KingBladeBLE vs FourCropper
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KingBladeBLE
Create, customize, and share infinite luminous colors for your concert penlight. Adjust RGBW or RY color balances to design unique light patterns and save them to your device. Share your creations with others via QR code.
- Infinite color tuning (RGBW/RY)
- Save custom color patterns
- Share patterns via QR code
- BLE connectivity
- Compatible with specific penlight models
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KingBlade is a penlight for concert made by Ruifan. This App can do the color creating, tuning, and sharing with others using QR code, and BLE. Compatible with X10 Ver.3, X10 Ver.5, one1B, one1RB. By using this application and compatible smartphone, creating infinite luminous color for your KingBlade penlight. INFINITY COLOR TUNING By adjusting the color balance of LED's Red / Green / Blue / White for K10 Ver.3/5 and Yellow with one1B and one1RB, you can create luminous color freely. The luminescent color pattern created can be saved as one BLADE, and can be installed on the penlight memory. (X10 Ver.5, one1B, and one1RB has 2 memories.) Also, BLADE patterns can be shared with other users by QR code.
FourCropper
Easily split large images into four parts for better display on social media. This tool helps prevent unwanted resizing and allows you to showcase more detail in your photos.
- Split images into 4 parts
- Direct sharing to Twitter
- Prevents unwanted resizing
- Supports 16:9 ratio cropping
- Customizable divisions (2, 3, or 4)
- Showcases photo details
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Just select a photo, split it into four, and easily share it directly to Twitter! You don't have to go to the trouble of saving the image and then launching the Twitter application. Have you ever uploaded your favorite photo to a social networking site only to have it resized to a smaller size without your permission? Don't worry about it! With Four Cropper, you can prevent the photo from being resized by dividing it into four parts beforehand, and display the photo in a larger size. The principle of 'Four Cropper' is very simple. Twitter's web and applications display images in a 16:9 ratio.You can also quadrant the image while doing the calculations, but Four Cropper will crop the photo to a 16:9 ratio and then split the photo. Your photos will display nicely on the Twitter platform! You can choose any number of divisions: 4, 3, or 2. Choose the number of divisions that makes your photo look the best! The evolution of smartphone cameras is amazing. Photos are getting higher resolution every year. Let's divide your prized photo into four sections and let everyone see all the details that would otherwise be omitted! # About Premium Plan The free version displays advertisements. There is no difference between the free version and the paid version except for advertisements. If you like it, please use the paid version. ## Premium Plan Annual payment 120 yen / year Ads are hidden by subscribing to the premium plan. ## Restoration when changing models When you change your phone model, you can restore the previously purchased paid version for free. Go to [Premium] on the Settings screen and select [Restore Purchase History]. Your purchase history is tied to your Apple ID, so please make sure you are logged in with the same Apple ID as when you made the purchase. ## About automatic recurring billing If you do not cancel your subscription at least 24 hours prior to the billing close date, you will be billed on the start of each new billing period. ## Confirmation and Cancellation Launch the Settings app on iOS and select Users->Subscription->Four Cropper at the top of the screen. You can check your subscription renewal date. You can also set/unset auto-renewal. ## Notes - If you wish to cancel your subscription, please follow the instructions above. - The billing is done through your Apple ID account. ## Privacy Policy https://products.ch3cooh.net/entry/fourcropper/privacy_policy ## Terms of Use https://products.ch3cooh.net/entry/fourcropper/terms_of_use_ios
Screenshots
Verdict
The clearest difference is review sentiment: FourCropper at 75% against KingBladeBLE's 15%. FourCropper also leads on rating (4.3 vs 1.0) and update cadence (every 5 weeks vs every 51 months). KingBladeBLE's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price 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. FourCropper sells 3 in-app purchases, starting at $1.49 per year. KingBladeBLE asks for nothing beyond the download.
FourCropper holds the better App Store score, 4.3 against 1.0. That said, the two scores are not equally well evidenced: FourCropper has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 15% of KingBladeBLE's written reviews are positive against 75% of FourCropper's.
KingBladeBLE ships an update every 51 months, FourCropper every 5 weeks. The most recent releases landed on September 20, 2026 and August 8, 2026 respectively.
| Parameter | KingBladeBLE | FourCropper |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 4.3 (6 ratings) — better |
| Positive reviews | 15.4% of reviews | 75.0% of reviews — better |
| Number of ratings | 1 | 6 — better |
| Update frequency | Every 51 months | Every 5 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 9 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Ruifan Japan | KENJI WADA |
Customer experience
KingBladeBLE
FourCropper
In-app purchases
KingBladeBLE
No in-app purchases
FourCropper
- Premium Plan Yearly$1.491 Year
- Hide banner ads$0.99
- Hide banner ads$1.99









