# Random Number Generator RNG vs Phi

The clearest difference is price: Phi at Free against Random Number Generator RNG's $4.99. On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

Phi is free to download; Random Number Generator RNG costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Random Number Generator RNG ships an update every 7 months, Phi every 5 months. The most recent releases landed on November 13, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Random Number Generator RNG | Phi |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/random-number-generator-rng/id570657392/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 71.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 7 months | **Every 5 months** |
| Monetization | Paid | — |
| Size | 13 MB | 42 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Intemodino Group s.r.o.](https://appshunter.io/developer/557849644) | [Eduardo Guerra](https://appshunter.io/developer/1488711849) |

## What reviewers say

### Random Number Generator RNG

[App page](https://appshunter.io/ios/app/random-number-generator-rng/id570657392)

This app generates random numbers and secure passwords with customizable options. It allows users to set ranges, lengths, and character types for both numbers and passwords, with features like duplicate exclusion and history logs.

**Highlights:** Generate random numbers up to 200 at once, Customizable number ranges and lengths, Generate secure passwords up to 100 characters, Exclude similar characters in passwords, History list for generated numbers and passwords, Send generated data via email

**Features:** Vision Pro support

**In-app purchases:** none


### Phi

[App page](https://appshunter.io/ios/app/phi/id1489772403)

**In-app purchases:** none


## Frequently asked questions

### Is Random Number Generator RNG free?

Random Number Generator RNG costs $4.99, with no in-app purchases.

### Is Phi free?

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

### Which is updated more often, Random Number Generator RNG or Phi?

Random Number Generator RNG ships an update every 7 months, and Phi every 5 months. Most recently, Random Number Generator RNG was updated on November 13, 2026 and Phi on November 3, 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.*