WikiSpaces3D vs Keystitch
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WikiSpaces3D
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WikiSpaces 3D is about enabling people to go places *virtually*, where they couldn't go otherwise (physically), by providing a collection of such places as 3d-scans, spaces, explorable in VR (yes, also with vr glasses). (3D-scans made with Matterport.) There are already some really cool spaces: from Boeing 747 cockpits to Egyptian tombs or the LeBron James Arena! (search for those in the app!) But why? Mainly, it's about providing educational value and making knowledge accessible: in times of pandemics, students are not able to visit interesting places like museums or galleries; but if said place has been 3d-scanned and shared on WikiSpaces, students can visit it virtually. But it's really about everyone: some of the spaces allow exclusive visits to places you could normally never go to, such as a Boeing 747 cockpit (unless your friend's friend is a pilot of course, ha), or simply places far far away. Really free? Yes absolutely! Just like Wikipedia aims to share knowledge for free, WikiSpaces does too. Building WikiSpaces has been possible only because the EU has provided generous funding (subsidies) for this project. What about user-submitted content though? All spaces are shared under the CC BY 4.0 license (read more on wiki-spaces.org/license) Supported by Europe We're glad to announce that the European Union is supporting WikiSpaces 3D with funds from the EFRE subsidies program via the German state of Saxony-Anhalt. We are truly grateful for this generous support, because otherwise, creating WikiSpaces would not have been possible. Disclaimer: WikiSpaces 3D is not affiliated with or related to Wikipedia or Matterport in any way.
Keystitch
Develop a visual understanding of music theory with short, focused drills. Train your mental keyboard for intervals, keys, and melodies. Practice hands-free and track your progress with adaptive exercises.
- Visual keyboard drills
- Interval and key recognition
- Melody tracking
- Solfège practice
- Hands-free practice modes
- Adaptive learning
- Progress tracking charts
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See the music. Keystitch trains the skill underneath every musical skill: a clear mental picture of the keyboard, so intervals, keys, and melodies stop being abstractions and start being shapes you can see. Most music education starts a few steps too advanced — past the hidden mental machinery that lets a lucky few learn so fast. Keystitch takes the other road: short, focused drills, served a couple of minutes at a time, that build durable skill with minimal wasted effort — in an app that adapts to what you can actually do, not what a lesson plan assumes. WHAT YOU'LL DO • Hear a sequence of notes and track them on your mental keyboard — then tap the note you landed on, or just say it. • Read intervals, keys, and clefs until notation feels like moves on a keyboard and not a strange language. • Hear a phrase and sing or speak it back in solfège, graded note by note. • Practice hands-free: eyes closed, prompts spoken, answers spoken back. HOW IT WORKS • A journey that serves the right drill at the right level, two minutes at a time. • Answer by voice, by touch, or by singing — fixed-do solfège throughout. • Progress you can see: every answer feeds charts of what you know cold and what needs work. • Practice goals and streaks if you want them — and never a punishment if you don't. FREE, AND WHAT MEMBERSHIP ADDS Every drill, every level, and every mode is open to everyone. Free practice starts with a full opening hour, then four minutes a day — counted only while a question is on screen. Membership removes the time limit, and today's price is the Early Adopter price: it will go up, but if you join at it, your price stays yours for as long as you stay subscribed. Nothing leaves your device: no account, no tracking, no ads. See the privacy policy for the whole story. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Our promises to members: https://keystitch.net/terms Privacy policy: https://keystitch.net/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: WikiSpaces3D at none against Keystitch's 3. WikiSpaces3D also leads on iOS requirement (15 vs 17.6). Keystitch's advantage is update cadence (every 3 days vs every 26 months). On price, 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
Both are free to download. Keystitch sells 3 in-app purchases, starting at $5.99 per month. WikiSpaces3D asks for nothing beyond the download.
WikiSpaces3D ships an update every 26 months, Keystitch every 3 days. The most recent releases landed on November 12, 2026 and November 5, 2026 respectively.
| Parameter | WikiSpaces3D | Keystitch |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (3 ratings) — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 26 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15 — better | 17.6 |
| Further details — not scored | ||
| Size | 3 MB | 109 MB |
| Age rating | 4+ | 4+ |
| Developer | CONVELA GmbH | Joshua Lucan |
In-app purchases
WikiSpaces3D
No in-app purchases
Keystitch
- Monthly$5.991 Month
- Yearly$29.991 Year
- Original Member$199.99









