# SmartgridOne vs KSTAR Sync

The clearest difference is update cadence: KSTAR Sync at every 2 weeks against SmartgridOne's every 2 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.

SmartgridOne ships an update every 2 months, KSTAR Sync every 2 weeks. The most recent releases landed on September 30, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | SmartgridOne | KSTAR Sync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 26 MB | 74 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eniris](https://appshunter.io/developer/1616177363) | [Shenzhen Kstar Science & Technology Co., Ltd.](https://appshunter.io/developer/1460236605) |

## What reviewers say

### SmartgridOne

[App page](https://appshunter.io/ios/app/smartgridone/id1616177361)

**In-app purchases:** none


### KSTAR Sync

[App page](https://appshunter.io/ios/app/kstar-sync/id6754310380)

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

**In-app purchases:** none


## Frequently asked questions

### Is SmartgridOne free?

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

### Is KSTAR Sync free?

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

### Do SmartgridOne or KSTAR Sync have ads?

Neither SmartgridOne nor KSTAR Sync shows ads.

### Which is updated more often, SmartgridOne or KSTAR Sync?

SmartgridOne ships an update every 2 months, and KSTAR Sync every 2 weeks. Most recently, SmartgridOne was updated on September 30, 2026 and KSTAR Sync on October 2, 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.*