# Gray Institute vs Attune Self

Gray Institute and Attune Self both sit at 5.0 stars, but that hides the real split: 100% of Attune Self's written reviews are positive against 0% of Gray Institute's. Attune Self also leads on update cadence (every 3 weeks vs every 2 months). Gray Institute's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 18.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Gray Institute sells 10 in-app purchases, starting at $0.49 per month and Attune Self sells 9 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Gray Institute against 5.0 for Attune Self. Both are backed by a comparable volume of ratings — 6 and 4 respectively. Written reviews are what separate them: 0% of Gray Institute's written reviews are positive against 100% of Attune Self's.

Gray Institute ships an update every 2 months, Attune Self every 3 weeks. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Gray Institute | Attune Self |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/gray-institute/id1130877074/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/attune-self/id6788522950/reviews) |
| Number of ratings | **6** | 4 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 70 MB | 11 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Dynamic Health & Fitness, LLC](https://appshunter.io/developer/655559506) | [Olivia Klawonn](https://appshunter.io/developer/6788522952) |

## What reviewers say

### Gray Institute

[App page](https://appshunter.io/ios/app/gray-institute/id1130877074)

This app helps movement professionals assess clients, design custom workouts, and track progress using functional science. It integrates with a client-facing app to set habits and access educational resources for continuous, measurable client improvement.

**Highlights:** 3DMAPS® Screening Tool, Relative Success Code analysis, Extensive exercise library, Pre-built workout templates, Client progress tracking, Integration with Vitality app

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Plan | $0.49 | per month |
| Movement Professional Locator | $4.99 | per month |
| Individual Subscription Plan | $9.99 | per month |
| Templates | $9.99 | per month |
| Webinars | $9.99 | per month |
| Family Subscription Plan | $14.99 | per month |
| Unlimited Clients | $14.99 | per month |
| Trainer Plus All Access | $19.99 | per month |
| Trainer Plus | $24.99 | per month |
| Trainer Plus | $149.99 | per year |


### Attune Self

[App page](https://appshunter.io/ios/app/attune-self/id6788522950)

This app offers a personalized emotional check-in experience that adapts to your current feelings. It provides tools for reflection, guided practices, and pattern analysis, all designed to be gentle and non-judgmental. Your data remains private and on your device.

**Highlights:** Personalized emotional check-ins, Guided journaling and reflection, Tailored breathing and grounding practices, Analysis of emotional patterns, Gentle, non-judgmental feedback, On-device data privacy

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Circle - Monthly | $4.99 | per month |
| Circle - Yearly | $39.99 | per year |
| Donation $1 | $0.99 | one-time |
| Donation $5 | $4.99 | one-time |
| Donation $10 | $9.99 | one-time |
| Donation $25 | $24.99 | one-time |
| Donation $50 | $49.99 | one-time |
| Donation $100 | $99.99 | one-time |
| Circle - Lifetime | $199.99 | one-time |


## Frequently asked questions

### Is Gray Institute free?

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

### Is Attune Self free?

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

### Which has better reviews, Gray Institute or Attune Self?

Gray Institute and Attune Self are both rated 5.0 out of 5 on the App Store, from 6 and 4 ratings respectively.

### Do Gray Institute or Attune Self have ads?

Neither Gray Institute nor Attune Self shows ads.

### Which is updated more often, Gray Institute or Attune Self?

Gray Institute ships an update every 2 months, and Attune Self every 3 weeks. Most recently, Gray Institute was updated on November 2, 2026 and Attune Self 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.*