# Hubble Learning vs Nudge Kids

The clearest difference is monetization model: Hubble Learning at free with in-app purchases against Nudge Kids's subscription. Hubble Learning also leads on update cadence (every 5 days vs monthly) and review sentiment (100% vs 82%). Nudge Kids's advantage is ads (none vs shown). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Hubble Learning sells 2 in-app purchases, starting at $7.99 per month and Nudge Kids sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Hubble Learning against 4.8 for Nudge Kids. Both are backed by a comparable volume of ratings — 10 and 16 respectively. Written reviews are what separate them: 100% of Hubble Learning's written reviews are positive against 82% of Nudge Kids's.

Hubble Learning ships an update every 5 days, Nudge Kids monthly. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Hubble Learning | Nudge Kids |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (10 ratings)](https://appshunter.io/ios/app/hubble-learning/id1447315085/reviews)** | [4.8 (16 ratings)](https://appshunter.io/ios/app/nudge-kids/id6443392804/reviews) |
| Number of ratings | 10 | **16** |
| Positive reviews | **100.0% of reviews** | 81.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Monthly |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 106 MB | 62 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hubble Learning Inc](https://appshunter.io/developer/1447315083) | [Nudge Limited Liability Company](https://appshunter.io/developer/1587104831) |

## What reviewers say

### Hubble Learning

[App page](https://appshunter.io/ios/app/hubble-learning/id1447315085)

Embark on a space adventure to develop crucial life skills. This app offers interactive activities and guided conversations for children aged 5-10 and their caregivers, fostering parent-child bonding and real-world social-emotional learning.

**Highlights:** Intergalactic space adventure theme, Focus on life skills (goal-setting, kindness, etc.), Parent-child co-pilot experience, Guided conversations and interactive activities, Reward system for progress, Research-backed by Harvard Graduate School of Education

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hubble Monthly Subscription | $7.99 | per month |
| Hubble Yearly Subscription | $34.99 | per year |


### Nudge Kids

[App page](https://appshunter.io/ios/app/nudge-kids/id6443392804)

This parenting system helps children develop essential skills and healthy habits to become capable individuals. It offers a comprehensive approach to skill-building and habit formation for kids. Access to all features requires a subscription.

**Highlights:** Skill development system, Healthy habit building, Empowers capable individuals, Parenting support, Subscription access to all functions

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nudge Kids: 1 Month Plan | $9.99 | per month |
| Nudge Kids: 3 Month Plan | $19.99 | per 3 months |
| Nudge Kids: 1 Year Plan | $54.99 | per year |


## Frequently asked questions

### Is Hubble Learning free?

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

### Is Nudge Kids free?

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

### Which has better reviews, Hubble Learning or Nudge Kids?

Hubble Learning is rated higher. Hubble Learning averages 4.8 out of 5 from 10 ratings, while Nudge Kids averages 4.8 from 16 ratings.

### Do Hubble Learning or Nudge Kids have ads?

Hubble Learning shows ads; Nudge Kids does not.

### Which is updated more often, Hubble Learning or Nudge Kids?

Hubble Learning ships an update every 5 days, and Nudge Kids monthly. Most recently, Hubble Learning was updated on October 18, 2026 and Nudge Kids on October 24, 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.*