# Study Calculator vs nocki Vision

The clearest difference is update cadence: nocki Vision at every 2 weeks against Study Calculator's every 6 months. Study Calculator's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Study Calculator ships an update every 6 months, nocki Vision every 2 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Study Calculator | nocki Vision |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Size | 140 MB | 70 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [yuhwa kim](https://appshunter.io/developer/1790011092) | [Trustay Co.,Ltd](https://appshunter.io/developer/1610652922) |

## What reviewers say

### Study Calculator

[App page](https://appshunter.io/ios/app/study-calculator-sci-and-gpa/id6753039593)

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

**In-app purchases:** none


### nocki Vision

[App page](https://appshunter.io/ios/app/nocki-vision/id6759699358)

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

**In-app purchases:** none


## Frequently asked questions

### Is Study Calculator free?

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

### Is nocki Vision free?

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

### Do Study Calculator or nocki Vision have ads?

Neither Study Calculator nor nocki Vision shows ads.

### Which is updated more often, Study Calculator or nocki Vision?

Study Calculator ships an update every 6 months, and nocki Vision every 2 weeks. Most recently, Study Calculator was updated on October 30, 2026 and nocki Vision on October 31, 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.*