# Onoff Numbers vs Guilbert Diffusion

The clearest difference is in-app purchases: Guilbert Diffusion at none against Onoff Numbers's 10. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Onoff Numbers sells 9 in-app purchases, starting at $7.99 per month. Guilbert Diffusion asks for nothing beyond the download.

## The numbers

| Metric | Onoff Numbers | Guilbert Diffusion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (793 ratings)](https://appshunter.io/ios/app/onoff-numbers/id942996042/reviews)** | — |
| Number of ratings | **793** | — |
| Positive reviews | 43.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 319 MB | 5 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ONOFFAPP](https://appshunter.io/developer/939656604) | [Fly Your Mind](https://appshunter.io/developer/6774081347) |

## What reviewers say

### Onoff Numbers

[App page](https://appshunter.io/ios/app/onoff-numbers/id942996042)

Get a second phone number instantly through an app, without needing a new SIM card or device. Keep your personal and professional lives separate, protect your privacy, and make international calls at low costs. Manage calls, SMS, and voicemail all in one place.

**Highlights:** Second phone number, Separate professional and personal lines, Privacy protection, Low-cost international calls, Integrated visual voicemail, Port existing numbers, Numbers from 30+ countries

**Features:** Siri integration, Apple Wallet, Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Onoff Premium | $7.99 | per month |
| 1 month | $10.99 | per month |
| 1 month | $17.99 | per month |
| 1 month | $21.49 | per month |
| 100 credits | $1.99 | one-time |
| 1000 credits | $9.99 | one-time |
| 1 month | $10.99 | one-time |
| 1 month | $12.99 | one-time |
| 1 month | $17.99 | one-time |

**What reviewers like**

- 💯 Excellent app
- 🚀 Simple and easy to use
- 🔒 Secure and private
- 📱 Great for business/travel

**What reviewers complain about**

- 🐛 Unreliable service
- 🔒 Privacy concerns
- 💰 Expensive pricing
- 🚫 Limited functionality

**Reported bugs**

- Calls and texts not going through
- Account validation issues
- Frequent app crashes
- Syncing problems with contacts

**Requested features**

- Add more country support
- Improve call and SMS reliability
- Introduce VoIP calling
- Offer better customer support


### Guilbert Diffusion

[App page](https://appshunter.io/ios/app/guilbert-diffusion/id6774081345)

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

**In-app purchases:** none


## Frequently asked questions

### Is Onoff Numbers free?

Onoff Numbers is free to download, with in-app purchases available.

### Is Guilbert Diffusion free?

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

### Do Onoff Numbers or Guilbert Diffusion have ads?

Neither Onoff Numbers nor Guilbert Diffusion shows ads.

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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.*