# Moments Countdown vs OneImportantThing

The clearest difference is update cadence: OneImportantThing at every 3 weeks against Moments Countdown's every 2 months. Moments Countdown's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Moments Countdown sells 2 in-app purchases, starting at $2.99 per year and OneImportantThing sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Moments Countdown ships an update every 2 months, OneImportantThing every 3 weeks. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Moments Countdown | OneImportantThing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/moments-countdown/id6504735973/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 74 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [RGP Apps](https://appshunter.io/developer/1698412460) | [Hoshaiah Domingo](https://appshunter.io/developer/1860535479) |

## What reviewers say

### Moments Countdown

[App page](https://appshunter.io/ios/app/moments-countdown/id6504735973)

Easily track important dates with countdowns and count-ups for any milestone. Personalize your experience with custom backgrounds, reminders, and widgets. Share your moments with friends and family.

**Highlights:** Configurable home screen widgets, Cloud backup and cross-device syncing, Customizable reminders, Countdown and count-up timers, Recurring event support, Personalized backgrounds

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual | $2.99 | per year |
| Lifetime | $4.99 | one-time |


### OneImportantThing

[App page](https://appshunter.io/ios/app/oneimportantthing/id6760181640)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $1.99 | per month |
| Lifetime Premium | $4.99 | one-time |


## Frequently asked questions

### Is Moments Countdown free?

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

### Is OneImportantThing free?

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

### Do Moments Countdown or OneImportantThing have ads?

Neither Moments Countdown nor OneImportantThing shows ads.

### Which is updated more often, Moments Countdown or OneImportantThing?

Moments Countdown ships an update every 2 months, and OneImportantThing every 3 weeks. Most recently, Moments Countdown was updated on November 4, 2026 and OneImportantThing 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.*