Comparison

Alchemist Rose vs Selector

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Alchemist Rose

This app creates dynamic, interactive mandalas that respond to your movements and music. It offers stunning visuals and can be mirrored to a big screen for parties or performances.

Highlights
  • Interactive animated mandalas
  • Responds to touch and tilt
  • Music visualization
  • AirPlay screen mirroring
  • Video-out support for big screens
  • Adjustable speed and color palettes
Features
Read full description

Five-Stars! ***** "This App is absolutely amazing... Visually stunning. It makes me tingle all over when I use it. Breathtaking!" Five-Stars! ***** "Insane interactivity" Five-Stars! ***** "I have most of the particles apps on my iPad and this one ranks at the top." *** AirPlay Screen Mirroring is amazing !!! *** * Wirelessly stream video from your iPad to your Apple TV and watch Alchemist Rose on your Big Screen HDTV ! * Beautiful, Magical, Colorful, Delightful... • • • ...put on some Music ...pick up your iPad... and DANCE ! Alchemist Rose creates animated Interactive colorful Mandalas that groove and pulsate to your every move. Video-Out supported. Plug into your Big-Screen TV or Video Projector and perform for your friends !!! All Video-Out cables supported (VGA is Best). Great for Parties ! Perfect for VJ-ing. Alchemist Rose is designed to be Intuitive and Exploratory. The Rose is aware of your Posture and Energy. Lying back in Bed with your feet up and iPad in Portrait mode: AR assumes a slow mellow evolution. iPad Resting Flat on its back: AR goes full speed ahead. For the Ultimate… Pick up the iPad… Dance… Tilt… Sway… Touch… Twist… Bounce… The Mandala becomes the Music Visualized through your movements… ( … when you find that moment… it is really fun! :^) Controls: • Speed : Tilt Up & Down. Up for Slow and Down for Fast. • Color Palette change : Double-Click • Clear Screen : Double-Click • 10 Finger MultiTouch • Spin Adjust : Tilt Left & Right • Gravity Tilt affects Touches after release • Bounce the iPad up and down to Visualize the Beat • Video-Out Aspect Ratio in Settings : 16x9 widescreen & 4x3 standard - both supported Settings: • AlchemistRose Settings are in the iOS Settings app. • Video Out - Plug into a Video Projector or HDTV for the Big Screen AR Experience. All Aspect Ratios are supported: 4x3 standard; 16x10 wide Computer Monitor; 16x9 wide HDTV. • Vertical Video-Out - An External Monitor placed in Vertical Portrait orientation is now supported. A 16x9 vertical external monitor is Especially Beautiful. • Keep Display On - Disables the Auto-Lock feature on your iPad, which automatically turns off the display after a certain amount of time.* ( *Note: Remember the longer the iPad Display is on, the more Battery is used. ) • Touch for New Color: Every Touch will change to a new Color Palette. • Speed - "Always Fast" is the full-on pedal-to-the-metal experience all the time. At 60Hz it can be quite intense. - "Variable Control" gives you a more relaxed, subtle and controllable experience. Slow down the pace by Tilting the iPad. Upright in Portrait mode is Slowest. iPad Flat on it's Back Fastest. Tilt anywhere in-between for just the perfect speed for you! Alchemist Rose is an ongoing project, drawing on 25 years of visual music making experience. Enjoy the ride. Tell your Friends :^) Love to hear from you ! Email us at: alchemistrose [at] opticalalchemy [dot] com

About

Selector

This app helps you make decisions by randomly selecting one person from a group. It's perfect for settling disputes, choosing chores, or picking the first player in a game. Enjoy interactive animations and sounds as it makes the choice for you.

Highlights
  • Random person selection
  • Supports up to 5 people on iPhone
  • Supports up to 11 people on iPad
  • Particle animations
  • Interactive sounds
  • Compass mode
  • Clock mode
  • Draw mode
Features
Read full description

Need to select between a bunch of people? Selector will decide for you! Have everyone hold a finger on the device and the spinner will spin until it selects one person. Use it to pick who pays for dinner! Use it to decide who does the dishes! Use it to select the first player in a game! Selector will select between up to 5 people on the iPhone and up to 11 on the iPad. Features beautiful particle animation and fun interactive sounds. Also features compass, clock, and draw modes. Enjoy!

Screenshots

Selector4 screens

Verdict

The call

The clearest difference is price: Alchemist Rose at Free against Selector's $0.99. Alchemist Rose also leads on update cadence (every 3 weeks vs every 56 months). Selector's advantage is review sentiment (88% vs 68%) and device support (3 vs 1). On rating, ratings volume, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Alchemist Rose is free to download; Selector costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Alchemist Rose against 4.8 for Selector. Both are backed by a comparable volume of ratings — 5 and 8 respectively. Written reviews are what separate them: 68% of Alchemist Rose's written reviews are positive against 88% of Selector's.

UpkeepUpdate frequency

Alchemist Rose ships an update every 3 weeks, Selector every 56 months. The most recent releases landed on November 1, 2026 and October 22, 2026 respectively.

Scorecard4 real differences · 6 level
Alchemist Rose versus Selector: the parameters behind the verdict, then further details
ParameterAlchemist RoseSelector
PriceFree — better$0.99
Rating4.8 (5 ratings) — better4.8 (8 ratings)
Positive reviews67.5% of reviews88.0% of reviews — better
Number of ratings58 — better
Update frequencyEvery 3 weeks — betterEvery 56 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPadiPhone, iPad, iPod — better
Requires iOS12.011.0 — better
Further details — not scored
Size5 MB2 MB
Age rating4+4+
DeveloperMark BuchananTony Kobayashi

Customer experience

Alchemist Rose

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews80 reviews
Positive67.5%
Neutral8.8%
Negative23.8%

Selector

All ratings8 ratings
Positive87.5%
Neutral12.5%
Negative0.0%
Written reviews25 reviews
Positive88.0%
Neutral12.0%
Negative0.0%

In-app purchases

None

Alchemist Rose

No in-app purchases

None

Selector

No in-app purchases

Questions

Is Alchemist Rose free?
Alchemist Rose is free to download, with no in-app purchases.
Is Selector free?
Selector costs $0.99, with no in-app purchases.
Which has better reviews, Alchemist Rose or Selector?
Alchemist Rose is rated higher. Alchemist Rose averages 4.8 out of 5 from 5 ratings, while Selector averages 4.8 from 8 ratings.
Do Alchemist Rose or Selector have ads?
Neither Alchemist Rose nor Selector shows ads.
Which is updated more often, Alchemist Rose or Selector?
Alchemist Rose ships an update every 3 weeks, and Selector every 56 months. Most recently, Alchemist Rose was updated on November 1, 2026 and Selector on October 22, 2026.

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