# Reserve vs why?

The clearest difference is iOS requirement: Reserve at 15.1 against why?'s 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Reserve sells 2 in-app purchases, starting at $9.99 per month and why? sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Reserve ships an update weekly, why? every 5 days. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Reserve | why? |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/reserve-energy-coach/id6775685136/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Freemium | — |
| Size | 43 MB | 9 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [SolveFor, LLC](https://appshunter.io/developer/6775685138) | [Comma Labs](https://appshunter.io/developer/1882050945) |

## What reviewers say

### Reserve

[App page](https://appshunter.io/ios/app/reserve-energy-coach/id6775685136)

This app provides daily personalized coaching based on your sleep, HRV, and resting heart rate. It offers actionable insights, goal setting, and reflection tools to help you manage your energy and live with purpose. Your data remains private and on your device.

**Highlights:** Daily coaching notes, AI-powered coach chat, Audio Mode for hands-free interaction, Life Wheel for goal setting, Daily task management, Evening wind-down and reflection, Weekly review and refocus

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reserve Pro Monthly | $9.99 | per month |
| Reserve Pro Annual | $79.99 | per year |


### why?

[App page](https://appshunter.io/ios/app/why-screen-time-control/id6802287404)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $9.99 | per year |
| Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Reserve free?

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

### Is why? free?

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

### Do Reserve or why? have ads?

Neither Reserve nor why? shows ads.

### Which is updated more often, Reserve or why??

Reserve ships an update weekly, and why? every 5 days. Most recently, Reserve was updated on October 8, 2026 and why? on October 11, 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.*