# MCE Sync vs Wattly

The clearest difference is in-app purchases: MCE Sync at none against Wattly's 7. MCE Sync also leads on ads (none vs shown) and ratings volume (198 vs 40). Wattly's advantage is review sentiment (71% vs 38%) and update cadence (every 8 days vs every 6 weeks). On price, rating, device support and iOS requirement there is nothing between them.

Both are free to download. Wattly sells 7 in-app purchases, starting at $6.99 per month. MCE Sync asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for MCE Sync against 4.5 for Wattly. Both are backed by a comparable volume of ratings — 198 and 40 respectively. Written reviews are what separate them: 38% of MCE Sync's written reviews are positive against 71% of Wattly's.

MCE Sync ships an update every 6 weeks, Wattly every 8 days. The most recent releases landed on October 17, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | MCE Sync | Wattly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (198 ratings)](https://appshunter.io/ios/app/mce-sync/id1590409332/reviews)** | [4.5 (40 ratings)](https://appshunter.io/ios/app/wattly/id6755333999/reviews) |
| Number of ratings | **198** | 40 |
| Positive reviews | 38.5% of reviews | **70.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 8 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 91 MB | 168 MB |
| Requires iOS | 18.6 | **18.0** |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [MCE Clean Energy](https://appshunter.io/developer/1590409334) | [Wattly Technologies S.L.](https://appshunter.io/developer/6802385214) |

## What reviewers say

### MCE Sync

[App page](https://appshunter.io/ios/app/mce-sync/id1590409332)

Automate your electric vehicle charging to leverage the cheapest and cleanest energy available on the grid. Earn cash rewards for charging during specific low-carbon events.

**Highlights:** Automated EV charging, Cheapest energy utilization, Cleanest energy utilization, Cash sign-up bonus, Monthly cash rewards

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

**In-app purchases:** none


### Wattly

[App page](https://appshunter.io/ios/app/wattly/id6755333999)

Monitor your Tesla's real-time data, control it remotely, and analyze driving habits. Automate vehicle actions, track charging costs, and explore detailed battery health insights. Connect with a driver community and utilize helpful utilities like rain radar.

**Highlights:** Real-time vehicle data dashboard, Remote control capabilities, Customizable automations, Live charging tracking with cost, Detailed trip history and analytics, Battery health monitoring, Tesla driver community features

**Features:** Apple Watch app

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Wattly Access | $6.99 | per month |
| Wattly Access | $6.99 | per month |
| Wattly Access Duo Monthly | $9.99 | per month |
| Wattly Access (Annual) | $69.99 | per year |
| Wattly Access (Annual) | $69.99 | per year |
| Wattly Access Duo Annual | $79.99 | per year |
| Wattly Access (Lifetime) | $299.99 | one-time |


## Frequently asked questions

### Is MCE Sync free?

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

### Is Wattly free?

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

### Which has better reviews, MCE Sync or Wattly?

MCE Sync is rated higher. MCE Sync averages 4.6 out of 5 from 198 ratings, while Wattly averages 4.5 from 40 ratings.

### Do MCE Sync or Wattly have ads?

Wattly shows ads; MCE Sync does not.

### Which is updated more often, MCE Sync or Wattly?

MCE Sync ships an update every 6 weeks, and Wattly every 8 days. Most recently, MCE Sync was updated on October 17, 2026 and Wattly on October 18, 2026.

---

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