Calc Bookmark vs Midudu
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calc Bookmark
This app disguises itself as a calculator to secretly store your website bookmarks. It uses a calculator interface for both its icon and startup, making it difficult for others to discover your hidden links.
- Calculator disguise
- Hidden bookmark storage
- Password protection
- Browser share integration
- Secure website access
Read full descriptionHide full description
【Looks like a calculator! Inside is a bookmark】 This application allows you to create hidden bookmarks on your calculator for websites you do not want others to know about! The icon, name, and startup screen are the calculator itself, so it is hard for people to know that it is a bookmark application. 【Use】 1 Set a password when you start the application for the first time. Never forget your password! Do not enter a password that starts with 0. Example: 0000, 012, 0801 2 Enter the password using the calculator keys, and tap the “=” key. 3 You can open the secret bookmark. 【Add bookmarks】 •Press the "+" button that appears when you open a bookmark. •Select this application from the browser's share button. ※We are not responsible for any problems that occur at bookmarked sites.
Midudu
This app offers a suite of practical image and video editing tools. Features include batch resizing, image stitching, text overlays, mosaic effects, and video to audio extraction. It provides a simple interface for quick edits and creative enhancements.
- Batch image resizing
- Stitch long images
- Add text to images
- Apply mosaic/blur effects
- Insert multiple images
- Extract audio from video
Read full descriptionHide full description
Midudu brings practical image and video tools together in one simple app. IMAGE TOOLS • Batch Resize: Change image dimensions and save the results. • Stitch Long Images: Join multiple images vertically and adjust their order and visible areas. • Add Text to Images: Add text and customize its font, color, size, and position. • Add Mosaic: Brush over an area to apply a mosaic or blur effect. • Insert Images: Add multiple images to a picture, then move, resize, and rotate them. • Add EXIF: View photo information and add selected details to an image as text. • Stamp-Style Images: Create images with a perforated stamp edge. • Create Blank Images: Choose custom dimensions and a background color. VIDEO TOOL • Video to MP3: Extract and save audio from a video. Midudu — Light Tools, enjoy unlimited use. Open a tool and get started.
Screenshots
Verdict
The clearest difference is ads: Midudu at none against Calc Bookmark's shown. Midudu also leads on update cadence (every 2 days vs weekly) and monetization model (free vs ad-supported). On price, rating, review sentiment and ratings volume 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.
On the App Store both sit at effectively the same score — 5.0 for Calc Bookmark against 5.0 for Midudu. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Calc Bookmark ships an update weekly, Midudu every 2 days. The most recent releases landed on October 14, 2026 and October 20, 2026 respectively.
| Parameter | Calc Bookmark | Midudu |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Weekly | Every 2 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 5 MB |
| Age rating | 9+ | 4+ |
| Developer | Sota Takasugi | chaoliang lan |
Customer experience
Calc Bookmark
Midudu
In-app purchases
Calc Bookmark
No in-app purchases
Midudu
No in-app purchases
