# decocom(デコカン)世界にひとつの着せ替えスマホ作成 vs Oshidays byGMO

The clearest difference is review sentiment: Oshidays byGMO at 73% against decocom(デコカン)世界にひとつの着せ替えスマホ作成's 17%. Oshidays byGMO also leads on rating (5.0 vs 3.0) and ratings volume (20 vs 2). decocom(デコカン)世界にひとつの着せ替えスマホ作成's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Oshidays byGMO sells 1 in-app purchase, starting at $2.99 per month. decocom(デコカン)世界にひとつの着せ替えスマホ作成 asks for nothing beyond the download.

Oshidays byGMO holds the better App Store score, 5.0 against 3.0. 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: 17% of decocom(デコカン)世界にひとつの着せ替えスマホ作成's written reviews are positive against 73% of Oshidays byGMO's.

decocom(デコカン)世界にひとつの着せ替えスマホ作成 ships an update every 10 days, Oshidays byGMO weekly. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | decocom(デコカン)世界にひとつの着せ替えスマホ作成 | Oshidays byGMO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/decocom/id484057211/reviews) | **[5.0 (20 ratings)](https://appshunter.io/ios/app/oshidays-bygmo/id1519067282/reviews)** |
| Number of ratings | 2 | **20** |
| Positive reviews | 16.7% of reviews | **72.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | **Free** | Ad-supported |
| Size | 50 MB | 148 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DECORATION COMPANY K.K.](https://appshunter.io/developer/484057214) | [TownWiFi Inc.](https://appshunter.io/developer/988737163) |

## What reviewers say

### decocom(デコカン)世界にひとつの着せ替えスマホ作成

[App page](https://appshunter.io/ios/app/decocom/id484057211)

Design and create personalized phone cases, keychains, and other merchandise using your favorite photos and illustrations. Easily swap out phone case designs to match your mood or event, perfect for "oshi-katsu" (fan activities) and unique gifts.

**Highlights:** Customizable phone case designs, Create "oshi-katsu" items, Design original merchandise, Use personal photos and illustrations, Official collaborations and materials, Variety of merchandise options

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

**In-app purchases:** none


### 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 decocom(デコカン)世界にひとつの着せ替えスマホ作成 free?

decocom(デコカン)世界にひとつの着せ替えスマホ作成 is free to download, with no in-app purchases.

### Is Oshidays byGMO free?

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

### Which has better reviews, decocom(デコカン)世界にひとつの着せ替えスマホ作成 or Oshidays byGMO?

Oshidays byGMO is rated higher. decocom(デコカン)世界にひとつの着せ替えスマホ作成 averages 3.0 out of 5 from 2 ratings, while Oshidays byGMO averages 5.0 from 20 ratings.

### Do decocom(デコカン)世界にひとつの着せ替えスマホ作成 or Oshidays byGMO have ads?

Oshidays byGMO shows ads; decocom(デコカン)世界にひとつの着せ替えスマホ作成 does not.

### Which is updated more often, decocom(デコカン)世界にひとつの着せ替えスマホ作成 or Oshidays byGMO?

decocom(デコカン)世界にひとつの着せ替えスマホ作成 ships an update every 10 days, and Oshidays byGMO weekly. Most recently, decocom(デコカン)世界にひとつの着せ替えスマホ作成 was updated on October 8, 2026 and Oshidays byGMO on October 16, 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.*