# EWATT vs SMX DRIVES

The clearest difference is update cadence: SMX DRIVES at every 3 weeks against EWATT's every 2 months. EWATT'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.

EWATT ships an update every 2 months, SMX DRIVES every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | EWATT | SMX DRIVES |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 24 MB | 77 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [帆 刘](https://appshunter.io/developer/1706245535) | [Hemant Babel](https://appshunter.io/developer/1879462661) |

## What reviewers say

### EWATT

[App page](https://appshunter.io/ios/app/ewatt-bms/id6464585303)

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

**In-app purchases:** none


### SMX DRIVES

[App page](https://appshunter.io/ios/app/smx-drives/id6759551598)

**In-app purchases:** none


## Frequently asked questions

### Is EWATT free?

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

### Is SMX DRIVES free?

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

### Do EWATT or SMX DRIVES have ads?

Neither EWATT nor SMX DRIVES shows ads.

### Which is updated more often, EWATT or SMX DRIVES?

EWATT ships an update every 2 months, and SMX DRIVES every 3 weeks. Most recently, EWATT was updated on October 30, 2026 and SMX DRIVES on October 31, 2026.

---

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