# Flow Service vs Empalux Esolar

The clearest difference is update cadence: Flow Service at every 3 days against Empalux Esolar's every 6 weeks. Empalux Esolar's advantage is iOS requirement (9.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

Flow Service ships an update every 3 days, Empalux Esolar every 6 weeks. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Flow Service | Empalux Esolar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 weeks |
| Size | 45 MB | 93 MB |
| Requires iOS | 15.1 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [Everflow Tecnologia](https://appshunter.io/developer/1567761303) | [Guangzhou Sanjing Electric CO., Ltd](https://appshunter.io/developer/583911149) |

## What reviewers say

### Flow Service

[App page](https://appshunter.io/ios/app/flow-service/id1567761301)

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

**In-app purchases:** none


### Empalux Esolar

[App page](https://appshunter.io/ios/app/empalux-esolar/id1641058421)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flow Service free?

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

### Is Empalux Esolar free?

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

### Do Flow Service or Empalux Esolar have ads?

Neither Flow Service nor Empalux Esolar shows ads.

### Which is updated more often, Flow Service or Empalux Esolar?

Flow Service ships an update every 3 days, and Empalux Esolar every 6 weeks. Most recently, Flow Service was updated on October 10, 2026 and Empalux Esolar on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*