# DECADE for Instructors vs TheoryGolf

The clearest difference is in-app purchases: DECADE for Instructors at none against TheoryGolf's 2. DECADE for Instructors also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.2). TheoryGolf's advantage is update cadence (weekly vs monthly). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. TheoryGolf sells 2 in-app purchases, starting at $9.99 per month. DECADE for Instructors asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.2 for DECADE for Instructors against 4.3 for TheoryGolf. Both are backed by a comparable volume of ratings — 6 and 6 respectively.

DECADE for Instructors ships an update monthly, TheoryGolf weekly. The most recent releases landed on September 19, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | DECADE for Instructors | TheoryGolf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (6 ratings)](https://appshunter.io/ios/app/decade-for-instructors/id1233325922/reviews) | **[4.3 (6 ratings)](https://appshunter.io/ios/app/theorygolf/id6759817330/reviews)** |
| Number of ratings | 6 | 6 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 12 MB | 131 MB |
| Requires iOS | **13.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BirdieFire LLC](https://appshunter.io/developer/1062035946) | [Adam Black](https://appshunter.io/developer/1880819697) |

## What reviewers say

### DECADE for Instructors

[App page](https://appshunter.io/ios/app/decade-for-instructors/id1233325922)

This app provides instructors with the DECADE strategy for golf, focusing on course management and statistical profiling. Learn from top players and gain access to weekly video content to improve student performance by reducing lost strokes.

**Highlights:** DECADE strategy access, Tour level course management, Statistical profiling, Weekly video content, Improve student performance

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

**In-app purchases:** none


### TheoryGolf

[App page](https://appshunter.io/ios/app/theorygolf/id6759817330)

This app analyzes your golf game using AI to identify areas for improvement, offering personalized insights and practice plans. It provides on-course GPS data and detailed post-round statistics to help you play smarter and get better faster.

**Highlights:** AI Caddie & Analyst, Strokes Gained Analytics, GPS Rangefinder, Personalized Practice Plans, Multi-Round Analysis, Multiplayer Rounds

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Theory Premium Monthly | $9.99 | per month |
| Theory Premium Annual | $79.99 | per year |


## Frequently asked questions

### Is DECADE for Instructors free?

DECADE for Instructors is free to download, with no in-app purchases.

### Is TheoryGolf free?

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

### Which has better reviews, DECADE for Instructors or TheoryGolf?

TheoryGolf is rated higher. DECADE for Instructors averages 4.2 out of 5 from 6 ratings, while TheoryGolf averages 4.3 from 6 ratings.

### Do DECADE for Instructors or TheoryGolf have ads?

Neither DECADE for Instructors nor TheoryGolf shows ads.

### Which is updated more often, DECADE for Instructors or TheoryGolf?

DECADE for Instructors ships an update monthly, and TheoryGolf weekly. Most recently, DECADE for Instructors was updated on September 19, 2026 and TheoryGolf on September 10, 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.*