# Previnet OTP vs GLO RING

The clearest difference is update cadence: GLO RING at every 3 weeks against Previnet OTP's every 3 months. GLO RING also leads on iOS requirement (12.0 vs 16.6). On price, review sentiment, 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.

Previnet OTP ships an update every 3 months, GLO RING every 3 weeks. The most recent releases landed on October 11, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Previnet OTP | GLO RING |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 19 MB | 104 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Previnet S.p.A.](https://appshunter.io/developer/585612736) | [GLORING SRL](https://appshunter.io/developer/1736117336) |

## What reviewers say

### Previnet OTP

[App page](https://appshunter.io/ios/app/previnet-otp/id680474557)

This utility app generates unique, time-based verification codes for enhanced security when accessing web services. It supports multiple accounts and offers convenient activation via QR code or URL.

**Highlights:** Generates time-based verification codes, Provides enhanced security for web services, Supports multiple accounts, QR Code activation, URL activation

**Features:** macOS Compatibility

**In-app purchases:** none


### GLO RING

[App page](https://appshunter.io/ios/app/glo-ring/id6479521829)

Track your movements, analyze your sleep patterns, and gain valuable exercise insights. This app encourages a healthy lifestyle and personal improvement through sports. It connects with smart devices and Apple Health.

**Highlights:** Precise motion tracking, Detailed sleep analysis, Insightful exercise data, Smart device connectivity, Apple Health integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Previnet OTP free?

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

### Is GLO RING free?

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

### Do Previnet OTP or GLO RING have ads?

Neither Previnet OTP nor GLO RING shows ads.

### Which is updated more often, Previnet OTP or GLO RING?

Previnet OTP ships an update every 3 months, and GLO RING every 3 weeks. Most recently, Previnet OTP was updated on October 11, 2026 and GLO RING on October 12, 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.*