# Aquapulse vs 4Spares

The clearest difference is update cadence: 4Spares at every 3 days against Aquapulse's every 3 weeks. Aquapulse's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Aquapulse ships an update every 3 weeks, 4Spares every 3 days. The most recent releases landed on October 7, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Aquapulse | 4Spares |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 39 MB | 74 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Phoenix Marine Exports and Solution Private Limited](https://appshunter.io/developer/1813822817) | [4SPARES PRIVATE LIMITED](https://appshunter.io/developer/6780640486) |

## What reviewers say

### Aquapulse

[App page](https://appshunter.io/ios/app/aquapulse/id6605928392)

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

**In-app purchases:** none


### 4Spares

[App page](https://appshunter.io/ios/app/4sparesinventory/id6780988607)

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

**In-app purchases:** none


## Frequently asked questions

### Is Aquapulse free?

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

### Is 4Spares free?

4Spares is free to download, with no in-app purchases.

### Do Aquapulse or 4Spares have ads?

Neither Aquapulse nor 4Spares shows ads.

### Which is updated more often, Aquapulse or 4Spares?

Aquapulse ships an update every 3 weeks, and 4Spares every 3 days. Most recently, Aquapulse was updated on October 7, 2026 and 4Spares on September 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*