# Formulate vs PROTOGEN Band

The clearest difference is in-app purchases: PROTOGEN Band at none against Formulate's 4. PROTOGEN Band also leads on update cadence (every 4 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Formulate sells 4 in-app purchases, starting at $12.99 per month. PROTOGEN Band asks for nothing beyond the download.

Formulate ships an update every 3 weeks, PROTOGEN Band every 4 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Formulate | PROTOGEN Band |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | — | Free |
| Size | 87 MB | 43 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Jesse Guevara](https://appshunter.io/developer/6783192991) | [Protogen, Inc](https://appshunter.io/developer/6776267662) |

## What reviewers say

### Formulate

[App page](https://appshunter.io/ios/app/formulate-longevity-tracker/id6783192989)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Formulate+ Monthly | $12.99 | per month |
| Formulate++ Monthly | $12.99 | per month |
| Formulate+ Yearly | $89.99 | per year |
| Formulate++ Yearly | $119.99 | per year |


### PROTOGEN Band

[App page](https://appshunter.io/ios/app/protogen-band/id6799883714)

Transform your health and fitness into an engaging game. Connect your wearable to track sleep, activity, and recovery through daily quests and motivational companions. Progress is tracked via Apple Health for a fun, gamified wellness journey.

**Highlights:** Gamified health routine, Wearable device connection, Sleep, Activity, and Recovery goals, Daily quests, Companion system for motivation, Apple Health integration

**In-app purchases:** none


## Frequently asked questions

### Is Formulate free?

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

### Is PROTOGEN Band free?

PROTOGEN Band is free to download, with no in-app purchases.

### Do Formulate or PROTOGEN Band have ads?

Neither Formulate nor PROTOGEN Band shows ads.

### Which is updated more often, Formulate or PROTOGEN Band?

Formulate ships an update every 3 weeks, and PROTOGEN Band every 4 days. Most recently, Formulate was updated on October 25, 2026 and PROTOGEN Band 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.*