Comparison

SoundEcho vs PiKK

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

Head to head
About

SoundEcho

A fun and accessible memory game using sound cues. Players match pairs of buttons that produce the same sound to clear the board. Supports multiple sound themes and player counts, with Game Center integration.

Highlights
  • Sound-based memory matching
  • VoiceOver accessibility
  • Animal and computer sound themes
  • Multiple difficulty levels (10, 15, 20 sounds)
  • 2-4 player real-time multiplayer
  • Game Center integration
Features
Read full description

SoundEcho is a memory game with sounds that is easy to play and fully accessible with VoiceOver. SoundEcho is enjoyable for blind, low vision and sighted players alike. The gameplay is simple. Buttons showing a letter, number or smiley are spread across the screen. Tap a button to hear a sound. If two different buttons produce the same sound, they disappear. Find all matching sounds as quickly as possible with as few taps as you can. Choose from 4 sound categories: the classic animal and computer sounds, or the alternative traffic and musical instrument sounds. Each game contains 10, 15 or 20 sound pairs. SoundEcho integrates Game Center so you can compare scores, track achievements and play real-time matches with 2 to 4 players. SoundEcho was nominated for the 2023 Golden Apple Awards by the AppleVis website. Try SoundEcho for free today.

About

PiKK

This application uses hand-tracking technology for engaging entertainment and beneficial therapeutic activities. It offers a unique interactive experience for users of all ages.

Highlights
  • Hand-tracking technology
  • Entertainment applications
  • Therapeutic purposes
  • Interactive experience
  • Suitable for all ages
Features
Read full description

Application harnessing hand-tracking for entertainment and therapeutic purposes.

Screenshots

SoundEcho3 screens
PiKK2 screens

Verdict

The call

The clearest difference is in-app purchases: PiKK at none against SoundEcho's 1. PiKK also leads on update cadence (every 2 days vs every 5 weeks) and rating (4.6 vs 4.3). SoundEcho's advantage is ads (none vs shown) and review sentiment (100% vs 80%). On price, 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

Both are free to download. SoundEcho sells 1 one-off in-app purchase. PiKK asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

PiKK holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: PiKK has 15 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 100% of SoundEcho's written reviews are positive against 80% of PiKK's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

SoundEcho ships an update every 5 weeks, PiKK every 2 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard7 real differences · 3 level
SoundEcho versus PiKK: the parameters behind the verdict, then further details
ParameterSoundEchoPiKK
PriceFreeFree
Rating4.3 (3 ratings)4.6 (15 ratings) — better
Positive reviews100.0% of reviews — better80.0% of reviews
Number of ratings315 — better
Update frequencyEvery 5 weeksEvery 2 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree — betterAd-supported
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.016 — better
Further details — not scored
Size7 MB31 MB
Age rating12+4+
DeveloperKristof NijsNhat Nguyen

Customer experience

SoundEcho

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

PiKK

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews10 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

In-app purchases

1 purchases

SoundEcho

One-time1
  • Purchasing the app$4.49
None

PiKK

No in-app purchases

Questions

Is SoundEcho free?
SoundEcho is free to download, with in-app purchases available.
Is PiKK free?
PiKK is free to download, with no in-app purchases.
Which has better reviews, SoundEcho or PiKK?
PiKK is rated higher. SoundEcho averages 4.3 out of 5 from 3 ratings, while PiKK averages 4.6 from 15 ratings.
Do SoundEcho or PiKK have ads?
PiKK shows ads; SoundEcho does not.
Which is updated more often, SoundEcho or PiKK?
SoundEcho ships an update every 5 weeks, and PiKK every 2 days. Most recently, SoundEcho was updated on November 3, 2026 and PiKK on October 30, 2026.

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