# TOG EV700 vs Sierro

The clearest difference is rating: TOG EV700 at 3.0 against Sierro's 2.3. TOG EV700 also leads on review sentiment (60% vs 50%) and ratings volume (9 vs 3). On price, update cadence, ads and in-app purchases there is nothing between them.

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

TOG EV700 holds the better App Store score, 3.0 against 2.3. Both are backed by a comparable volume of ratings — 9 and 3 respectively. Written reviews point the same way: 60% of TOG EV700's written reviews are positive against 50% of Sierro's.

TOG EV700 ships an update fortnightly, Sierro every 10 days. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | TOG EV700 | Sierro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (9 ratings)](https://appshunter.io/ios/app/tog-ev700/id1586110772/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/sierro/id6808530922/reviews) |
| Number of ratings | **9** | 3 |
| Positive reviews | **60.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | Free | Free |
| Size | 13 MB | 7 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TurnOnGreen Inc.](https://appshunter.io/developer/1585226313) | [Sierro Intelligent Technology Co., Ltd](https://appshunter.io/developer/6808530924) |

## What reviewers say

### TOG EV700

[App page](https://appshunter.io/ios/app/tog-ev700/id1586110772)

Control your EV home charger remotely. Start, stop, and schedule charging sessions to optimize for lower energy costs. Monitor your electricity usage with this smart utility.

**Highlights:** Remote start/stop charging, Usage monitoring, Off-peak charging scheduling, Secure charger control

**Features:** macOS Compatibility

**In-app purchases:** none


### Sierro

[App page](https://appshunter.io/ios/app/sierro/id6808530922)

Monitor and manage your home energy storage system. View battery status, solar generation, and power flow. Receive alerts for power outages and low battery levels to stay informed.

**Highlights:** Monitor battery status, View solar generation, Track power flow, Receive device alerts, Get outage notifications, Low battery alerts

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

**In-app purchases:** none


## Frequently asked questions

### Is TOG EV700 free?

TOG EV700 is free to download, with no in-app purchases.

### Is Sierro free?

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

### Which has better reviews, TOG EV700 or Sierro?

TOG EV700 is rated higher. TOG EV700 averages 3.0 out of 5 from 9 ratings, while Sierro averages 2.3 from 3 ratings.

### Do TOG EV700 or Sierro have ads?

Neither TOG EV700 nor Sierro shows ads.

### Which is updated more often, TOG EV700 or Sierro?

TOG EV700 ships an update fortnightly, and Sierro every 10 days. Most recently, TOG EV700 was updated on October 27, 2026 and Sierro on October 31, 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.*