# Daymark vs SinceUntil

The clearest difference is update cadence: Daymark at every 2 days against SinceUntil's every 2 months. Daymark also leads on iOS requirement (18.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Daymark sells 1 one-off in-app purchase and SinceUntil sells 3 in-app purchases, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

Daymark ships an update every 2 days, SinceUntil every 2 months. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Daymark | SinceUntil |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sinceuntil-event-countdown/id6760566938/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 months |
| Monetization | — | Freemium |
| Size | 40 MB | 9 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Sebastian Sjoqvist](https://appshunter.io/developer/1883347846) | [Walter Sysko](https://appshunter.io/developer/1885028901) |

## What reviewers say

### Daymark

[App page](https://appshunter.io/ios/app/daymark-dates-that-matter/id6760224226)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Daymark Premium | $4.99 | one-time |


### SinceUntil

[App page](https://appshunter.io/ios/app/sinceuntil-event-countdown/id6760566938)

Visually track upcoming events or past milestones with customizable widgets. Create countdowns for anything, import from calendars, and share your progress. Offers a native iOS experience with a focus on privacy.

**Highlights:** Home, Lock Screen, and StandBy widgets, Count down to future events, Count up from past milestones, Calendar event import, Recurring event tracking, Customizable colors and icons, Shareable countdowns

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SinceUntil Pro | $0.49 | per month |
| SinceUntil Pro | $2.99 | per year |
| SinceUntil Pro | $5.99 | one-time |


## Frequently asked questions

### Is Daymark free?

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

### Is SinceUntil free?

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

### Do Daymark or SinceUntil have ads?

Neither Daymark nor SinceUntil shows ads.

### Which is updated more often, Daymark or SinceUntil?

Daymark ships an update every 2 days, and SinceUntil every 2 months. Most recently, Daymark was updated on November 9, 2026 and SinceUntil on October 31, 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.*