Spirit Level Plus vs Surface Tech AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spirit Level Plus
This app transforms your iPhone into a precise spirit level. It's ideal for various tasks including carpentry, home decoration, and measuring angles and slopes.
- Precise spirit level
- Angle measurement
- Slope measurement
- Carpentry works
- Home decoration
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Spirit Level is optimized for iPhone 13 and iPhone 13 Pro! Also check out iMetalBox: 7 in 1, get 6 more tools with the price of one! You can use Spirit Level for: - Carpentry works - Measure angles and slopes - Home decoration - And much more! Calibrate instructions: - To calibrate the levels, hold the phone against a reference surface and press the Calibrate button. - Do this one time for the face-up orientation only.
Surface Tech AI
This AI-powered workspace consolidates conversations, documents, and business tools into a secure platform. It allows users to ask questions in natural language and receive instant, accurate answers, while also generating professional content and integrating with CRM systems.
- AI-powered natural language queries
- Document intelligence and semantic search
- Automated content generation (emails, reports)
- CRM system integration
- Knowledge base creation from conversations
- Secure, role-based access
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Ask Alfred – Your AI Command Center Ask Alfred is an AI-powered workspace designed to help teams work faster and smarter. It brings conversations, documents, business tools, and data into one secure platform, so you can focus on results instead of switching between apps. With Ask Alfred, you can ask questions in natural language and instantly get accurate answers. The AI understands your documents, workflows, and connected tools to deliver meaningful results in seconds. Ask Alfred enables powerful document intelligence. Upload files, search across them using semantic understanding, and retrieve insights based on meaning rather than keywords. The platform also simplifies everyday business tasks. Generate professional emails, reports, PDFs, and other content automatically, ready to share or download. Ask Alfred integrates with CRM systems, allowing you to search contacts, companies, and deals using natural language. No manual filtering or complex dashboards required. Conversations can be transformed into reusable knowledge. Build internal FAQs and shared answers that grow smarter over time, helping teams collaborate and stay aligned. Designed for mobile and enterprise use, Ask Alfred provides a personalized and secure experience with role-based access, data isolation, and scalable infrastructure. Ask Alfred is ideal for sales teams, support teams, operations, and leadership who need instant access to information and tools wherever they work. Install Ask Alfred and turn your workflows into one intelligent AI experience.
Screenshots
Verdict
The clearest difference is in-app purchases: Surface Tech AI at none against Spirit Level Plus's 1. Surface Tech AI also leads on update cadence (every 3 weeks vs every 6 months) and rating (5.0 vs 4.6). Spirit Level Plus's advantage is ratings volume (2.3K vs 1) and iOS requirement (10.3 vs 13.0). 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. Spirit Level Plus sells 1 one-off in-app purchase. Surface Tech AI asks for nothing beyond the download.
Surface Tech AI holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Spirit Level Plus has 2.3K ratings behind it against 1, so its average is the more settled of the two.
Spirit Level Plus ships an update every 6 months, Surface Tech AI every 3 weeks. The most recent releases landed on September 24, 2026 and September 10, 2026 respectively.
| Parameter | Spirit Level Plus | Surface Tech AI |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (2.3K ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 23.3% of reviews | — |
| Number of ratings | 2.3K — better | 1 |
| Update frequency | Every 6 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 10.3 — better | 13.0 |
| Further details — not scored | ||
| Size | 26 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Tue Nguyen Minh | SURFACE TECH LLC |
Customer experience
Spirit Level Plus
Surface Tech AI
Bugs and requests
Spirit Level Plus
Reported bugs
2 issues- Incompatibility with iOS 8.1
- Frequent timeouts and resets
Requested features
3 requests- Horizontal and vertical level display
- Calibration options
- More customization settings
Surface Tech AI
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Spirit Level Plus
- Tubular Level$0.99
Surface Tech AI
No in-app purchases
Questions
Is Spirit Level Plus free?
Is Surface Tech AI free?
Which has better reviews, Spirit Level Plus or Surface Tech AI?
Do Spirit Level Plus or Surface Tech AI have ads?
Which is updated more often, Spirit Level Plus or Surface Tech AI?
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