# Implicit Differentiation Cal vs Paramashiva

The clearest difference is update cadence: Paramashiva at every 3 weeks against Implicit Differentiation Cal's every 9 months. Implicit Differentiation Cal's advantage is iOS requirement (13.0 vs 16.6). 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.

Implicit Differentiation Cal ships an update every 9 months, Paramashiva every 3 weeks. The most recent releases landed on September 18, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Implicit Differentiation Cal | Paramashiva |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Size | 24 MB | 49 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ahmad Sattar](https://appshunter.io/developer/1458483953) | [Emily Sudduth](https://appshunter.io/developer/1721274803) |

## What reviewers say

### Implicit Differentiation Cal

[App page](https://appshunter.io/ios/app/implicit-differentiation-cal/id1607963477)

**Features:** macOS Compatibility

**In-app purchases:** none


### Paramashiva

[App page](https://appshunter.io/ios/app/paramashiva/id6621180563)

**In-app purchases:** none


## Frequently asked questions

### Is Implicit Differentiation Cal free?

Implicit Differentiation Cal is free to download, with no in-app purchases.

### Is Paramashiva free?

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

### Do Implicit Differentiation Cal or Paramashiva have ads?

Neither Implicit Differentiation Cal nor Paramashiva shows ads.

### Which is updated more often, Implicit Differentiation Cal or Paramashiva?

Implicit Differentiation Cal ships an update every 9 months, and Paramashiva every 3 weeks. Most recently, Implicit Differentiation Cal was updated on September 18, 2026 and Paramashiva on September 20, 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.*