Slidezilla vs Kaleidoscope Lens
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Slidezilla
Transform your photos and videos into engaging slideshow stories with a wide array of filters, transitions, and music. Easily create and share custom animated presentations or let the app randomize for quick, impressive results.
- Photo and video editing
- Customizable slideshows
- Hundreds of filters and transitions
- Add music (yours or app's)
- Colorful backgrounds
- Randomize slideshow generator
- Instant social sharing
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You and your photos and videos deserve to tell a story with transitions, filters, music, and FUN. Slidezilla is the new generation app for your photos and videos that brings them to life and allows you to share your unique slideshow stories instantly. Customize your personal stories with over a hundred FREE filters and transitions, music (yours or ours), colorful backgrounds, and much more! Go to town yourself or tap the Randomize button to automatically generate an awesome slideshow. Create amazing animated slideshows seamlessly with Slidezilla’s user-friendly app. Edit together videos as well as photos to make your creation. Instantly share your creation to your social sites and have others watch your own story. Download Slidezilla NOW to enjoy hundreds of options and customize your own photo slideshow. You have the story—Slidezilla helps tell it.
Kaleidoscope Lens
Transform your photos and live camera feeds into dynamic, ever-changing kaleidoscope art. This app allows real-time effects with touch controls and offers various customization settings. Save and share your unique geometric creations instantly.
- Real-time camera kaleidoscope effect
- Apply effects to existing photos
- Touch-based pattern manipulation
- Random playback mode
- Customizable angle, division, and rotation
- Save and share creations
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■ Equipped with 'Random Playback Mode'. Be healed by the ever-changing kaleidoscope ■ The image captured by the camera turns into a kaleidoscope in real time. ■ Enjoy adding a kaleidoscope effect to photos selected from the library ■ Real-time touch operation allows for ever-changing beautiful geometric patterns ■ Quickly capture, save, and share beautiful kaleidoscope photo moments [Select photo] ・Real-time camera captured images ・Start the camera and take a photo ・Select photo from photo album ・Import shared files from other apps ・Paste photos copied from web images, etc. [Settings] - Angle - Division count - Rotattion - Zoom - Resolution - Random Playback - Image Position [Photo Outputs] - Save to camera roll - Photo sharing: AirDrop, LINE, Facebook, Dropbox, Instagram,...
Screenshots
Verdict
The clearest difference is price: Slidezilla at Free against Kaleidoscope Lens's $0.99. Slidezilla also leads on rating (4.1 vs 2.0) and review sentiment (64% vs 33%). Kaleidoscope Lens's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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
Slidezilla is free to download; Kaleidoscope Lens costs $0.99 up front. Slidezilla sells 1 one-off in-app purchase. Kaleidoscope Lens asks for nothing beyond the download.
Slidezilla holds the better App Store score, 4.1 against 2.0. That said, the two scores are not equally well evidenced: Slidezilla has 250 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 64% of Slidezilla's written reviews are positive against 33% of Kaleidoscope Lens's.
Slidezilla ships an update every 6 weeks, Kaleidoscope Lens daily. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.
| Parameter | Slidezilla | Kaleidoscope Lens |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.1 (250 ratings) — better | 2.0 (2 ratings) |
| Positive reviews | 63.6% of reviews — better | 33.3% of reviews |
| Number of ratings | 250 — better | 2 |
| Update frequency | Every 6 weeks | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Best chart rank | — | #200 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 31 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Falstad.com | Masanori Katsuta |
Customer experience
Slidezilla
Kaleidoscope Lens
Bugs and requests
Slidezilla
Reported bugs
15 issues- App crashes when creating videos
- Photos and videos not appearing in selection screen
- Camera roll shows incorrect photo count
- App freezes on 'Get Started' button
- Videos appear squished and distorted
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- Glitchy video editing experience
- App crashes when adding videos
- Photos deleted after slideshow creation
- Cannot post/save videos
- App crashes after upgrade to pro
- Videos speed up unexpectedly
- Photos not displaying in final video
- App crashes before saving
- Redownload requires repayment despite same Apple ID
- App won't load all available photos
Requested features
15 requests- Add text overlay capability
- Import custom music from camera roll
- More transition options
- Remove or reduce watermark
- Ability to use more than 10 photos without upgrade
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- Video trimming and splitting tools
- Disable Ken Burns zoom effect
- Custom transition placement
- Drag-and-drop media reordering
- Photo background selection
- Rearrange media by modification date
- Shorter photo duration options (less than 1 second)
- Remove unwanted color filters
- Expanded music library with popular artists
- Better tutorial for transition controls
Kaleidoscope Lens
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Slidezilla
- Pro Upgrade$1.99
Kaleidoscope Lens
No in-app purchases
Questions
Is Slidezilla free?
Is Kaleidoscope Lens free?
Which has better reviews, Slidezilla or Kaleidoscope Lens?
Do Slidezilla or Kaleidoscope Lens have ads?
Which is updated more often, Slidezilla or Kaleidoscope Lens?
Other comparisons
