# Unique Days vs ScanBig

The clearest difference is update cadence: ScanBig at fortnightly against Unique Days's monthly. Unique Days's advantage is iOS requirement (12.0 vs 15.6). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Unique Days sells 1 one-off in-app purchase and ScanBig sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Unique Days against 5.0 for ScanBig. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Unique Days ships an update monthly, ScanBig fortnightly. The most recent releases landed on September 8, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Unique Days | ScanBig |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/unique-days/id6737198411/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/scanbig/id6739180761/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 61 MB | 28 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [培钦 康](https://appshunter.io/developer/1770425492) | [杭州引力网络技术有限公司](https://appshunter.io/developer/1133518651) |

## What reviewers say

### Unique Days

[App page](https://appshunter.io/ios/app/unique-days/id6737198411)

Easily track and countdown to important dates with a user-friendly interface and customizable widgets. Visualize upcoming events with a calendar view and enjoy local data storage for privacy and offline access.

**Highlights:** Home screen widgets, Countdown timers, Event reminders, Customizable backgrounds, Calendar view, Local data storage, Intuitive interface

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 终身会员 | $0.99 | one-time |


### ScanBig

[App page](https://appshunter.io/ios/app/scanbig/id6739180761)

This app helps you reclaim storage space by identifying and managing large media files like photos and videos. It offers smart scanning, quick deletion, and iCloud integration to efficiently clean up your device.

**Highlights:** Smart scanning for large files, Supports photos and videos, Quick deletion of unwanted files, iCloud integration, Multilingual support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ScanBig VIP | $3.99 | one-time |


## Frequently asked questions

### Is Unique Days free?

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

### Is ScanBig free?

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

### Which has better reviews, Unique Days or ScanBig?

Unique Days and ScanBig are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Unique Days or ScanBig have ads?

Neither Unique Days nor ScanBig shows ads.

### Which is updated more often, Unique Days or ScanBig?

Unique Days ships an update monthly, and ScanBig fortnightly. Most recently, Unique Days was updated on September 8, 2026 and ScanBig on September 11, 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.*