# ONE vs Xenius SEMS Plus

ONE and Xenius SEMS Plus 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.

ONE ships an update every 2 months, Xenius SEMS Plus every 5 weeks. The most recent releases landed on October 25, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | ONE | Xenius SEMS Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.6 (7 ratings)](https://appshunter.io/ios/app/xenius-sems-plus/id1603380134/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 50.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 146 MB | 23 MB |
| Requires iOS | **12.0** | 12.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [NowApps Technologies Private Limited](https://appshunter.io/developer/1391015591) | [Radius Synergies International Private Limited](https://appshunter.io/developer/880536127) |

## What reviewers say

### ONE

[App page](https://appshunter.io/ios/app/one-ifb/id1579040440)

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

**In-app purchases:** none


### Xenius SEMS Plus

[App page](https://appshunter.io/ios/app/xenius-sems-plus/id1603380134)

Monitor your energy consumption, account balance, and meter readings. Recharge your account using various payment methods and access detailed reports on power usage. Receive customizable notifications to optimize energy use.

**Highlights:** Consumption overview, Account balance recharge, Real-time usage reports, Customizable notifications, Account information management, Support information

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ONE free?

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

### Is Xenius SEMS Plus free?

Xenius SEMS Plus is free to download, with no in-app purchases.

### Do ONE or Xenius SEMS Plus have ads?

Neither ONE nor Xenius SEMS Plus shows ads.

### Which is updated more often, ONE or Xenius SEMS Plus?

ONE ships an update every 2 months, and Xenius SEMS Plus every 5 weeks. Most recently, ONE was updated on October 25, 2026 and Xenius SEMS Plus on October 22, 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.*