S's SPA vs Tsukibyobu
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
S's SPA
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S's SPA(シーズスパ)の公式アプリです。 【概要】 ■アプリ上から24時間いつでも予約が可能 指名予約にも対応しているので担当スタッフのスケジュールを確認してからの予約が可能です。 ■クーポン お得なクーポンが配信されます。ネット予約時にクーポン利用での予約も可能なので来店時もスムーズに施術頂けます。 ■スタッフが施術したギャラリーを掲載 前もって画像を確認しておけばスムーズなオーダーが可能です。 ■マイページ機能 予約状況の確認やキャンセルがマイページ上から行えます。スタッフの登録が出来るので前もって担当者を登録しておけばマイページからスムーズな指名予約が可能です。
Tsukibyobu
This app transforms your device into a Japanese folding screen displaying a dynamic night sky. The moon's phase changes with the device's fold or a screen slider, accompanied by seasonal music and narrated stories. Enjoy a serene, ad-free experience with beautiful Rinpa-style art.
- Dynamic moon phase display
- Rinpa school art style
- Seasonal music and stories
- Interactive moon phase narration
- Foldable device integration
- Slider for non-foldable devices
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Tsukibyobu turns the iPhone in your hand into a byobu, a Japanese folding screen, and hangs a night inside it. Closed, it is the new moon. Open, the full. On a foldable iPhone the hinge angle becomes the phase of the moon: open it a little for a crescent, halfway for the first quarter, all the way for the full moon. Stand it half-open on your desk and the two displays become the two panels of a screen. The paintings follow the Rinpa school: tarnished gold-leaf mist, ultramarine and malachite hills, a silver-leaf moon, gold dust across the night sky. Mt. Fuji and a lake, Higashiyama, a pine beach, a mountain village. Plum in spring, irises in summer, pampas grass in autumn, snow-laden bamboo in winter. Touch the moon and it tells you a story about tonight's phase. Turn on the sound for a faint, koto-like music whose scale changes with the season: brighter in spring, quieter in winter. On your Home Screen, Tonight's Moon hangs the real moon over your byobu, waxing and waning with the sky, including the waning nights after the full moon. No notifications, no ads, no sign-in. Set it down, watch, and close it when the night is over. On iPhones that do not fold, a slider at the bottom of the screen opens the moon.
Screenshots
Verdict
The clearest difference is in-app purchases: S's SPA at none against Tsukibyobu's 1. S's SPA also leads on iOS requirement (13.0 vs 27.0). Tsukibyobu's advantage is update cadence (daily vs every 18 months). On price, ads 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. Tsukibyobu sells 1 one-off in-app purchase. S's SPA asks for nothing beyond the download.
S's SPA ships an update every 18 months, Tsukibyobu daily. The most recent releases landed on November 7, 2026 and November 11, 2026 respectively.
| Parameter | S's SPA | Tsukibyobu |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 18 months | Daily — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 27.0 |
| Further details — not scored | ||
| Size | 3 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | LIFE DESIGN FACTORY, K.K. | Yosuke Fujii |
In-app purchases
S's SPA
No in-app purchases
Tsukibyobu
- Sound Box$2.99









