# CalendarThis vs Days Left

The clearest difference is iOS requirement: CalendarThis at 15.0 against Days Left's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. CalendarThis sells 1 in-app purchase, starting at $0.99 per month and Days Left sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

CalendarThis ships an update every 9 days, Days Left fortnightly. The most recent releases landed on October 25, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | CalendarThis | Days Left |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Size | 42 MB | 10 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aziz Ahmad](https://appshunter.io/developer/1855492252) | [Ertugrul Sari](https://appshunter.io/developer/1802366246) |

## What reviewers say

### CalendarThis

[App page](https://appshunter.io/ios/app/calendarthis/id6755679219)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalendarThis Pro Monthly | $0.99 | per month |


### Days Left

[App page](https://appshunter.io/ios/app/days-left-year-and-countdowns/id6786402722)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $5.99 | per 7 days |
| Lifetime Access | $19.99 | one-time |


## Frequently asked questions

### Is CalendarThis free?

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

### Is Days Left free?

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

### Do CalendarThis or Days Left have ads?

Neither CalendarThis nor Days Left shows ads.

### Which is updated more often, CalendarThis or Days Left?

CalendarThis ships an update every 9 days, and Days Left fortnightly. Most recently, CalendarThis was updated on October 25, 2026 and Days Left on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*