# Anker Power vs Sierro

The clearest difference is review sentiment: Anker Power at 70% against Sierro's 0%. Anker Power also leads on rating (4.5 vs 1.0) and ratings volume (1.5K vs 2). Sierro's advantage is update cadence (every 4 days vs fortnightly). 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.

Anker Power holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Anker Power has 1.5K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 70% of Anker Power's written reviews are positive against 0% of Sierro's.

Anker Power ships an update fortnightly, Sierro every 4 days. The most recent releases landed on October 23, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Anker Power | Sierro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1.5K ratings)](https://appshunter.io/ios/app/anker-power/id1635029057/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/sierro/id6808530922/reviews) |
| Number of ratings | **1.5K** | 2 |
| Positive reviews | **69.6% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free | Free |
| Size | 723 MB | 7 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Power Mobile Life LLC](https://appshunter.io/developer/1096079944) | [Sierro Intelligent Technology Co., Ltd](https://appshunter.io/developer/6808530924) |

## What reviewers say

### Anker Power

[App page](https://appshunter.io/ios/app/anker-power/id1635029057)

Remotely manage and monitor your Anker power banks, outdoor energy storage, and solar devices. Control output, check status, and perform over-the-air updates for a smarter energy experience.

**Highlights:** Remote device control, Real-time status monitoring, Over-the-air updates, Adjust output power, Turn devices on/off

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Powerful and reliable
- 💡 Useful app features
- 🔋 Good battery life

**What reviewers complain about**

- 🐛 Connectivity issues
- 🔒 Privacy concerns
- 💡 Lacking advanced features
- 🔋 Battery management limitations

**Reported bugs**

- Frequent app crashes
- Firmware update issues
- Bluetooth disconnection problems

**Requested features**

- Battery health monitoring
- Customizable charge limits
- Time-of-use scheduling
- Improved app performance


### 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 Anker Power free?

Anker Power 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, Anker Power or Sierro?

Anker Power is rated higher. Anker Power averages 4.5 out of 5 from 1.5K ratings, while Sierro averages 1.0 from 2 ratings.

### Do Anker Power or Sierro have ads?

Neither Anker Power nor Sierro shows ads.

### Which is updated more often, Anker Power or Sierro?

Anker Power ships an update fortnightly, and Sierro every 4 days. Most recently, Anker Power 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.*