# TheDayBefore (days countdown) vs Oshidays byGMO

The clearest difference is ratings volume: TheDayBefore (days countdown) at 1.1K against Oshidays byGMO's 20. TheDayBefore (days countdown) also leads on review sentiment (86% vs 73%) and update cadence (every 4 days vs every 8 days). Oshidays byGMO's advantage is rating (5.0 vs 4.8) and monetization model (ad-supported vs free with in-app purchases). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. TheDayBefore (days countdown) sells 2 in-app purchases, starting at $1.49 per month and Oshidays byGMO sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Oshidays byGMO holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: TheDayBefore (days countdown) has 1.1K ratings behind it against 20, so its average is the more settled of the two. Written reviews complicate that: 86% of TheDayBefore (days countdown)'s written reviews are positive against 73% of Oshidays byGMO's, so the app with the better star average is not the one people write more warmly about.

TheDayBefore (days countdown) ships an update every 4 days, Oshidays byGMO every 8 days. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | TheDayBefore (days countdown) | Oshidays byGMO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (1.1K ratings)](https://appshunter.io/ios/app/thedaybefore-days-countdown/id991283955/reviews) | **[5.0 (20 ratings)](https://appshunter.io/ios/app/oshidays-bygmo/id1519067282/reviews)** |
| Number of ratings | **1.1K** | 20 |
| Positive reviews | **86.0% of reviews** | 72.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 8 days |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 338 MB | 149 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TheDayBefore, Inc.](https://appshunter.io/developer/991283954) | [TownWiFi Inc.](https://appshunter.io/developer/988737163) |

## What reviewers say

### TheDayBefore (days countdown)

[App page](https://appshunter.io/ios/app/thedaybefore-days-countdown/id991283955)

Easily manage important dates and countdown to special events with customizable widgets and decorative options. Record memories, share milestones with loved ones, and organize your schedule by category. Never miss a precious moment again.

**Highlights:** Customizable D-Day countdowns, Lock screen and home screen widgets, Multiple calculation methods (days, months, weeks), Event decoration with stickers and effects, Story feature for recording memories with photos, Sharing of D-Day events, Category-based event grouping

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic (1-Month Plan) | $1.49 | per month |
| Remove Ads | $9.99 | one-time |


### Oshidays byGMO

[App page](https://appshunter.io/ios/app/oshidays-bygmo/id1519067282)

Track your fandom activities and celebrate anniversaries with your favorite idols or characters. Log memories, manage merchandise purchases, and set savings goals. Customize pages and earn in-app currency by watching ads.

**Highlights:** Register multiple idols/characters, Automatic day counting for support and anniversaries, Diary and memory logging, Merchandise purchase tracking, Idol savings management, Customizable backgrounds and text, Earn gems by watching ads

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium plan 1 month | $2.99 | per month |


## Frequently asked questions

### Is TheDayBefore (days countdown) free?

TheDayBefore (days countdown) is free to download, with in-app purchases available.

### Is Oshidays byGMO free?

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

### Which has better reviews, TheDayBefore (days countdown) or Oshidays byGMO?

Oshidays byGMO is rated higher. TheDayBefore (days countdown) averages 4.8 out of 5 from 1.1K ratings, while Oshidays byGMO averages 5.0 from 20 ratings.

### Do TheDayBefore (days countdown) or Oshidays byGMO have ads?

Both TheDayBefore (days countdown) and Oshidays byGMO show ads.

### Which is updated more often, TheDayBefore (days countdown) or Oshidays byGMO?

TheDayBefore (days countdown) ships an update every 4 days, and Oshidays byGMO every 8 days. Most recently, TheDayBefore (days countdown) was updated on November 6, 2026 and Oshidays byGMO on November 7, 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.*