SoundEcho vs Hyper Sudoku
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
Hyper Sudoku
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A modern Sudoku experience designed for speed, clarity, and steady improvement. This app delivers clean, distraction-free puzzles that are easy to start and satisfying to master. Whether you have a few minutes or a longer session, you can jump in instantly and focus purely on logic and strategy. You can play across multiple board sizes, from compact 4×4 to full 9×9 grids, with several difficulty levels that grow with your skill. Built-in time tracking and performance history let you see how your speed and accuracy evolve over time, turning everyday play into meaningful practice. The interface uses a calm, dark visual style that reduces eye strain and supports longer sessions, making it suitable for daily brain training, focus practice, or casual relaxation. An optional Pro subscription removes daily limits, enables unlimited play history, provides watermark-free printable PDFs, and fully unlocks 9×9 puzzles along with future Pro features. All purchases are processed through Apple’s In-App Purchase system and can be managed or canceled in your Apple ID settings at any time. Whether you know it as Sudoku, Number Place, or Nanpre, this is a fast, elegant, and thoughtful way to enjoy the classic puzzle. Terms of Service & Privacy Policy: https://lineocean.com/hypernanpre/
Screenshots
Verdict
The clearest difference is ads: SoundEcho at none against Hyper Sudoku's shown. Hyper Sudoku's advantage is update cadence (every 3 days vs every 5 weeks). On price, 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
Both are free to download. SoundEcho sells 1 one-off in-app purchase and Hyper Sudoku sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
SoundEcho ships an update every 5 weeks, Hyper Sudoku every 3 days. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.
| Parameter | SoundEcho | Hyper Sudoku |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 5 weeks | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 7 MB | 29 MB |
| Age rating | 12+ | 4+ |
| Developer | Kristof Nijs | Fumihiro Kawasaki |
In-app purchases
SoundEcho
- Purchasing the app$4.49
Hyper Sudoku
- Pro$2.991 Month
- Pro$24.991 Year
- Pro$2.99
Questions
Is SoundEcho free?
Is Hyper Sudoku free?
Do SoundEcho or Hyper Sudoku have ads?
Which is updated more often, SoundEcho or Hyper Sudoku?
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