Rainbowy vs スマホで左手デバイス
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rainbowy
A minimalist drawing application for all ages, featuring a simple interface and classical music for a relaxing creative experience. Users can draw on photos and save their colorful creations with or without the background.
- Minimalist drawing interface
- Classical music relaxation
- Draw on photos
- Save drawings with/without background
- Shake to save functionality
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This is a very simple but fascinating drawing app, suitable for kids and grown ups of all ages. Enjoy the revolutionary, ultrasimple minimalistic interface and relax with quality classical music while you create colorful rainbow drawings. When you are finished, simply shake the device and your work is saved. Rainbowy also lets you draw on photos and save your results with or without the background. It is so easy and entertaining to make colorful sketches with this app.
スマホで左手デバイス
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スマホで左手デバイスを実現できるアプリです！
Screenshots
Verdict
The clearest difference is price: スマホで左手デバイス at Free against Rainbowy's $0.99. Rainbowy's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence, device support and iOS requirement 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
スマホで左手デバイス is free to download; Rainbowy costs $0.99 up front. スマホで左手デバイス sells 1 in-app purchase, starting at $4.99 per month. Rainbowy asks for nothing beyond the download.
Rainbowy ships an update every 6 days, スマホで左手デバイス weekly. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.
| Parameter | Rainbowy | スマホで左手デバイス |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.9 (7 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 6 days — better | Weekly |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 38 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | Martin Koppenhoefer | Keiichiro Fukuda |
In-app purchases
Rainbowy
No in-app purchases
スマホで左手デバイス
- 広告の削除と機能の追加$4.991 Month
