more often, Slopegraide or OPL 26?

Slopegraide ships an update weekly, and OPL 26 every 11 days. Most recently, Slopegraide was updated on October 24, 2026 and OPL 26 on October 31, 2026.

---

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