# IACUBUS vs StudySprint

The clearest difference is in-app purchases: IACUBUS at none against StudySprint's 3. StudySprint's advantage is update cadence (every 4 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. StudySprint sells 3 in-app purchases, starting at $9.99 per month. IACUBUS asks for nothing beyond the download.

IACUBUS ships an update every 3 months, StudySprint every 4 days. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | IACUBUS | StudySprint |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 22 MB | 52 MB |
| Requires iOS | **14.0.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jakub Niewelt](https://appshunter.io/developer/1742814360) | [Nadja Felk](https://appshunter.io/developer/1869902294) |

## What reviewers say

### IACUBUS

[App page](https://appshunter.io/ios/app/iacubus/id6499224968)

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

**In-app purchases:** none


### StudySprint

[App page](https://appshunter.io/ios/app/studysprint-flashcards/id6757953267)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StudySprint Premium - Monthly | $9.99 | per month |
| StudySprint Premium - Semester | $24.99 | per 3 months |
| StudySprint Premium - Yearly | $49.99 | per year |


## Frequently asked questions

### Is IACUBUS free?

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

### Is StudySprint free?

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

### Do IACUBUS or StudySprint have ads?

Neither IACUBUS nor StudySprint shows ads.

### Which is updated more often, IACUBUS or StudySprint?

IACUBUS ships an update every 3 months, and StudySprint every 4 days. Most recently, IACUBUS was updated on October 9, 2026 and StudySprint on October 12, 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.*