Rainbowy vs SnapInbox
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.
SnapInbox
This app automatically collects every screenshot into a dedicated inbox for easy review, keeping, or deletion. It prioritizes privacy with on-device processing and limited photo access. An optional Pro version offers extended storage windows.
- Screenshot-only inbox
- Review, keep, or delete screenshots
- Home Screen widget
- On-device processing
- Limited Photos Access support
- Extended inbox window (Pro)
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SnapInbox helps you manage screenshots the way they were meant to be handled — as a temporary inbox. Every screenshot you take is automatically collected into a clean, focused list, so you can review, keep, or delete them when you’re ready. KEY FEATURES • Screenshot-only inbox • Review, keep, or delete with confirmation • Home Screen widget showing pending screenshots • On-device processing. No upload. No tracking. • Works with Limited Photos Access DESIGNED FOR CLARITY Screenshots are often temporary. SnapInbox treats them that way. No clutter, no distractions — just a simple inbox for quick decisions. SNAPINBOX PRO Unlock a longer inbox window to review screenshots beyond 7 days. • 30 / 90-day inbox window • One-time purchase • Everything stays on your device PRIVACY FIRST SnapInbox does not collect or upload your photos. All processing happens locally on your device. If you ever fall behind on reviewing screenshots, SnapInbox is here to help you catch up — calmly and privately.
Screenshots
Verdict
The clearest difference is price: SnapInbox at Free against Rainbowy's $0.99. Rainbowy's advantage is in-app purchases (none vs 2) and iOS requirement (12.0 vs 16.6). On review sentiment, update cadence, 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
SnapInbox is free to download; Rainbowy costs $0.99 up front. SnapInbox sells 2 one-off in-app purchases. Rainbowy asks for nothing beyond the download.
Rainbowy ships an update every 6 days, SnapInbox every 9 days. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.
| Parameter | Rainbowy | SnapInbox |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.9 (7 ratings) — better | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 7 — better | — |
| Update frequency | Every 6 days — better | Every 9 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 38 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Martin Koppenhoefer | 小旋 王 |
Customer experience
Rainbowy
SnapInbox
In-app purchases
Rainbowy
No in-app purchases
SnapInbox
- SnapInbox Premium$0.99
- SnapInbox Pro$1.99
