Comparison

iPartyHeteroptics vs Scary Ringtone Sounds

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

Head to head
About

iPartyHeteroptics

Explore ten types of optical illusions by interacting with shapes and patterns. Manipulate lines, squares, and circles to experience visual mysteries and become the life of the party with these engaging illusions.

Highlights
  • Ten types of optical illusions
  • Interactive shape manipulation
  • Visual mystery experiences
  • Party entertainment content
  • Engaging pattern distortion
  • Size and color perception illusions
Features
Read full description

[Basic information] iPartyHeteroptics is a profitable application to be able to experience ten kinds of heteroptics contents by operating it while making it. Please move a straight line, a triangle, and patterned icon, stop the moving figure, and experience the mystery of various heteropticses ! Let's become the center of the topic of the party by using ten kinds of heteroptics contents ! (1)"Circle of different size ?" : Mysterious circle that seems quite different size though it is the same size, by surrounding circles bigness and smallness (2)"Distorted square ?" : Mysterious square that seems distorted by fan straight line position (3)"Is different straight line length ?" : Mysterious straight line that looks long or short, by arrow that changes angle and opens and shuts (4)"Inclining parallel lines ?" : Mysterious parallel lines that seems inclined by detailed slash that changes angle (5)"Parallelogram of different size ?" : Mysterious parallelogram that seems completely different size by a position (6)"Different color ?" : Mysterious gray square that seems quite different color of density by the changing background color (7)"Circle of lattice pattern that begins to move ?" : Mysterious lattice patterned circle that seems to begin moving like it on drop of water when putting it in lattice pattern (8)"Is the pattern distorted ?" : Mysterious pattern to which it begins to distort the horizontal, vertical line when putting it in lattice pattern (9)"Triangle that does expansion reduction ?" : Mysterious equilateral triangle into which size seems to have changed by place where triangle is put (10)"In which direction is this penguin rotating ?" : Clockwise? Anti-clockwise? In which direction does the penguin seem to be rotating for you ? How do you surprise a surrounding person ? It is depending on you how to use the content of "iPartyHeteroptics". Please brighten up the party by the way only of you. [Web site] iPartyHeteroptics Official site http://www.adp.co.jp/iph_top/ Our official site http://www.adp.co.jp/

About

Scary Ringtone Sounds

Access a collection of free horror and terror sound effects for your device. Use them as ringtones, text message alerts, alarms, or for pranks. The app is updated regularly with new sounds and is safe to use.

Highlights
  • Free scary sound effects
  • Customizable ringtones
  • Text message sounds
  • Alarm and notification alerts
  • Regular updates with new sounds
  • Easy to use interface
Features
Read full description

Scary ringtone sounds includes free scary sound effects of horror and terror that you can listen to at the press of a button or use as a scary ringtone, text message sound, alarm and more. Scare your friends every time you get a text message or your phone rings. We update often with new scary sound effects and ringtones. These scary sounds are perfect for a halloween ringtone, to prank your friends or just for fun. - updated scary ringtones - easy to use - free and safe Enjoy these free scary ringtones and sound effects! With this app you can set a ringtone for a person calling. You can also set a ringtone for a text message sound, alarm or notification.

Screenshots

iPartyHeteroptics4 screens
Scary Ringtone Sounds4 screens

Verdict

The call

The clearest difference is review sentiment: iPartyHeteroptics at 100% against Scary Ringtone Sounds's 25%. iPartyHeteroptics also leads on ads (none vs shown). Scary Ringtone Sounds's advantage is price (Free vs $0.99) and update cadence (every 18 months vs every 60 months). On in-app purchases, 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

CostPrice · In-app purchases · Ads · Monetization

Scary Ringtone Sounds is free to download; iPartyHeteroptics costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

iPartyHeteroptics ships an update every 60 months, Scary Ringtone Sounds every 18 months. Both last shipped on November 1, 2026.

Scorecard5 real differences · 5 level
iPartyHeteroptics versus Scary Ringtone Sounds: the parameters behind the verdict, then further details
ParameteriPartyHeteropticsScary Ringtone Sounds
Price$0.99Free — better
Rating—4.3 (183 ratings) — better
Positive reviews100.0% of reviews — better25.0% of reviews
Number of ratings—183 — better
Update frequencyEvery 60 monthsEvery 18 months — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size214 MB36 MB
Age rating4+12+
DeveloperAmenity Design&Planning ,Ltd.E K S Boltz

Customer experience

iPartyHeteroptics

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Scary Ringtone Sounds

All ratings183 ratings
Positive82.0%
Neutral7.7%
Negative10.4%
Written reviews4 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

In-app purchases

None

iPartyHeteroptics

No in-app purchases

None

Scary Ringtone Sounds

No in-app purchases

Questions

Is iPartyHeteroptics free?
iPartyHeteroptics costs $0.99, with no in-app purchases.
Is Scary Ringtone Sounds free?
Scary Ringtone Sounds is free to download, with no in-app purchases.
Do iPartyHeteroptics or Scary Ringtone Sounds have ads?
Scary Ringtone Sounds shows ads; iPartyHeteroptics does not.
Which is updated more often, iPartyHeteroptics or Scary Ringtone Sounds?
iPartyHeteroptics ships an update every 60 months, and Scary Ringtone Sounds every 18 months. Most recently, iPartyHeteroptics was updated on November 1, 2026 and Scary Ringtone Sounds on November 1, 2026.

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