# RÉSO vs iSmart

The clearest difference is iOS requirement: iSmart at 12.0 against RÉSO's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RÉSO ships an update every 6 months, iSmart every 10 months. The most recent releases landed on October 25, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | RÉSO | iSmart |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 10 months |
| Monetization | — | Free |
| Size | 4 MB | 11 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Quebec Studio](https://appshunter.io/developer/1443666473) | [CIUSSS Est-de-l'ile-de-Montreal](https://appshunter.io/developer/1501232459) |

## What reviewers say

### RÉSO

[App page](https://appshunter.io/ios/app/reso/id1443666474)

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

**In-app purchases:** none


### iSmart

[App page](https://appshunter.io/ios/app/ismart/id1501355791)

This app helps you understand and manage stress by tracking your levels, identifying chronic stressors, and offering scientifically-proven techniques to reduce your reactions. It provides personalized strategies to neutralize identified stressors, backed by research from the Center for Studies on Human Stress.

**Highlights:** Stress level tracking, Chronic stressor identification, Scientifically-proven stress reduction techniques, Personalized neutralization strategies, Detailed stress log, Research-backed insights

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RÉSO free?

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

### Is iSmart free?

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

### Do RÉSO or iSmart have ads?

Neither RÉSO nor iSmart shows ads.

### Which is updated more often, RÉSO or iSmart?

RÉSO ships an update every 6 months, and iSmart every 10 months. Most recently, RÉSO was updated on October 25, 2026 and iSmart on October 15, 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.*