YFF Teacher vs Decks 3D
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
YFF Teacher
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YFF‑timer is a fast, simple time logger for school practice: • Start/stop with optional comment • Totals for selected period (today / this week / this month / all / custom) • Shows hours & minutes, plus number of school periods (45 min, rounded up) • Goal/timebank: set a target in hours and see what remains • Edit or add entries manually • Export CSV or a PDF report with signature fields
Decks 3D
Design and plan custom decks with detailed framing, 3D visualization, and exportable build documents. Supports various deck shapes and measurements for professional use.
- Design various deck shapes
- Detailed framing and material lists
- 3D visualization
- Exportable blueprints and cut lists
- Imperial and metric measurements
- Offline project packages
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Decks 3D is a framing-first deck builder for contractors, deck builders, remodelers, designers, and serious DIY users. Create a deck, generate the framing plan, review it in 3D, and export the build documents you need from iPhone or iPad. Build deck projects faster - Design straight, L-shaped, U-shaped, freestanding, wraparound, custom, gazebo, multi-level, and octagonal decks - Tune joist spacing, beam spacing, posts, footings, decking direction, stairs, railing, roof-over-deck concepts, and terrain notes - Work in imperial or metric measurements for field-friendly input See the structure clearly - Review live 2D deck plans with joists, beams, posts, footings, stairs, labels, and project metrics - Inspect the deck in 3D before you build - Check warnings, presentation notes, material quantities, and cut lists in one workspace Export and share locally - Save blueprint PDFs, material lists, cut lists, and offline project packages - Add white-label branding to exports with Decks 3D Pro - Keep projects, drafts, exports, and packages on device unless you choose to share them - No account required Built for real deck workflows Decks 3D focuses on framing clarity and deck-specific planning instead of generic home design tools. It is made for deck jobs, client walkthroughs, and faster field decisions on iPhone and iPad. Free and Pro Start free with straight deck projects. Decks 3D Pro unlocks all 9 deck shapes, blueprint PDF export, white-label exports, and advanced planning tools. Concept plans only. Verify spans, footings, and local code before construction or permit submission. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: YFF Teacher at none against Decks 3D's 2. YFF Teacher also leads on update cadence (every 2 days vs every 6 days). On price, ads, 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. Decks 3D sells 2 in-app purchases, starting at $5.99 per month. YFF Teacher asks for nothing beyond the download.
YFF Teacher ships an update every 2 days, Decks 3D every 6 days. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.
| Parameter | YFF Teacher | Decks 3D |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 days — better | Every 6 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.5 | 17.6 — better |
| Further details — not scored | ||
| Size | 3 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Thomas Riis | Sebastin Michael |
In-app purchases
YFF Teacher
No in-app purchases
Decks 3D
- Pro Monthly$5.991 Month
- Pro Annual$49.991 Year







