# Constructor University vs Recall

The clearest difference is in-app purchases: Constructor University at none against Recall's 1. Constructor University also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Recall sells 1 one-off in-app purchase. Constructor University asks for nothing beyond the download.

Constructor University ships an update fortnightly, Recall weekly. The most recent releases landed on October 28, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Constructor University | Recall |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/constructor-university/id6757530379/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 61 MB | 7 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [IntraKey technologies AG](https://appshunter.io/developer/899101212) | [AU ALLGO PTY LTD](https://appshunter.io/developer/1773620373) |

## What reviewers say

### Constructor University

[App page](https://appshunter.io/ios/app/constructor-university/id6757530379)

Manage your digital identity and financial transactions securely. This app allows for easy fund transfers, balance checks, and expense tracking, all protected by advanced security measures. It offers a smooth onboarding process for quick setup and efficient fund management.

**Highlights:** Secure digital ID management, Fast and secure payments, Add funds from multiple methods, Real-time money transfers, Expense tracking, Smooth onboarding process

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

**In-app purchases:** none


### Recall

[App page](https://appshunter.io/ios/app/recall-flashcard-and-study-app/id6759892918)

This app uses an advanced spaced repetition algorithm to help you study more effectively. It schedules reviews precisely when you're about to forget, offers a visually engaging review experience, and supports importing and exporting flashcards from various file formats.

**Highlights:** FSRS-5 spaced repetition algorithm, Intuitive card review with animations, Home screen widget for quick access, Import/export flashcards from files, Study streak tracking and reminders, iCloud sync across devices, Mastery tracking and progress visualization

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Recall Premium | $2.99 | one-time |


## Frequently asked questions

### Is Constructor University free?

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

### Is Recall free?

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

### Do Constructor University or Recall have ads?

Neither Constructor University nor Recall shows ads.

### Which is updated more often, Constructor University or Recall?

Constructor University ships an update fortnightly, and Recall weekly. Most recently, Constructor University was updated on October 28, 2026 and Recall on October 19, 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.*