Oshidays byGMO vs #OSHI for fan activities
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Oshidays byGMO
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.
- 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
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This app lets you instantly see how many days have passed since you started supporting your favorite idol, while also tracking your fandom activities (anniversary dates) and managing your finances! Packed with features to support your fan activities, like diaries, merchandise purchase logs, and idol savings! Register as many idols as you like—your favorite idols, anime characters, manga characters, and more! Not just for diaries about memories with your idol, it's also perfect for recording important memories like couple anniversaries, wedding anniversaries, your child's growth, or memories with your pet. 【Features】 ◆ Register Multiple Idols Create up to 100 dedicated pages for each idol! Record not just when you started supporting them, but also anniversaries, their signature colors, favorite things, and more. Once registered, the app automatically counts the days since you started supporting them and counts down to important milestones like the 100-day anniversary or 1-year anniversary! On the anniversary day, be sure to share the screen with your friends or your idol! ◆Earn Gems for Each Favorite Watch video ads to earn gems, which you can exchange for various items. Watching videos on your favorite's dedicated page triggers a sparkling effect for them, making gem collection fun! ※Exchange options will be added gradually ◆Record Stories for Each Favorite Want to keep diary-like memories with your favorite? This app features a “Story” function for preserving those moments. Creating a story automatically counts up the days since that entry. You can also set a future date for a story to count down the days until then! Perfect for counting down to your favorite idol's live event! ◆Freely Customize Backgrounds and Text You can freely customize your favorite idol's dedicated page. If you can't find a background image you like, freely choose colors, add animated effects, and create your very own unique page!
#OSHI for fan activities
Easily track your fan activities and manage your spending. This app helps you record daily fan events, manage savings, and log expenses with features like monthly summaries and photo saving.
- Manage favorite fan details
- Record fan activities
- Track fan savings
- Log expenses
- Monthly summaries
- Save photos
- Calendar feature
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#OSHI is an app for easily recording daily fan activities. It allows for managing fan savings, activity logs, and expenses. [App Features] With #OSHI, you can: • Manage your favorite • Icon • Background image • Birthday • Start date • Notes • Record activities for your favorite • Monthly summaries • Track fan savings • Log fan activities • Save photos • Calendar feature
Screenshots
Verdict
The clearest difference is rating: Oshidays byGMO at 5.0 against #OSHI for fan activities's 4.0. Oshidays byGMO also leads on review sentiment (73% vs 58%) and monetization model (ad-supported vs free with in-app purchases). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Oshidays byGMO sells 1 in-app purchase, starting at $2.99 per month and #OSHI for fan activities sells 3 in-app purchases, 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 4.0. That said, the two scores are not equally well evidenced: Oshidays byGMO has 20 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 73% of Oshidays byGMO's written reviews are positive against 58% of #OSHI for fan activities's.
Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 16, 2026 and October 18, 2026 respectively.
| Parameter | Oshidays byGMO | #OSHI for fan activities |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (20 ratings) — better | 4.0 (2 ratings) |
| Positive reviews | 72.5% of reviews — better | 57.9% of reviews |
| Number of ratings | 20 — better | 2 |
| Update frequency | Weekly | Weekly |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 148 MB | 148 MB |
| Age rating | 4+ | 4+ |
| Developer | TownWiFi Inc. | Kaoru Matarai |
Customer experience
Oshidays byGMO
#OSHI for fan activities
In-app purchases
Oshidays byGMO
- Premium plan 1 month$2.991 Month
#OSHI for fan activities
- Monthly Plan7 Days trial$2.991 Month
- Yearly Plan7 Days trial$29.991 Year
- ライフタイムプラン$59.99
Questions
Is Oshidays byGMO free?
Is #OSHI for fan activities free?
Which has better reviews, Oshidays byGMO or #OSHI for fan activities?
Do Oshidays byGMO or #OSHI for fan activities have ads?
Which is updated more often, Oshidays byGMO or #OSHI for fan activities?
Other comparisons
