# CTAlum Store vs Unique Days

The clearest difference is in-app purchases: CTAlum Store at none against Unique Days's 1. Unique Days's advantage is update cadence (monthly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Unique Days sells 1 one-off in-app purchase. CTAlum Store asks for nothing beyond the download.

CTAlum Store ships an update every 4 months, Unique Days monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | CTAlum Store | Unique Days |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/unique-days/id6737198411/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 22 MB | 61 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [I-tea Technology](https://appshunter.io/developer/942367509) | [培钦 康](https://appshunter.io/developer/1770425492) |

## What reviewers say

### CTAlum Store

[App page](https://appshunter.io/ios/app/ctalum-store/id6467729984)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is CTAlum Store free?

CTAlum Store is free to download, with no in-app purchases.

### Is Unique Days free?

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

### Do CTAlum Store or Unique Days have ads?

Neither CTAlum Store nor Unique Days shows ads.

### Which is updated more often, CTAlum Store or Unique Days?

CTAlum Store ships an update every 4 months, and Unique Days monthly. Most recently, CTAlum Store was updated on November 3, 2026 and Unique Days on October 30, 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.*