# ESS LINK vs Pytes

The clearest difference is review sentiment: ESS LINK at 100% against Pytes's 0%. ESS LINK also leads on rating (4.7 vs 1.4). Pytes's advantage is update cadence (every 4 days vs every 5 weeks) and iOS requirement (9.0 vs 13.0). On price, ratings volume, 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.

ESS LINK holds the better App Store score, 4.7 against 1.4. Both are backed by a comparable volume of ratings — 6 and 5 respectively. Written reviews point the same way: 100% of ESS LINK's written reviews are positive against 0% of Pytes's.

ESS LINK ships an update every 5 weeks, Pytes every 4 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | ESS LINK | Pytes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (6 ratings)](https://appshunter.io/ios/app/ess-link/id6449733401/reviews)** | [1.4 (5 ratings)](https://appshunter.io/ios/app/pytes/id6471333496/reviews) |
| Number of ratings | **6** | 5 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Monetization | Free | Free |
| Size | 75 MB | 35 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Sinexcel Electric Co,.Ltd.](https://appshunter.io/developer/1638251236) | [上海派智能源股份有限公司](https://appshunter.io/developer/1715104284) |

## What reviewers say

### ESS LINK

[App page](https://appshunter.io/ios/app/ess-link/id6449733401)

Monitor and control photovoltaic equipment remotely. View real-time operational data, historical performance, and fault logs. Adjust equipment settings like switches and working modes for efficient energy management.

**Highlights:** Remote data monitoring, Control photovoltaic equipment, View operational data, Access historical data, Manage equipment settings, QR code device entry

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

**In-app purchases:** none


### Pytes

[App page](https://appshunter.io/ios/app/pytes/id6471333496)

Upload your lithium battery data from your iPhone. Monitor and manage your battery information efficiently.

**Highlights:** Upload lithium battery data, iPhone data management, Monitor battery information, Supports iPhone and iPad

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

**In-app purchases:** none


## Frequently asked questions

### Is ESS LINK free?

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

### Is Pytes free?

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

### Which has better reviews, ESS LINK or Pytes?

ESS LINK is rated higher. ESS LINK averages 4.7 out of 5 from 6 ratings, while Pytes averages 1.4 from 5 ratings.

### Do ESS LINK or Pytes have ads?

Neither ESS LINK nor Pytes shows ads.

### Which is updated more often, ESS LINK or Pytes?

ESS LINK ships an update every 5 weeks, and Pytes every 4 days. Most recently, ESS LINK was updated on November 3, 2026 and Pytes on November 4, 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.*