Sketch Master vs O2O
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sketch Master
Transform your photos into unique sketch or cartoon avatars with over 60 artistic filters. Easily edit and share your creations, making ordinary pictures extraordinary.
- 60+ sketch and cartoon effects
- Pencil sketch filters
- Color pencil sketch filters
- Comic book style filters
- Multiple cropping options
- Adjustable image quality
- Image editing and sharing
Read full descriptionHide full description
SKETCH MASTER is a simple, funny app that lets you convert your photos into sketch or cartoon avatars by applying up to 60 different image effects filters. ------WHAT ARE THEY SAYING: (1) Awesome review [5-Stars] [from US] by Reporteroverandout This app works very good it will turn a old an boring pic of yours into something totally new! Ok so now u haw read this crazy review..... So go ahead and download the app I have had 0 problems with it:) (2) Amazing and Easy! [5-Stars] [from US] by Gracie_elizabeth This app is the best sketch app ever! You know how to use it right from the start and the pictures turn out wonderful! This is THE BEST and I mean THE BEST,(no joke), THE BEST sketch pic app ever! (3) Photosketch [5-Stars] [from UK] by Zohaib Rehman It's a good if its the right one for you but personally I think that it's a good app for my use and I kind of liked intact some people just download this app and take a pic from the Internet and sketch it ... (4) Awesome! [5-Stars] [from Germany] by alex.ellis A really awesome app for messing around with photography! I highly recommend this as a replacement for photobooth and instagram!!! LOVE IT!!! (5) Fantastic!!!!! [5-Stars] [from US] by Connie S!!! This app is the best ever!!! It is so easy to use I freaking love it!!!! ------Main Features: - 60+ different sketch & cartoon effects: Pencil Sketch,Color Pencil Sketch, Skateboards Sketch,Crayon Sketch,Comic Black-White Sketch, Gouache Sketch,Water Color Sketch,Blue Art Sketch,Frame Sketch,Bricks Wall Sketch,Smooth Sketch,Posterize Sketch, Gamma Sketch, Black & White Sketch, Black & White Photo, Reverse Color, Memory Style Photo,etc. - 5 Ways to crop photos (1:1 4:3 3:4 16:9 9:16), three kinds of image quality level (high / medium / low) to save photos - Support image editing and sharing to networks - Easy to Use The Sketch effects can be applied to any image. Please send all feedback and suggestions to cgx615@foxmail.com . We love to hear your ideas.
O2O
Read full descriptionHide full description
แอปพลิเคชันสำหรับใช้จ่ายเงินซื้อสินค้าในร้านค้าของ CMU O2O สามารถสแกน QR Code เพื่อจ่ายเงิน สามารถดูประวัติการใช้จ่ายย้อนหลัง สามารถเติมเงินเข้าบัตรเสมือนได้
Screenshots
Verdict
The clearest difference is in-app purchases: O2O at none against Sketch Master's 1. O2O also leads on ads (none vs shown) and update cadence (weekly vs every 7 months). On price, 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
Both are free to download. Sketch Master sells 1 one-off in-app purchase. O2O asks for nothing beyond the download.
Sketch Master ships an update every 7 months, O2O weekly. The most recent releases landed on October 29, 2026 and October 11, 2026 respectively.
| Parameter | Sketch Master | O2O |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (2K ratings) — better | — |
| Positive reviews | 87.0% of reviews | — |
| Number of ratings | 2K — better | — |
| Update frequency | Every 7 months | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 78 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | 立明 张 | BANANA SOFTWARE COMPANY LIMITED |
Bugs and requests
Sketch Master
Reported bugs
3 issues- App freezes when saving or exporting images
- Certain filters and effects not working as expected
- Compatibility issues with latest iOS versions
Requested features
4 requests- More sketch and drawing tools
- Ability to edit background separately
- Improved stability and fewer crashes
- Reduced ads and less intrusive monetization
O2O
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sketch Master
- Upgrade To Pro$1.99
O2O
No in-app purchases
