# Coves vs 数日

The clearest difference is price: Coves at Free against 数日's $0.99. Coves also leads on device support (3 vs 1). 数日's advantage is in-app purchases (none vs 3). On update cadence, ads and iOS requirement there is nothing between them.

Coves is free to download; 数日 costs $0.99 up front. Coves sells 3 in-app purchases, starting at $2.99 per month. 数日 asks for nothing beyond the download.

Coves ships an update fortnightly, 数日 every 8 days. The most recent releases landed on November 11, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Coves | 数日 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.2 (11 ratings)](https://appshunter.io/ios/app/coves-exam-focus-study-timer/id1400641344/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 113 MB | 8 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [朋 潘](https://appshunter.io/developer/1220314101) | [敏 闵](https://appshunter.io/developer/1750614571) |

## What reviewers say

### Coves

[App page](https://appshunter.io/ios/app/coves-exam-focus-study-timer/id1400641344)

This app helps students prepare for exams by breaking down large goals into manageable tasks, scheduling study sessions, and tracking focused study time. It provides visual feedback on progress, allowing users to see which subjects need more attention and stay motivated with focus timers and white noise.

**Highlights:** Break down large goals into tasks, Schedule tasks onto specific dates, Log focused study time, Review progress by subject, Pomodoro and countdown timers, White noise for focus, Syncs with Apple Watch

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Annual | $19.99 | per year |
| Lifetime Access | $29.99 | one-time |


### 数日

[App page](https://appshunter.io/ios/app/id6823877950)

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

**In-app purchases:** none


## Frequently asked questions

### Is Coves free?

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

### Is 数日 free?

数日 costs $0.99, with no in-app purchases.

### Do Coves or 数日 have ads?

Neither Coves nor 数日 shows ads.

### Which is updated more often, Coves or 数日?

Coves ships an update fortnightly, and 数日 every 8 days. Most recently, Coves was updated on November 11, 2026 and 数日 on November 6, 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.*