OneStamp vs PicMorph Coloring
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OneStamp
This app allows you to crop photos into unique stamp-shaped images. It encourages a new perspective by focusing on small details within a larger picture, revealing hidden emotions and stories. Transform everyday scenes into distinctive visual stamps.
- Stamp-shaped photo cropping
- Focus on image details
- Reframing everyday scenes
- Discover hidden emotions
- Unique visual perspective
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Sometimes, what moves us is not the whole photo, but a very small part of it. OneStamp helps you crop your photos into stamp-shaped images. With a simple frame, a familiar photo can take on a completely different feeling. You may begin to notice details that once went overlooked, and rediscover the emotions, textures, and stories hidden inside the image. Landscapes, plants, everyday objects, or even an unnoticed corner of daily life can all be reframed here and turned into a small stamp of your own. It is more than a simple crop. It is a different way to look at a photo. When you look closer, you may really start to see something different.
PicMorph Coloring
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PicMorph Coloring helps you turn photos, ideas, and words into beautiful coloring pages in seconds. Create clean line art and printable designs from your favorite photos, or generate unique coloring pages from text and names. Whether you're making something fun for kids, relaxing with creative activities, or designing printable content, PicMorph Coloring makes it simple and enjoyable. Features: • Turn photos into clean line art Convert portraits, pets, and everyday moments into high-quality outlines. • Create coloring pages from photos Automatically simplify details to produce printable coloring pages. • Generate from text or names Enter a prompt or name and get a unique coloring design. • High-quality export Save images or export A4 PDF files ready for printing. • Simple and fast Designed for a smooth, intuitive experience with fast processing. • Personal library Keep your creations organized, revisit, and download anytime. PicMorph Coloring is designed to be easy to use while delivering consistent, high-quality results. Start creating your own coloring pages today. EULA:https://picmorph.ai/legal/terms-of-service
Screenshots
Verdict
The clearest difference is update cadence: PicMorph Coloring at daily against OneStamp's weekly. 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. OneStamp sells 3 one-off in-app purchases and PicMorph Coloring sells 7 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
OneStamp ships an update weekly, PicMorph Coloring daily. The most recent releases landed on October 12, 2026 and September 26, 2026 respectively.
| Parameter | OneStamp | PicMorph Coloring |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (23 ratings) — better | — |
| Positive reviews | 96.0% of reviews | — |
| Number of ratings | 23 — better | — |
| Update frequency | Weekly | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 18.0 |
| Further details — not scored | ||
| Size | 38 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | 尉卿 褚 | HIROMOTO TSUJI |
In-app purchases
OneStamp
- Buy Me a Coffee$0.99
- OneStamp Pro$3.99
- OneStamp Pro$9.99
PicMorph Coloring
- Coloring Pro – Monthly$4.991 Month
- Coloring Pro – Yearly$39.901 Year
- Starter - 10 sparks$0.99
- Plus- 25 sparks$1.99
- Popular - 75 sparks$4.99
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- Power - 200 sparks$9.99
- Whale - 500 sparks$19.99









