Principle Mirror vs Creative Preview
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Principle Mirror
Design interactive user interfaces with this companion app for a popular Mac design tool. Seamlessly open Principle files or mirror your Mac's design work directly to your device.
- Open Principle files
- Mirror Principle for Mac
- Interactive UI design
- Companion app functionality
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Principle Mirror is the companion app to Principle for Mac, a tool for designing interactive interfaces. Principle Mirror can open Principle files from other apps or mirror Principle for Mac when plugged in. “I just wanted to write to you quickly just to say — this. is. amazing. while I was watching the first tutorial I got tears in my eyes! seriously.” Hugo Ahlberg Designer, IDEO "This tool is amazing, very well done." Patrick Wong Designer, Lyft
Creative Preview
Test mobile ads directly on your smartphone or tablet before they go live. Scan QR codes or enter creative URLs to preview display and video ads. Review reporting metrics within the app's console.
- Preview display and video creatives
- Test ads on smartphone or tablet
- Scan QR codes for preview
- Manually add creative URLs
- Review reporting metrics
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Make sure you know how consumers will experience your ad when it goes live. Creative Preview helps you test mobile ads directly on a smartphone or tablet. Scan a QR code from a Google Marketing Platform product to preview an ad on your device, or manually add a creative URL. Test on your device using the supported mobile ad SDKs or in any mobile browser, and review reporting metrics in the app's console. Use Creative Preview to: * Preview and test display and video creatives directly on your mobile device. Supported mobile ad SDKs: * Google Mobile Ads * Interactive Media Ads (IMA) Permissions Notice: * Camera: Needed to scan QR codes. * Microphone: Needed to preview creatives using mobile ads SDKs that support audio recording. * Storage: Needed to attach photos, videos, and local files for submitting app feedback. It's also needed to save your preview list and app settings.
Screenshots
Verdict
The clearest difference is ads: Principle Mirror at none against Creative Preview's shown. Principle Mirror also leads on monetization model (free vs ad-supported) and iOS requirement (11.0 vs 17.0). On price, rating, review sentiment and ratings volume 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.2 for Principle Mirror against 4.3 for Creative Preview. Both are backed by a comparable volume of ratings — 14 and 24 respectively. Written reviews are what separate them: 45% of Principle Mirror's written reviews are positive against 40% of Creative Preview's.
Principle Mirror ships an update every 2 months, Creative Preview every 4 months. The most recent releases landed on October 12, 2026 and September 26, 2026 respectively.
| Parameter | Principle Mirror | Creative Preview |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (14 ratings) | 4.3 (24 ratings) — better |
| Positive reviews | 45.2% of reviews — better | 40.0% of reviews |
| Number of ratings | 14 | 24 — better |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Daniel Hooper | |
Customer experience
Principle Mirror
Creative Preview
In-app purchases
Principle Mirror
No in-app purchases
Creative Preview
No in-app purchases
Questions
Is Principle Mirror free?
Is Creative Preview free?
Which has better reviews, Principle Mirror or Creative Preview?
Do Principle Mirror or Creative Preview have ads?
Which is updated more often, Principle Mirror or Creative Preview?
Other comparisons
