# TheoryGolf vs DECADE

The clearest difference is update cadence: TheoryGolf at weekly against DECADE's every 2 months. DECADE's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.2). On price, ads and in-app purchases there is nothing between them.

Both are free to download. TheoryGolf sells 2 in-app purchases, starting at $9.99 per month and DECADE sells 1 in-app purchase, starting at $89.99 per 6 months. Whichever you choose, the download price is not the number that matters.

TheoryGolf ships an update weekly, DECADE every 2 months. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | TheoryGolf | DECADE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/theorygolf/id6759817330/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Freemium | — |
| Size | 132 MB | 63 MB |
| Requires iOS | 17.2 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Adam Black](https://appshunter.io/developer/1880819697) | [BirdieFire LLC](https://appshunter.io/developer/1062035946) |

## What reviewers say

### 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 |


### DECADE

[App page](https://appshunter.io/ios/app/decade-breaking-90/id6783983841)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Breaking 90 | $89.99 | per 6 months |


## Frequently asked questions

### Is TheoryGolf free?

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

### Is DECADE free?

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

### Do TheoryGolf or DECADE have ads?

Neither TheoryGolf nor DECADE shows ads.

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

TheoryGolf ships an update weekly, and DECADE every 2 months. Most recently, TheoryGolf was updated on October 14, 2026 and DECADE on October 16, 2026.

---

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