# Quick Math Exercise vs HeyDay

The clearest difference is in-app purchases: Quick Math Exercise at none against HeyDay's 2. Quick Math Exercise also leads on update cadence (every 10 days vs every 2 months) and iOS requirement (13.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. HeyDay sells 2 in-app purchases, starting at $3.99 per month. Quick Math Exercise asks for nothing beyond the download.

Quick Math Exercise ships an update every 10 days, HeyDay every 2 months. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Quick Math Exercise | HeyDay |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 68 MB | 147 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Chandrika Dalwadi](https://appshunter.io/developer/1653431404) | [Hayble](https://appshunter.io/developer/1829451434) |

## What reviewers say

### Quick Math Exercise

[App page](https://appshunter.io/ios/app/quick-math-exercise/id6475219006)

**Features:** macOS Compatibility

**In-app purchases:** none


### HeyDay

[App page](https://appshunter.io/ios/app/heyday-ai-english-diary/id6766733677)

Build English fluency by writing a daily diary entry, even with just one sentence. Receive AI-powered feedback on grammar and natural phrasing. Practice re-writing and save new vocabulary to make learning stick.

**Highlights:** Daily diary writing for English practice, AI-powered grammar and nuance correction, Voice input for spoken practice, Re-writing exercises, Personalized vocabulary list, Private and secure diary storage

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Heyday - 프리미엄 월간 구독 | $3.99 | per month |
| Heyday - 프리미엄 연간 구독 | $39.99 | per year |


## Frequently asked questions

### Is Quick Math Exercise free?

Quick Math Exercise is free to download, with no in-app purchases.

### Is HeyDay free?

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

### Do Quick Math Exercise or HeyDay have ads?

Neither Quick Math Exercise nor HeyDay shows ads.

### Which is updated more often, Quick Math Exercise or HeyDay?

Quick Math Exercise ships an update every 10 days, and HeyDay every 2 months. Most recently, Quick Math Exercise was updated on October 7, 2026 and HeyDay on October 14, 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.*