CoolCalc Scan vs Textella
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CoolCalc Scan
Capture precise 3D room scans using your device's LiDAR sensor. Organize projects, integrate with a web platform for advanced visualization, and export models in industry-standard formats. Ideal for professionals needing accurate spatial data.
- Precise LiDAR scanning
- Detailed 3D model capture
- Project organization
- CoolCalc platform integration
- Industry-standard export formats
- Multi-room scanning
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Free Scanning — Paid Web Features This iOS app is a companion to CoolCalc. Scanning is free. To use your scan results for ACCA Manual J, Manual S, or Manual D calculations, you’ll need a separate paid subscription or single-project purchase in app.coolcalc.com, our web app. KEY FEATURES • Precise LiDAR Scanning Capture detailed 3D models of rooms with accurate measurements. Document walls, ceilings, windows, doors, and room geometry with professional-grade precision. • Project Organization Create projects for different properties or jobs. Scan multiple rooms and keep everything organized in one place. • CoolCalc Platform Integration Connect your scans with the CoolCalc web platform. Upload your models for advanced processing and visualization with interactive 3D viewers. • Professional Export Export your 3D models in industry-standard formats. Share scans with clients, colleagues, or use them in other professional tools. • Multi-Room Scanning Document entire properties efficiently. Scan room by room and combine them into complete building models. IDEAL FOR Perfect for HVAC professionals, contractors, architects, interior designers, and anyone who needs accurate spatial measurements for their work. REQUIREMENTS • iPhone or iPad with LiDAR sensor (iPhone 12 Pro and later, iPad Pro 2020 and later) • iOS 17.5 or later • Account required for platform integration features
Textella
Transform your PDF documents into audiobooks with this app. Listen to your favorite texts on the go, choosing from various voices. Enjoy offline playback for a seamless listening experience.
- PDF to audio conversion
- Multiple voice options
- Offline listening
- Text-to-speech functionality
- On-the-go audio playback
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Convert your PDF book into audio and listen on the go. Choose from different voices to read aloud. No internet connection required. Transform text into stories you can hear.
Screenshots
Verdict
The clearest difference is review sentiment: Textella at 100% against CoolCalc Scan's 0%. Textella also leads on rating (5.0 vs 2.6). CoolCalc Scan's advantage is price (Free vs $1.99) and ratings volume (7 vs 1). On update cadence, ads, in-app purchases 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
CoolCalc Scan is free to download; Textella costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Textella holds the better App Store score, 5.0 against 2.6. That said, the two scores are not equally well evidenced: CoolCalc Scan has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of CoolCalc Scan's written reviews are positive against 100% of Textella's.
CoolCalc Scan ships an update every 4 weeks, Textella every 3 weeks. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.
| Parameter | CoolCalc Scan | Textella |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 2.6 (7 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 7 — better | 1 |
| Update frequency | Every 4 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported — better | Paid |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.5 — better | 18.2 |
| Further details — not scored | ||
| Size | 11 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Cool Calc Inc. | Mykhailo Osekretov |
Customer experience
CoolCalc Scan
Textella
In-app purchases
CoolCalc Scan
No in-app purchases
Textella
No in-app purchases









