# O1 vs Protechme

The clearest difference is iOS requirement: O1 at 13.0 against Protechme's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

O1 ships an update monthly, Protechme every 3 weeks. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | O1 | Protechme |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/o1-275-6fi/id1453197538/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 2.5 GB | 202 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [ALL ONE QUANTUM RESEARCH CO., LTD.](https://appshunter.io/developer/1092958319) | [Thomas Vinther](https://appshunter.io/developer/1648749551) |

## What reviewers say

### O1

[App page](https://appshunter.io/ios/app/o1-275-6fi/id1453197538)

This app analyzes facial spectrum data using a connected device to provide health reports. It offers insights into energy levels, nutrient absorption, and waste metabolism, presented through various charts and AR visualizations. It is intended for health promotion and not medical diagnosis.

**Highlights:** FI spectrum analysis with AR effects, 12S parameter analysis, Body health reports, Twelve Meridian Energy Chart, Energy Therapy Analysis, Cell Energy Analysis, AR spectrum intervention

**Features:** macOS Compatibility

**In-app purchases:** none


### Protechme

[App page](https://appshunter.io/ios/app/protechme/id6502291387)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is O1 free?

O1 is free to download, with no in-app purchases.

### Is Protechme free?

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

### Do O1 or Protechme have ads?

Neither O1 nor Protechme shows ads.

### Which is updated more often, O1 or Protechme?

O1 ships an update monthly, and Protechme every 3 weeks. Most recently, O1 was updated on November 2, 2026 and Protechme on November 4, 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.*