# BrightEMS vs Lymow

The clearest difference is rating: Lymow at 3.5 against BrightEMS's 2.5. Lymow also leads on review sentiment (45% vs 29%) and ratings volume (77 vs 15). 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.

Lymow holds the better App Store score, 3.5 against 2.5. That said, the two scores are not equally well evidenced: Lymow has 77 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 29% of BrightEMS's written reviews are positive against 45% of Lymow's.

BrightEMS ships an update every 3 weeks, Lymow fortnightly. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | BrightEMS | Lymow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (15 ratings)](https://appshunter.io/ios/app/brightems/id6450639649/reviews) | **[3.5 (77 ratings)](https://appshunter.io/ios/app/lymow/id6739445510/reviews)** |
| Number of ratings | 15 | **77** |
| Positive reviews | 29.2% of reviews | **45.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 40 MB | 127 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Abisda Network Technology Co., Ltd.](https://appshunter.io/developer/1750660585) | [Changzhou Lymow Technology Co., Ltd.](https://appshunter.io/developer/1753191505) |

## What reviewers say

### BrightEMS

[App page](https://appshunter.io/ios/app/brightems/id6450639649)

Manage your energy storage power supply with comprehensive control over switches, charging, and power parameters. Optimize energy usage, schedule charging, and keep your device updated with the latest firmware.

**Highlights:** USB/AC/DC/LED switch control, Energy parameter monitoring, Silent and scheduled charging, Customizable DC charging, Screen and standby time settings, Firmware version upgrades

**Features:** macOS Compatibility

**In-app purchases:** none


### Lymow

[App page](https://appshunter.io/ios/app/lymow/id6739445510)

This app offers advanced control over your robotic lawn mower. Create custom mowing zones, set schedules, and manage robot settings remotely for a perfectly manicured lawn with minimal effort.

**Highlights:** Smart mapping and zone creation, Customizable mowing schedules, Adjustable cutting height and speed, Recharge and resume functionality, Anti-theft geofencing, Multiple lawn map management

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BrightEMS free?

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

### Is Lymow free?

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

### Which has better reviews, BrightEMS or Lymow?

Lymow is rated higher. BrightEMS averages 2.5 out of 5 from 15 ratings, while Lymow averages 3.5 from 77 ratings.

### Do BrightEMS or Lymow have ads?

Neither BrightEMS nor Lymow shows ads.

### Which is updated more often, BrightEMS or Lymow?

BrightEMS ships an update every 3 weeks, and Lymow fortnightly. Most recently, BrightEMS was updated on October 21, 2026 and Lymow on October 24, 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.*