# CLEANR Filter vs Sierro

The clearest difference is review sentiment: CLEANR Filter at 100% against Sierro's 50%. CLEANR Filter also leads on rating (5.0 vs 2.3) and ratings volume (13 vs 3). Sierro's advantage is update cadence (every 10 days vs every 2 months) and device support (3 vs 1). 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.

CLEANR Filter holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 13 and 3 respectively. Written reviews point the same way: 100% of CLEANR Filter's written reviews are positive against 50% of Sierro's.

CLEANR Filter ships an update every 2 months, Sierro every 10 days. The most recent releases landed on October 8, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | CLEANR Filter | Sierro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (13 ratings)](https://appshunter.io/ios/app/cleanr-filter/id6472074408/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/sierro/id6808530922/reviews) |
| Number of ratings | **13** | 3 |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free | Free |
| Size | 74 MB | 7 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CLEANR Inc.](https://appshunter.io/developer/1716588956) | [Sierro Intelligent Technology Co., Ltd](https://appshunter.io/developer/6808530924) |

## What reviewers say

### CLEANR Filter

[App page](https://appshunter.io/ios/app/cleanr-filter/id6472074408)

This app helps manage and monitor external filters for washing machines. It provides insights into filter performance and maintenance schedules, ensuring optimal appliance function. Keep your washing machine running smoothly with timely alerts and usage tracking.

**Highlights:** Filter monitoring, Performance insights, Maintenance scheduling, Usage tracking, Appliance optimization

**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 CLEANR Filter free?

CLEANR Filter 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, CLEANR Filter or Sierro?

CLEANR Filter is rated higher. CLEANR Filter averages 5.0 out of 5 from 13 ratings, while Sierro averages 2.3 from 3 ratings.

### Do CLEANR Filter or Sierro have ads?

Neither CLEANR Filter nor Sierro shows ads.

### Which is updated more often, CLEANR Filter or Sierro?

CLEANR Filter ships an update every 2 months, and Sierro every 10 days. Most recently, CLEANR Filter was updated on October 8, 2026 and Sierro on October 26, 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.*