# Date Calendar Calculator vs AI Note Quizzes

The clearest difference is ads: AI Note Quizzes at none against Date Calendar Calculator's shown. AI Note Quizzes also leads on rating (5.0 vs 4.8). Date Calendar Calculator's advantage is ratings volume (30 vs 1). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Date Calendar Calculator sells 1 one-off in-app purchase and AI Note Quizzes sells 6 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AI Note Quizzes holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Date Calendar Calculator has 30 ratings behind it against 1, so its average is the more settled of the two.

Date Calendar Calculator ships an update every 3 weeks, AI Note Quizzes every 5 weeks. The most recent releases landed on October 23, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Date Calendar Calculator | AI Note Quizzes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (30 ratings)](https://appshunter.io/ios/app/date-calendar-calculator/id1472858405/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai-note-quizzes-notebuzz/id6755409432/reviews)** |
| Number of ratings | **30** | 1 |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | Freemium |
| Size | 37 MB | 101 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yuno Solutions Sdn Bhd](https://appshunter.io/developer/1186235086) | [Garrison Whipple](https://appshunter.io/developer/1012298610) |

## What reviewers say

### Date Calendar Calculator

[App page](https://appshunter.io/ios/app/date-calendar-calculator/id1472858405)

This app helps you calculate date and time durations, add or subtract time from dates, and determine working days. It also converts between calendars and time zones, and estimates ovulation and pregnancy due dates. The design is simple and intuitive.

**Highlights:** Calculate date and time durations, Add/subtract time from dates, Calculate working days, Convert between calendars, Convert time zones, Estimate ovulation and pregnancy due dates, Calculate current age

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version  Ad-free | $2.99 | one-time |


### AI Note Quizzes

[App page](https://appshunter.io/ios/app/ai-note-quizzes-notebuzz/id6755409432)

Transform your notes, documents, and lecture recordings into organized study materials like flashcards and quizzes. This AI-powered companion helps you master subjects faster and improve exam performance through smart review systems and flexible study modes.

**Highlights:** AI-powered flashcard generation, Quiz mode with spaced repetition, Voice lecture transcription and study, Multi-source note organization, Home screen quiz widget, Flexible study modes

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $6.99 | per 7 days |
| Monthly Premium | $9.99 | per month |
| Yearly Premium | $29.99 | per year |
| Yearly Premium | $39.99 | per year |
| Yearly Premium | $49.99 | per year |
| Yearly Premium | $59.99 | per year |


## Frequently asked questions

### Is Date Calendar Calculator free?

Date Calendar Calculator is free to download, with in-app purchases available.

### Is AI Note Quizzes free?

AI Note Quizzes is free to download, with in-app purchases available.

### Which has better reviews, Date Calendar Calculator or AI Note Quizzes?

AI Note Quizzes is rated higher. Date Calendar Calculator averages 4.8 out of 5 from 30 ratings, while AI Note Quizzes averages 5.0 from 1 ratings.

### Do Date Calendar Calculator or AI Note Quizzes have ads?

Date Calendar Calculator shows ads; AI Note Quizzes does not.

### Which is updated more often, Date Calendar Calculator or AI Note Quizzes?

Date Calendar Calculator ships an update every 3 weeks, and AI Note Quizzes every 5 weeks. Most recently, Date Calendar Calculator was updated on October 23, 2026 and AI Note Quizzes on October 22, 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.*