# Estro vs Build Naturally

Estro and Build Naturally are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Estro sells 1 in-app purchase, starting at $250.00 per month and Build Naturally sells 1 in-app purchase, starting at $16.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 27, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Estro | Build Naturally |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/build-naturally/id6756908642/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Subscription |
| Size | 51 MB | 57 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Estro-Physiques Pty Ltd](https://appshunter.io/developer/1718572505) | [Kemet Okara](https://appshunter.io/developer/1863608764) |

## What reviewers say

### Estro

[App page](https://appshunter.io/ios/app/estro-physiques/id6473187708)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coaching | $250.00 | per month |


### Build Naturally

[App page](https://appshunter.io/ios/app/build-naturally/id6756908642)

This comprehensive fitness and nutrition system offers structured workouts, personalized meal guidance, and progress tracking. It helps users build muscle, burn fat, and develop sustainable habits with direct coaching support. Access includes cookbooks and supplement advice for a holistic approach to well-being.

**Highlights:** Structured workout programs with video demonstrations, Hand-based nutrition system with custom targets, Progress tracking with photo comparison, Direct in-app coaching and accountability, Evidence-based supplement guidance, Habit building system with reminders, Educational resources and video lessons

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Build Naturally App Access Plan | $16.99 | per month |


## Frequently asked questions

### Is Estro free?

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

### Is Build Naturally free?

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

### Do Estro or Build Naturally have ads?

Neither Estro nor Build Naturally shows ads.

### Which is updated more often, Estro or Build Naturally?

Estro ships an update every 2 months, and Build Naturally every 2 months. Most recently, Estro was updated on October 27, 2026 and Build Naturally on October 17, 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.*