# Recharge Science vs Chi Trainer

The clearest difference is in-app purchases: Chi Trainer at none against Recharge Science's 7. Chi Trainer also leads on ads (none vs shown) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. Recharge Science sells 7 in-app purchases, starting at $6.19 per month. Chi Trainer asks for nothing beyond the download.

## The numbers

| Metric | Recharge Science | Chi Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (48 ratings)](https://appshunter.io/ios/app/recharge-science-nsdr-reset/id6753728453/reviews)** | — |
| Number of ratings | **48** | — |
| Positive reviews | 90.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 282 MB | 20 MB |
| Requires iOS | 17.5 | **13.0.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Next Play Growth](https://appshunter.io/developer/1840703503) | [Chi Trainer LLC](https://appshunter.io/developer/1895032062) |

## What reviewers say

### Recharge Science

[App page](https://appshunter.io/ios/app/recharge-science-nsdr-reset/id6753728453)

Restore mental energy and enhance focus with guided audio sessions designed for deep rest. These short protocols help reset your brain, offering benefits similar to sleep while maintaining alertness. Improve productivity, creativity, and resilience for intense workdays.

**Highlights:** Deep rest voice-guided sessions, Restore mental energy, Improve focus and productivity, Enhance mental clarity and creativity, Reduce mental load, Build resilience

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Recharge Pro - Monthly | $6.19 | per month |
| Recharge Pro - Monthly | $12.49 | per month |
| Recharge Pro - Monthly | $12.49 | per month |
| (SECRET OFFER) Recharge Pro Annual | $59.99 | per year |
| Recharge Pro - Annual | $59.99 | per year |
| Recharge Pro - Annual | $74.99 | per year |
| Recharge Pro - Annual | $74.99 | per year |


### Chi Trainer

[App page](https://appshunter.io/ios/app/chi-trainer/id6762829005)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Recharge Science free?

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

### Is Chi Trainer free?

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

### Do Recharge Science or Chi Trainer have ads?

Recharge Science shows ads; Chi Trainer does not.

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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.*