Karateka Classic vs SoundEcho
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Karateka Classic
Experience a classic side-scrolling martial arts adventure from 1984. Fight as a lone hero to rescue a princess from an evil warlord, overcoming relentless guards and a challenging hawk. Relive the original charm or discover this iconic game for the first time.
- Side-scrolling combat
- Classic 1984 gameplay
- Save the princess quest
- Challenging enemy AI
- Original Apple II experience
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A side-scrolling karate classic from 1984! The first game by the creator of Prince of Persia, Karateka arrives on iOS with all the challenge and charm of the original Apple II experience. Fight as the lone hero to save the princess from the evil warlord Akuma. His relentless guards and pesky hawk will challenge your skill whether you remember the original, have played the remake, or are experiencing Karateka for the first time.
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.
- 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
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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.
Screenshots
Verdict
The clearest difference is price: SoundEcho at Free against Karateka Classic's $0.99. SoundEcho also leads on update cadence (every 5 weeks vs every 46 months) and review sentiment (100% vs 79%). Karateka Classic's advantage is in-app purchases (none vs 1) and ratings volume (88 vs 3). On rating, ads 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
SoundEcho is free to download; Karateka Classic costs $0.99 up front. SoundEcho sells 1 one-off in-app purchase. Karateka Classic asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.3 for Karateka Classic against 4.3 for SoundEcho. That said, the two scores are not equally well evidenced: Karateka Classic has 88 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 79% of Karateka Classic's written reviews are positive against 100% of SoundEcho's.
Karateka Classic ships an update every 46 months, SoundEcho every 5 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Karateka Classic | SoundEcho |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.3 (88 ratings) | 4.3 (3 ratings) — better |
| Positive reviews | 79.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 88 — better | 3 |
| Update frequency | Every 46 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free — better |
| Best chart rank | #113 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 8.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 13 MB | 7 MB |
| Age rating | 9+ | 12+ |
| Developer | DotEmu | Kristof Nijs |
Customer experience
Karateka Classic
SoundEcho
Bugs and requests
Karateka Classic
Reported bugs
3 issues- Black screen or missing graphics on certain devices
- Rewind function not working as expected
- Sound issues or loss of audio
Requested features
3 requests- Support for external keyboards and controllers
- Leaderboards and competitive features
- Difficulty options or accessibility settings
SoundEcho
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Karateka Classic
No in-app purchases
SoundEcho
- Purchasing the app$4.49
