MySize vs Syde
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MySize
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MySizeは、自分の身体サイズをスマートに管理するアプリです。 【こんな人におすすめ】 ・オンラインショッピングでサイズ選びに迷う ・ブランドごとに違うサイズ表記を覚えられない ・店員にサイズを聞かれてもすぐに答えられない 【管理できるサイズ】 ・基本:身長・体重 ・帽子:頭囲 ・トップス:肩幅・胸囲・着丈・袖丈・首回り・裄丈 ・ボトムス:ウエスト・ヒップ・股上・股下・太もも幅・裾幅 ・シューズ:足長・足幅 ・アクセサリー:指輪サイズ(左右・各指)・手首周り 【特徴】 ・ブランドごとのサイズも登録可能 ・カテゴリごとにメモを追加できる ・データはすべて端末内に保存(外部送信なし) ・ダーク/ライトモード対応
Syde
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Syde brings small adventures back into your life. Every morning you get one "Side Quest" — visit a museum, step into a shop you always walk past, just sit on a park bench. Not required, but the kind of small thing that makes a day a little richer. Take on the quest, then capture it as a short video in the app. Watch others who tried the same quest, and cheer each other on with comments and likes. Following people you admire turns into little discoveries — "you can live like that too." Who it's for • Anyone whose days feel like a loop of "work (or school) and home" • People who want to try things but lack the nudge to start • Anyone who wants to step back from the noise of social media and add more real-world time What makes Syde different from typical social apps • The goal isn't time spent in the app — it's the number of real things you actually do. • No infinite scroll designed to melt your time away. • No leaderboards ranking people by followers or likes, and no shaming the days you skip. It's okay to have an off day. How it works 1. Pick a quest from the one that arrives each morning 2. Film a short video in the app 3. Post it and cheer on others who took the same quest 4. Look forward to "what will tomorrow's quest be?" Do one thing today you'll be glad you did. —— Syde is open to everyone — sign up with just your email. Got an invite code from a friend? Enter it to connect. Terms: https://syde.today/terms Privacy: https://syde.today/privacy Contact: syde.contact@miraistudio.co.jp
Screenshots
Verdict
The clearest difference is update cadence: Syde at every 2 weeks against MySize's every 4 months. On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
MySize ships an update every 4 months, Syde every 2 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | MySize | Syde |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 25 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Yushi Asao | Mirai Studio, Inc. |
In-app purchases
MySize
No in-app purchases
Syde
No in-app purchases









