# BLUETTI vs Sierro

The clearest difference is review sentiment: BLUETTI at 67% against Sierro's 0%. BLUETTI also leads on rating (4.2 vs 1.0) and ratings volume (1.5K vs 2). Sierro's advantage is update cadence (every 4 days vs every 3 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

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

BLUETTI holds the better App Store score, 4.2 against 1.0. That said, the two scores are not equally well evidenced: BLUETTI has 1.5K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 67% of BLUETTI's written reviews are positive against 0% of Sierro's.

BLUETTI ships an update every 3 weeks, Sierro every 4 days. The most recent releases landed on October 23, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | BLUETTI | Sierro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (1.5K ratings)](https://appshunter.io/ios/app/bluetti/id1550568336/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/sierro/id6808530922/reviews) |
| Number of ratings | **1.5K** | 2 |
| Positive reviews | **66.9% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free | Free |
| Size | 122 MB | 7 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Poweroak Newener Co., Ltd.](https://appshunter.io/developer/1281393663) | [Sierro Intelligent Technology Co., Ltd](https://appshunter.io/developer/6808530924) |

## What reviewers say

### BLUETTI

[App page](https://appshunter.io/ios/app/bluetti/id1550568336)

Manage your portable power station remotely. Monitor real-time energy usage, adjust settings for optimal performance, and receive instant alerts. Schedule charging and keep your device updated with the latest firmware.

**Highlights:** Real-time power monitoring, Remote setting adjustments, Instant status alerts, Scheduled charging, Firmware updates, User forum

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick connection
- 💡 Useful features
- 🔋 Reliable power backup

**What reviewers complain about**

- 🐛 Connectivity issues
- 🔒 Forced account login
- 🤔 Cluttered interface
- 🔋 Battery drain issues

**Reported bugs**

- Bluetooth pairing problems
- Inconsistent WiFi connectivity
- Incorrect data reporting
- Forced app updates

**Requested features**

- Landscape mode support
- Estimated time remaining
- Customizable notifications
- Improved data analytics


### 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 BLUETTI free?

BLUETTI 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, BLUETTI or Sierro?

BLUETTI is rated higher. BLUETTI averages 4.2 out of 5 from 1.5K ratings, while Sierro averages 1.0 from 2 ratings.

### Do BLUETTI or Sierro have ads?

Neither BLUETTI nor Sierro shows ads.

### Which is updated more often, BLUETTI or Sierro?

BLUETTI ships an update every 3 weeks, and Sierro every 4 days. Most recently, BLUETTI was updated on October 23, 2026 and Sierro on October 22, 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.*