FP viewer vs Doodle Tree
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FP viewer
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This application for confirmation of feature matching. The application has AKAZE, ORB, and BRISK feature extraction methods. You can use it in a lecture.
Doodle Tree
This app provides a digital canvas for children to explore their creativity through drawing and painting. It offers a variety of colorful brushes and tools to help develop their thinking and observational skills.
- Over 60 colorful and creative brushes
- Undo and redo functionality
- Freedom to draw and paint
- Easy to use interface
- Develops thinking and observation skills
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Drawings and painting is an important thing in children's early education. Painting helps the child thinking, perception and the ability to develop observation, parents consciously teach children painting can develop children's intelligence. Doodle Tree is a helpful drawings app for kids to learn drawings and hand painting. There are a full range of fluorescent brushes, more than 60 beautiful graffiti brushes, easy to use, rich and colorful, full of endless creativity, let children soar in the magical ocean, this is what the child wants. Also, it is very suitable for relaxing. You can draw freedomly, dreamy and forget anythings. Features: 1. More than 60 brushes, colorful and creative. 2. Arbitrarily revoke and redo, draw anything you want to draw. 3. Drawing and painting freedomly, very easy to use.
Screenshots
Verdict
The clearest difference is update cadence: Doodle Tree at every 2 months against FP viewer's every 48 months. Doodle Tree also leads on iOS requirement (8.0 vs 15.6). 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.
FP viewer ships an update every 48 months, Doodle Tree every 2 months. The most recent releases landed on October 3, 2026 and October 17, 2026 respectively.
| Parameter | FP viewer | Doodle Tree |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.6 (658 ratings) — better |
| Positive reviews | — | 81.7% of reviews |
| Number of ratings | — | 658 — better |
| Update frequency | Every 48 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 8.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Hiroaki SAWANO | guangxie chen |
Bugs and requests
FP viewer
Not enough reviews yet to summarise bugs or requests.
Doodle Tree
Reported bugs
2 issues- Ads that activate on their own
- Compatibility issues with older devices
Requested features
3 requests- Ability to zoom in and out
- Option to save and share drawings
- More customization options
In-app purchases
FP viewer
No in-app purchases
Doodle Tree
No in-app purchases
