# Random Picker vs Digital Memory Challenge

The clearest difference is price: Random Picker at Free against Digital Memory Challenge's $0.99. Random Picker also leads on update cadence (monthly vs every 3 months). Digital Memory Challenge's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Random Picker is free to download; Digital Memory Challenge costs $0.99 up front. Random Picker sells 1 one-off in-app purchase. Digital Memory Challenge asks for nothing beyond the download.

Random Picker ships an update monthly, Digital Memory Challenge every 3 months. The most recent releases landed on October 27, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Random Picker | Digital Memory Challenge |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.6 (115 ratings)](https://appshunter.io/ios/app/random-picker-3d-lucky-ball/id6448287320/reviews)** | — |
| Number of ratings | **115** | — |
| Positive reviews | 77.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 81 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [伟 雷](https://appshunter.io/developer/1347765042) | [元宝 陈](https://appshunter.io/developer/1708585824) |

## What reviewers say

### Random Picker

[App page](https://appshunter.io/ios/app/random-picker-3d-lucky-ball/id6448287320)

This entertainment app simulates drawing lucky numbers using a 3D physics engine. Create multiple boxes, each with 100 numbers, and customize the appearance of the lucky ball. Designed purely for amusement.

**Highlights:** 3D Physics Engine, Multiple Lucky Boxes, Customizable Ball Color, Number Selection, Entertainment Focused

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional | $1.99 | one-time |


### Digital Memory Challenge

[App page](https://appshunter.io/ios/app/digital-memory-challenge/id6751260900)

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

**In-app purchases:** none


## Frequently asked questions

### Is Random Picker free?

Random Picker is free to download, with in-app purchases available.

### Is Digital Memory Challenge free?

Digital Memory Challenge costs $0.99, with no in-app purchases.

### Do Random Picker or Digital Memory Challenge have ads?

Random Picker shows ads; Digital Memory Challenge does not.

### Which is updated more often, Random Picker or Digital Memory Challenge?

Random Picker ships an update monthly, and Digital Memory Challenge every 3 months. Most recently, Random Picker was updated on October 27, 2026 and Digital Memory Challenge 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.*