Tetra vs ShuffleHead™
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tetra
Create 3D models with intuitive point manipulation and surface editing tools. Publish your creations, share them with others, and export them for 3D printing or other applications. Offers symmetry, coloring, and layer management for detailed designs.
- Intuitive 3D shape creation
- Point and surface editing
- Color painting and erasing
- Symmetry tools
- STL and OBJ export
- iCloud syncing and sharing
- Layer management
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Tetra is a 3D modeling app that makes 3D works easily. Easily create 3D shapes By adding points or moving points, you can make a 3D shape as you wish. Publish artwork You can post and publish your finished artwork. Share artwork By exporting in STL format, OBJ format, you can use it with 3D printer or other 3D editing application. You can save it to iCloud and share it among devices. Main 3D editing functions · Add, delete, move, resize points · Flip the edge of the surfaces of 3D shape (Repartition of the two surfaces sandwiching the edge by the other diagonal line) · Paint color on the surface of 3D shape, erase it, pick it · Paint color on the floor, erase it, pick it · Show / hide, lock the floor. · Left-right symmetry, front-back symmetry · Guide · Capture and save images · Export in STL format (not applicable for iPhone 5, iPhone 5C, iPad 4th generation), OBJ format · Undoing / Redoing · Lock (editing prohibited) · Show / hide line (grid / wire frame) · Show / hide 3D shape (translucent with long press) · Light · Display the coordinates that you manipulated · Add, delete, duplicate, rename, move, rotate, flip horizontally, import layers Show / hide 3D shape, color, lock for each layer * Viewpoint operation · Rotate: Swipe with one finger · Zoom: Pinch with 2 fingers, or Swipe up and down with long press · Focus: Long press to menu selection · Front-rear / left-right movement: Swipe with 2 fingers · Up / down movement: Swipe with 3 fingers · Reset: Double tap with 2 fingers Main artwork edit function · Create, delete, duplicate, rename artworks · Move to, from iCloud · Export to file Main artwork public function · Upload, delete artworks · Browsing and downloading published artworks *Tetra is using the icons8.com icon. https://icons8.com
ShuffleHead™
An interactive coloring book that lets you spin, mix, and color comic imagery to create unique visual stories. Discover narrative moments and responsive soundscapes as you bring your creations to life.
- Spin and mix comic imagery
- Create endless scene combinations
- Color with artist-created palettes
- Reveal short narrative moments
- Experience responsive sound loops
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ShuffleHead is an interactive, animated coloring book where you spin, mix, shuffle and color comic imagery to create playful visual stories. Each ShuffleHead is composed of three visual sections that can be spun and mixed into nearly endless scene combinations that are designed to work together seamlessly. Color each composition using artist-created palettes, tap to reveal short narrative moments, and experience sound loops that respond to your interactions.
Screenshots
Verdict
The clearest difference is review sentiment: ShuffleHead™ at 100% against Tetra's 46%. ShuffleHead™ also leads on rating (5.0 vs 2.9) and ads (none vs shown). Tetra's advantage is price (Free vs $3.99) and in-app purchases (none vs 10).
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Tetra is free to download; ShuffleHead™ costs $3.99 up front. ShuffleHead™ sells 10 one-off in-app purchases. Tetra asks for nothing beyond the download.
ShuffleHead™ holds the better App Store score, 5.0 against 2.9. That said, the two scores are not equally well evidenced: Tetra has 51 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 46% of Tetra's written reviews are positive against 100% of ShuffleHead™'s.
Tetra ships an update fortnightly, ShuffleHead™ every 9 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Tetra | ShuffleHead™ |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | 2.9 (51 ratings) | 5.0 (10 ratings) — better |
| Positive reviews | 46.2% of reviews | 100.0% of reviews — better |
| Number of ratings | 51 — better | 10 |
| Update frequency | Fortnightly — better | Every 9 months |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases — better | Paid |
| Best chart rank | — | #191 — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 8 MB | 74 MB |
| Age rating | 12+ | 12+ |
| Developer | Shingo Isobe | Kasumi Art Studios LLC |
Customer experience
Tetra
ShuffleHead™
In-app purchases
Tetra
No in-app purchases
ShuffleHead™
- Baby Animals$1.99
- Creatures of Imagination$1.99
- Extroverted Vertabrates$1.99
Show 7 moreShow fewer
- Genetically Engineered$1.99
- Ground Breakers$1.99
- Monsters of the ID$1.99
- Schemers and Dreamers$1.99
- Trials and Errors$1.99
- Uncanny Headscapes$1.99
- We Beg to Differ$1.99









