# Electrolyte Equilibria vs Noesis

The clearest difference is in-app purchases: Electrolyte Equilibria at none against Noesis's 2. Electrolyte Equilibria also leads on device support (4 vs 2). Noesis's advantage is update cadence (every 10 days vs every 3 months). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Noesis sells 2 in-app purchases, starting at $12.99 per month. Electrolyte Equilibria asks for nothing beyond the download.

Electrolyte Equilibria ships an update every 3 months, Noesis every 10 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Electrolyte Equilibria | Noesis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Size | 108 MB | 111 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Oleksandr Rubtsov](https://appshunter.io/developer/1823549572) | [Abhishek Chauhan](https://appshunter.io/developer/1886624177) |

## What reviewers say

### Electrolyte Equilibria

[App page](https://appshunter.io/ios/app/electrolyte-equilibria/id6754345279)

**Features:** Vision Pro support

**In-app purchases:** none


### Noesis

[App page](https://appshunter.io/ios/app/noesis-math-physics-finance/id6804661027)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Noesis Monthly | $12.99 | per month |
| Noesis Yearly | $34.99 | per year |


## Frequently asked questions

### Is Electrolyte Equilibria free?

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

### Is Noesis free?

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

### Do Electrolyte Equilibria or Noesis have ads?

Neither Electrolyte Equilibria nor Noesis shows ads.

### Which is updated more often, Electrolyte Equilibria or Noesis?

Electrolyte Equilibria ships an update every 3 months, and Noesis every 10 days. Most recently, Electrolyte Equilibria was updated on October 25, 2026 and Noesis on October 25, 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.*