# MAP BMS vs OPGMobility IOT

The clearest difference is update cadence: OPGMobility IOT at every 5 weeks against MAP BMS's every 13 months. MAP BMS's advantage is iOS requirement (11.0 vs 15.6). 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.

MAP BMS ships an update every 13 months, OPGMobility IOT every 5 weeks. The most recent releases landed on September 17, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | MAP BMS | OPGMobility IOT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 5 weeks** |
| Size | 48 MB | 51 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Haidi Energy Tehcnogy Co., Ltd](https://appshunter.io/developer/1645467042) | [EFFICIENT IT AND ELECTRONICS SERVICES PRIVATE LIMITED](https://appshunter.io/developer/1725458091) |

## What reviewers say

### MAP BMS

[App page](https://appshunter.io/ios/app/map-bms/id6443525563)

**Features:** macOS Compatibility

**In-app purchases:** none


### OPGMobility IOT

[App page](https://appshunter.io/ios/app/opgmobility-iot/id6757752921)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MAP BMS free?

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

### Is OPGMobility IOT free?

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

### Do MAP BMS or OPGMobility IOT have ads?

Neither MAP BMS nor OPGMobility IOT shows ads.

### Which is updated more often, MAP BMS or OPGMobility IOT?

MAP BMS ships an update every 13 months, and OPGMobility IOT every 5 weeks. Most recently, MAP BMS was updated on September 17, 2026 and OPGMobility IOT on September 19, 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.*