# B vs Onesight Smart City Platform

B and Onesight Smart City Platform are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

B ships an update every 5 months, Onesight Smart City Platform every 6 months. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | B | Onesight Smart City Platform |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 6 months |
| Size | 95 MB | 873 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Hon Cho International Trade Co., Ltd.](https://appshunter.io/developer/1232497891) | [以见科技(上海)有限公司](https://appshunter.io/developer/1401741161) |

## What reviewers say

### B

[App page](https://appshunter.io/ios/app/b-one/id1491640533)

**Features:** macOS Compatibility

**In-app purchases:** none


### Onesight Smart City Platform

[App page](https://appshunter.io/ios/app/onesight-smart-city-platform/id1585318366)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is B free?

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

### Is Onesight Smart City Platform free?

Onesight Smart City Platform is free to download, with no in-app purchases.

### Do B or Onesight Smart City Platform have ads?

Neither B nor Onesight Smart City Platform shows ads.

### Which is updated more often, B or Onesight Smart City Platform?

B ships an update every 5 months, and Onesight Smart City Platform every 6 months. Most recently, B was updated on October 9, 2026 and Onesight Smart City Platform on October 10, 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.*