Jo's Memory vs SoundEcho
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Jo's Memory
Explore a dystopian future city as Jo, navigating by bike through fog that affects memory. Solve puzzles connected to mysterious glass cubes to restore a broken autonomous delivery system and uncover hidden secrets about Jo's past and identity.
- Explore a dystopian city
- Solve memory-related puzzles
- Navigate by bike
- Uncover hidden secrets
- Interactive narrative
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In Jo's Memory you embark on a journey into the past, while trying to escape a dystopian world full of puzzles. In a near future city, almost everything is delivered by autonomous drones. There's no reason to ever leave your house, so most people don't. Except for Jo. Jo loves to bike through the foggy city, even though the fog makes their head feel a little weird, and makes remembering things hard. Plus, Jo has a great job! At least, they think it's a great job... But when strange energy anomalies appear all around the city, causing the autonomous delivery system to break down, it's up to Jo to figure out how to get the system online again. As Jo explores the city--and beyond--they learn that maybe their job isn't so great and, also, maybe they're not even who they thought they were! Solve puzzles connected to the mysterious glass cubes and help Jo navigate the world by bike. Uncover new unexplored areas and learn more about the hidden secrets of Jo's past. The Blackbox project with the three partners – the LWL-Museum of Archaeology, the LWL-Roman Museum Haltern and the Deutsches Bergbau-Museum Bochum, Leibniz Research Museum for Georesources – opens up closed spaces of archaeological work in a participatory way and with digital means and makes knowledge transparent and discussable. The design studio NEEEU Spaces GmbH supports the joint museums as a digital partner. Funded by the Digital Culture Programme of the Kulturstiftung des Bundes (German Federal Cultural Foundation). Funded by the Beauftragte der Bundesregierung für Kultur und Medien (Federal Government Commissioner for Culture and the Media).
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 in-app purchases: Jo's Memory at none against SoundEcho's 1. Jo's Memory also leads on update cadence (fortnightly vs every 5 weeks) and iOS requirement (12.0 vs 17.0). SoundEcho's advantage is review sentiment (100% vs 75%). On price, ads, monetization model 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
Both are free to download. SoundEcho sells 1 one-off in-app purchase. Jo's Memory asks for nothing beyond the download.
Jo's Memory ships an update fortnightly, SoundEcho every 5 weeks. The most recent releases landed on October 6, 2026 and September 25, 2026 respectively.
| Parameter | Jo's Memory | SoundEcho |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.3 (3 ratings) — better |
| Positive reviews | 75.0% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 3 — better |
| Update frequency | Fortnightly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 102 MB | 7 MB |
| Age rating | 4+ | 12+ |
| Developer | NEEEU Spaces GmbH | Kristof Nijs |
Customer experience
Jo's Memory
SoundEcho
In-app purchases
Jo's Memory
No in-app purchases
SoundEcho
- Purchasing the app$4.49









