# REM INVERTER vs Smart BMS +

The clearest difference is update cadence: Smart BMS + at every 2 months against REM INVERTER's every 5 months. 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.

REM INVERTER ships an update every 5 months, Smart BMS + every 2 months. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | REM INVERTER | Smart BMS + |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Size | 32 MB | 71 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [无锡乐伏网络科技有限公司](https://appshunter.io/developer/1197246083) | [Sheraz Aslam](https://appshunter.io/developer/1798060185) |

## What reviewers say

### REM INVERTER

[App page](https://appshunter.io/ios/app/rem-inverter/id6757182278)

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart BMS +

[App page](https://appshunter.io/ios/app/smart-bms-plus/id6758837136)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is REM INVERTER free?

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

### Is Smart BMS + free?

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

### Do REM INVERTER or Smart BMS + have ads?

Neither REM INVERTER nor Smart BMS + shows ads.

### Which is updated more often, REM INVERTER or Smart BMS +?

REM INVERTER ships an update every 5 months, and Smart BMS + every 2 months. Most recently, REM INVERTER was updated on October 12, 2026 and Smart BMS + on October 6, 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.*