# Grinds vs Protocol

Grinds and Protocol 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. Grinds sells 2 in-app purchases, starting at $0.99 per month and Protocol sells 5 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

Grinds ships an update fortnightly, Protocol every 2 weeks. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Grinds | Protocol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (53 ratings)](https://appshunter.io/ios/app/protocol-health-and-longevity/id6748813085/reviews)** |
| Number of ratings | — | **53** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 51 MB | 108 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [KyeongRyeol Kim](https://appshunter.io/developer/1727886401) | [Brainstash, Inc](https://appshunter.io/developer/1445023294) |

## What reviewers say

### Grinds

[App page](https://appshunter.io/ios/app/grinds/id6748243572)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Course Premium Monthly | $0.99 | per month |
| Yearly Premium | $4.99 | per year |


### Protocol

[App page](https://appshunter.io/ios/app/protocol-health-and-longevity/id6748813085)

Build sustainable, science-backed habits for a longer, healthier life. This app offers personalized recommendations for sleep, nutrition, movement, and mental well-being, focusing on small, consistent actions that compound over time. Track your progress and join a community for support on your longevity journey.

**Highlights:** Science-backed longevity protocols, Personalized habit recommendations, Micro-habit building, Progress tracking, Community insights, Longevity toolkit

**Features:** Apple Wallet

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly Subscription | $12.99 | per month |
| Pro 3 Months Subscription | $24.99 | per 3 months |
| Pro Yearly Subscription | $89.99 | per year |
| Pro Yearly Subscription | $89.99 | per year |
| Pro Yearly Subscription | $99.99 | per year |


## Frequently asked questions

### Is Grinds free?

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

### Is Protocol free?

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

### Do Grinds or Protocol have ads?

Neither Grinds nor Protocol shows ads.

### Which is updated more often, Grinds or Protocol?

Grinds ships an update fortnightly, and Protocol every 2 weeks. Most recently, Grinds was updated on October 6, 2026 and Protocol on October 24, 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.*