# Randomizer vs ChallengeUp

The clearest difference is review sentiment: ChallengeUp at 89% against Randomizer's 25%. ChallengeUp also leads on ads (none vs shown) and update cadence (every 2 months vs every 31 months). Randomizer's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Randomizer sells 1 one-off in-app purchase and ChallengeUp sells 2 in-app purchases, starting at $14.99 per year. Whichever you choose, the download price is not the number that matters.

ChallengeUp holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 16 and 38 respectively. Written reviews point the same way: 25% of Randomizer's written reviews are positive against 89% of ChallengeUp's.

Randomizer ships an update every 31 months, ChallengeUp every 2 months. The most recent releases landed on August 22, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Randomizer | ChallengeUp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (16 ratings)](https://appshunter.io/ios/app/randomizer-number-generator/id1515226280/reviews) | **[5.0 (38 ratings)](https://appshunter.io/ios/app/challengeup-habit-tracker/id1556682948/reviews)** |
| Number of ratings | 16 | **38** |
| Positive reviews | 25.0% of reviews | **89.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 31 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 15 MB | 85 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Danila Danilenko](https://appshunter.io/developer/1348112062) | [LIKE WRONG LLP](https://appshunter.io/developer/1556682950) |

## What reviewers say

### Randomizer

[App page](https://appshunter.io/ios/app/randomizer-number-generator/id1515226280)

This app offers a variety of random generation tools, including numbers, dice, words, and even points on a map. It's designed to help users make quick decisions or add an element of chance to their activities.

**Highlights:** Number generator, Dice roller, Emoji generator, Word generator, Yes/No decision maker, Map point selector

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Полный доступ \| Без рекламы | $0.99 | one-time |


### ChallengeUp

[App page](https://appshunter.io/ios/app/challengeup-habit-tracker/id1556682948)

This app helps you build new habits, improve self-care, or break bad ones with a structured, short-term challenge system. Focus on achieving goals within 7 to 60 days to experience lasting change without the pressure of lifelong commitment.

**Highlights:** Short challenge system (7-60 days), Create custom challenges, Track progress visually, Receive goal reminders, Share progress on social media, Access useful challenge tips

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus (Annual) | $14.99 | per year |
| Plus Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Randomizer free?

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

### Is ChallengeUp free?

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

### Which has better reviews, Randomizer or ChallengeUp?

ChallengeUp is rated higher. Randomizer averages 4.8 out of 5 from 16 ratings, while ChallengeUp averages 5.0 from 38 ratings.

### Do Randomizer or ChallengeUp have ads?

Randomizer shows ads; ChallengeUp does not.

### Which is updated more often, Randomizer or ChallengeUp?

Randomizer ships an update every 31 months, and ChallengeUp every 2 months. Most recently, Randomizer was updated on August 22, 2026 and ChallengeUp on September 23, 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.*