# EWATT vs Qdash

The clearest difference is in-app purchases: EWATT at none against Qdash's 2. EWATT also leads on iOS requirement (13.0 vs 17.6). Qdash's advantage is update cadence (monthly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Qdash sells 2 in-app purchases, starting at $4.99 per month. EWATT asks for nothing beyond the download.

EWATT ships an update every 2 months, Qdash monthly. The most recent releases landed on September 23, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | EWATT | Qdash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/qdash/id6738899651/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 6 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [帆 刘](https://appshunter.io/developer/1706245535) | [Edward He](https://appshunter.io/developer/1782801355) |

## What reviewers say

### EWATT

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

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

**In-app purchases:** none


### Qdash

[App page](https://appshunter.io/ios/app/qdash/id6738899651)

Monitor and configure your electric vehicle's motor control system in real-time. Track speed, battery, temperature, and power consumption with advanced graphs and historical data. Customize your dashboard and run system diagnostics for enhanced safety and performance.

**Highlights:** Real-time dashboard monitoring, Advanced performance graphs, Historical data logging, Local weather integration, Customizable dashboard themes, System diagnostics and error codes, Real-time safety alerts

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Qdash | $4.99 | per month |
| Qdash Annual | $23.99 | per year |


## Frequently asked questions

### Is EWATT free?

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

### Is Qdash free?

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

### Do EWATT or Qdash have ads?

Neither EWATT nor Qdash shows ads.

### Which is updated more often, EWATT or Qdash?

EWATT ships an update every 2 months, and Qdash monthly. Most recently, EWATT was updated on September 23, 2026 and Qdash on June 10, 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.*