# RE+ vs HydroNovation IoT

The clearest difference is update cadence: HydroNovation IoT at every 3 weeks against RE+'s every 3 months. HydroNovation IoT also leads on iOS requirement (12.0 vs 15.0). 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.

RE+ ships an update every 3 months, HydroNovation IoT every 3 weeks. The most recent releases landed on October 6, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | RE+ | HydroNovation IoT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/re-plus/id6742772950/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 45 MB | 40 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [上海派智能源股份有限公司](https://appshunter.io/developer/1715104284) | [溢泰(南京)环保科技有限公司](https://appshunter.io/developer/1286984928) |

## What reviewers say

### RE+

[App page](https://appshunter.io/ios/app/re-plus/id6742772950)

Monitor your lithium battery status directly from your iPhone. This utility app provides insights into battery performance and data.

**Highlights:** Lithium battery data monitoring, iPhone integration, Battery performance insights

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

**In-app purchases:** none


### HydroNovation IoT

[App page](https://appshunter.io/ios/app/hydronovation-iot/id6754879180)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RE+ free?

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

### Is HydroNovation IoT free?

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

### Do RE+ or HydroNovation IoT have ads?

Neither RE+ nor HydroNovation IoT shows ads.

### Which is updated more often, RE+ or HydroNovation IoT?

RE+ ships an update every 3 months, and HydroNovation IoT every 3 weeks. Most recently, RE+ was updated on October 6, 2026 and HydroNovation IoT on September 20, 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.*