# Implicit Differentiation Cal vs BukSU One

The clearest difference is update cadence: BukSU One at every 4 days against Implicit Differentiation Cal's every 9 months. Implicit Differentiation Cal's advantage is iOS requirement (13.0 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.

Implicit Differentiation Cal ships an update every 9 months, BukSU One every 4 days. The most recent releases landed on September 18, 2026 and July 16, 2026 respectively.

## The numbers

| Metric | Implicit Differentiation Cal | BukSU One |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 days** |
| Monetization | — | Free |
| Size | 24 MB | 125 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ahmad Sattar](https://appshunter.io/developer/1458483953) | [Kid Romart Mediante](https://appshunter.io/developer/1741265599) |

## What reviewers say

### Implicit Differentiation Cal

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

**Features:** macOS Compatibility

**In-app purchases:** none


### BukSU One

[App page](https://appshunter.io/ios/app/buksu-one/id6497566855)

This official university app provides a central point for students, faculty, and staff to access academic resources, administrative tools, and campus information. It offers a convenient way to connect with essential university services anytime, anywhere.

**Highlights:** Centralized access to online services, Academic resource portal, Administrative tools, Campus information hub, Convenient anytime access

**Features:** macOS Compatibility

**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 BukSU One free?

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

### Do Implicit Differentiation Cal or BukSU One have ads?

Neither Implicit Differentiation Cal nor BukSU One shows ads.

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

Implicit Differentiation Cal ships an update every 9 months, and BukSU One every 4 days. Most recently, Implicit Differentiation Cal was updated on September 18, 2026 and BukSU One on July 16, 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.*