# iDay vs QFlash

The clearest difference is ads: QFlash at none against iDay's shown. QFlash also leads on update cadence (every 9 days vs every 2 months). iDay's advantage is iOS requirement (15.6 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. iDay sells 1 one-off in-app purchase and QFlash sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

iDay ships an update every 2 months, QFlash every 9 days. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | iDay | QFlash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (71 ratings)](https://appshunter.io/ios/app/iday/id1458342824/reviews)** | — |
| Number of ratings | **71** | — |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 63 MB | 17 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [再锋 吴](https://appshunter.io/developer/1444700755) | [Pokai Lee](https://appshunter.io/developer/1826542407) |

## What reviewers say

### iDay

[App page](https://appshunter.io/ios/app/iday/id1458342824)

This app helps you focus and overcome procrastination using the Pomodoro Technique. It offers customizable timers, ambient sounds, and study modes to create a distraction-free environment for work and study.

**Highlights:** Pomodoro Technique timer (25 min focus, 5 min rest), Customizable focus and rest timers, Ambient soundscapes (waves, rain, forest, cafe), Study area with flip mode to prevent phone use, Task reminders and procrastination tools, Data statistics for tracking efforts

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级会员 | $2.99 | one-time |


### QFlash

[App page](https://appshunter.io/ios/app/qflash-quick-flashcards/id6751162061)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per month |
| Premium | $34.99 | per year |


## Frequently asked questions

### Is iDay free?

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

### Is QFlash free?

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

### Do iDay or QFlash have ads?

iDay shows ads; QFlash does not.

### Which is updated more often, iDay or QFlash?

iDay ships an update every 2 months, and QFlash every 9 days. Most recently, iDay was updated on November 2, 2026 and QFlash on November 8, 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.*