# Pressure Calc vs Seeka

The clearest difference is update cadence: Seeka at every 2 months against Pressure Calc's every 80 months. Pressure Calc's advantage is iOS requirement (11.0 vs 15.0). 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.

Pressure Calc ships an update every 80 months, Seeka every 2 months. The most recent releases landed on October 20, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Pressure Calc | Seeka |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 80 months | **Every 2 months** |
| Size | 11 MB | 286 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Groundtruth Limited](https://appshunter.io/developer/894469722) | [Seeka Ltd](https://appshunter.io/developer/1435107806) |

## What reviewers say

### Pressure Calc

[App page](https://appshunter.io/ios/app/pressure-calc/id1109923919)

**Features:** macOS Compatibility

**In-app purchases:** none


### Seeka

[App page](https://appshunter.io/ios/app/seeka/id1435107807)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pressure Calc free?

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

### Is Seeka free?

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

### Do Pressure Calc or Seeka have ads?

Neither Pressure Calc nor Seeka shows ads.

### Which is updated more often, Pressure Calc or Seeka?

Pressure Calc ships an update every 80 months, and Seeka every 2 months. Most recently, Pressure Calc was updated on October 20, 2026 and Seeka on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*