# Pseudo Random Number Generator vs ISO 8601 Keyboard

The clearest difference is price: Pseudo Random Number Generator at Free against ISO 8601 Keyboard's $1.99. Pseudo Random Number Generator also leads on ratings volume (4 vs 1) and iOS requirement (9.0 vs 26.0). ISO 8601 Keyboard's advantage is rating (5.0 vs 3.3) and update cadence (every 7 months vs every 27 months). On ads, in-app purchases and device support there is nothing between them.

Pseudo Random Number Generator is free to download; ISO 8601 Keyboard costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ISO 8601 Keyboard holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Pseudo Random Number Generator ships an update every 27 months, ISO 8601 Keyboard every 7 months. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Pseudo Random Number Generator | ISO 8601 Keyboard |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [3.3 (4 ratings)](https://appshunter.io/ios/app/pseudo-random-number-generator/id1103138006/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/iso-8601-keyboard/id1212402214/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 7 months** |
| Monetization | **Free** | Paid |
| Size | 22 MB | 7 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [齐 陈](https://appshunter.io/developer/455625305) | [Andrew Branagan](https://appshunter.io/developer/1212402213) |

## What reviewers say

### Pseudo Random Number Generator

[App page](https://appshunter.io/ios/app/pseudo-random-number-generator/id1103138006)

Easily generate random numbers for various uses, from classroom calls to game dice rolls and lottery picks. Features a user-friendly interface with options for setting ranges and allowing duplicates.

**Highlights:** Generate random numbers, Set number range, Allow/disallow duplicates, Store generated numbers, Large, touch-friendly UI, Free to use

**Features:** macOS Compatibility

**In-app purchases:** none


### ISO 8601 Keyboard

[App page](https://appshunter.io/ios/app/iso-8601-keyboard/id1212402214)

Instantly input dates in YYYY-MM-DD format with a single tap. Offers a date picker for any date and smart backspace for easy correction. Streamlines workflows for professionals working with standardized dates.

**Highlights:** Instant date entry (yesterday, today, tomorrow), ISO 8601 format (YYYY-MM-DD), Date picker wheel for any date, Smart backspace for date removal, Auto space after date, Auto keyboard switch

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

**In-app purchases:** none


## Frequently asked questions

### Is Pseudo Random Number Generator free?

Pseudo Random Number Generator is free to download, with no in-app purchases.

### Is ISO 8601 Keyboard free?

ISO 8601 Keyboard costs $1.99, with no in-app purchases.

### Which has better reviews, Pseudo Random Number Generator or ISO 8601 Keyboard?

ISO 8601 Keyboard is rated higher. Pseudo Random Number Generator averages 3.3 out of 5 from 4 ratings, while ISO 8601 Keyboard averages 5.0 from 1 ratings.

### Do Pseudo Random Number Generator or ISO 8601 Keyboard have ads?

Neither Pseudo Random Number Generator nor ISO 8601 Keyboard shows ads.

### Which is updated more often, Pseudo Random Number Generator or ISO 8601 Keyboard?

Pseudo Random Number Generator ships an update every 27 months, and ISO 8601 Keyboard every 7 months. Most recently, Pseudo Random Number Generator was updated on October 24, 2026 and ISO 8601 Keyboard on October 26, 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.*