# p vs Surface Explorer

The clearest difference is update cadence: Surface Explorer at every 2 weeks against p's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

p ships an update every 5 months, Surface Explorer every 2 weeks. The most recent releases landed on October 31, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | p | Surface Explorer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/p-adelic/id6764312694/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 12 MB | 62 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Practically Zen, LLC](https://appshunter.io/developer/1833874358) | [GAETANO MOSCHETTI](https://appshunter.io/developer/6787015299) |

## What reviewers say

### p

[App page](https://appshunter.io/ios/app/p-adelic/id6764312694)

Visualize numbers in their real and p-adic completions simultaneously. Explore digits in base p, analyze algebraic numbers, and delve into special functions. Offers a library of examples and is designed for privacy.

**Highlights:** Adelic strip visualization, Streaming precision up to 200 digits, Analysis of algebraic numbers and polynomials, Deep dive into number theory concepts, Library of worked examples, On-device computation for privacy

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

**In-app purchases:** none


### Surface Explorer

[App page](https://appshunter.io/ios/app/surface-explorer/id6787015297)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is p free?

p is free to download, with no in-app purchases.

### Is Surface Explorer free?

Surface Explorer is free to download, with no in-app purchases.

### Do p or Surface Explorer have ads?

Neither p nor Surface Explorer shows ads.

### Which is updated more often, p or Surface Explorer?

p ships an update every 5 months, and Surface Explorer every 2 weeks. Most recently, p was updated on October 31, 2026 and Surface Explorer on October 21, 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.*