# Zing Performance vs 4

The clearest difference is review sentiment: 4 at 100% against Zing Performance's 40%. 4 also leads on rating (4.8 vs 3.7) and update cadence (every 2 weeks vs every 4 months). Zing Performance's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 17.6). On price, ratings volume and ads there is nothing between them.

Both are free to download. 4 sells 1 one-off in-app purchase. Zing Performance asks for nothing beyond the download.

4 holds the better App Store score, 4.8 against 3.7. Both are backed by a comparable volume of ratings — 9 and 4 respectively. Written reviews point the same way: 40% of Zing Performance's written reviews are positive against 100% of 4's.

Zing Performance ships an update every 4 months, 4 every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Zing Performance | 4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (9 ratings)](https://appshunter.io/ios/app/zing-performance/id1188238699/reviews) | **[4.8 (4 ratings)](https://appshunter.io/ios/app/4-7-8-breathe-478-reset/id6759777582/reviews)** |
| Number of ratings | **9** | 4 |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 844 MB | 28 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Zing Performance Ltd](https://appshunter.io/developer/735387177) | [Saadick Dhansay](https://appshunter.io/developer/1880591064) |

## What reviewers say

### Zing Performance

[App page](https://appshunter.io/ios/app/zing-performance/id1188238699)

This app uses neuroscience-backed exercises to enhance cognitive and physical performance. It offers personalized programs combining on-screen skill tests and physical activities to improve brain speed, memory, attention, and stress management.

**Highlights:** Personalized skill tests and physical activities, Neuroscience-based brain enhancement, Improves attention, memory, and coordination, Balances mind and body for stress management, Enhances spatial awareness, Accessible on the go

**In-app purchases:** none


### 4

[App page](https://appshunter.io/ios/app/4-7-8-breathe-478-reset/id6759777582)

This app guides you through the 478 breathing technique to promote faster sleep, reduce stress, and calm your nervous system. It offers haptic guidance and heart-rate tracking on Apple Watch, with a clean, distraction-free design. Enjoy a privacy-first experience with no account required.

**Highlights:** 478 breathing technique guidance, Apple Watch haptic feedback, Heart-rate tracking during sessions, Distraction-free design, No account required, Privacy-first approach, One-time purchase unlock

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock 478 Reset | $2.99 | one-time |


## Frequently asked questions

### Is Zing Performance free?

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

### Is 4 free?

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

### Which has better reviews, Zing Performance or 4?

4 is rated higher. Zing Performance averages 3.7 out of 5 from 9 ratings, while 4 averages 4.8 from 4 ratings.

### Do Zing Performance or 4 have ads?

Neither Zing Performance nor 4 shows ads.

### Which is updated more often, Zing Performance or 4?

Zing Performance ships an update every 4 months, and 4 every 2 weeks. Most recently, Zing Performance was updated on October 24, 2026 and 4 on October 25, 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.*