# DoublePi vs Nucleus Core (NU)

The clearest difference is rating: DoublePi at 5.0 against Nucleus Core (NU)'s 3.0. DoublePi also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). Nucleus Core (NU)'s advantage is in-app purchases (none vs 7). On price, ratings volume and device support there is nothing between them.

Both are free to download. DoublePi sells 7 one-off in-app purchases. Nucleus Core (NU) asks for nothing beyond the download.

DoublePi holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

DoublePi ships an update every 3 weeks, Nucleus Core (NU) every 2 months. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | DoublePi | Nucleus Core (NU) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/doublepi/id1323581363/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/nucleus-core-nu/id6753549196/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 82 MB | 46 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sixtwentyeight & Change LLC](https://appshunter.io/developer/1673172369) | [Nucleus Core Ltd](https://appshunter.io/developer/1843742170) |

## What reviewers say

### DoublePi

[App page](https://appshunter.io/ios/app/doublepi/id1323581363)

Connect with others to share pre-owned items and showcase eco-friendly DIY projects. Engage in contests and discover ideas for sustainable living within a secure community focused on building a more circular society.

**Highlights:** Share used/unused goods, Showcase eco-friendly DIY projects, Engage in DIY contests, Discover earth-friendly lifestyle ideas, Connect with a like-minded community, Secure sharing space

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Purchase Double Pie | $0.99 | one-time |
| Purchase 50 Pi Coins | $4.99 | one-time |
| Purchase Mojo Pie | $4.99 | one-time |
| Purchase 100 Pi Coins | $9.99 | one-time |
| Purchase 250 Pi Coins | $24.99 | one-time |
| Purchase 500 Pi Coins | $49.99 | one-time |
| Purchase 1000 Pi Coins | $99.99 | one-time |


### Nucleus Core (NU)

[App page](https://appshunter.io/ios/app/nucleus-core-nu/id6753549196)

Earn NU points by engaging with the app daily and learning about blockchain. Manage your NU balance and securely store digital assets. It's a fair and eco-friendly way to participate.

**Highlights:** Earn NU points daily, Learn blockchain principles, Manage NU balance, Securely store digital assets, Eco-friendly participation

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

**In-app purchases:** none


## Frequently asked questions

### Is DoublePi free?

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

### Is Nucleus Core (NU) free?

Nucleus Core (NU) is free to download, with no in-app purchases.

### Which has better reviews, DoublePi or Nucleus Core (NU)?

DoublePi is rated higher. DoublePi averages 5.0 out of 5 from 1 ratings, while Nucleus Core (NU) averages 3.0 from 1 ratings.

### Do DoublePi or Nucleus Core (NU) have ads?

Nucleus Core (NU) shows ads; DoublePi does not.

### Which is updated more often, DoublePi or Nucleus Core (NU)?

DoublePi ships an update every 3 weeks, and Nucleus Core (NU) every 2 months. Most recently, DoublePi was updated on November 2, 2026 and Nucleus Core (NU) on November 5, 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.*