# Flinto vs Principle Mirror

The clearest difference is rating: Principle Mirror at 4.2 against Flinto's 3.3. Principle Mirror also leads on review sentiment (45% vs 36%) and iOS requirement (11.0 vs 13.0). Flinto's advantage is update cadence (every 3 weeks vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Principle Mirror holds the better App Store score, 4.2 against 3.3. Both are backed by a comparable volume of ratings — 18 and 14 respectively. Written reviews point the same way: 36% of Flinto's written reviews are positive against 45% of Principle Mirror's.

Flinto ships an update every 3 weeks, Principle Mirror every 2 months. The most recent releases landed on September 30, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Flinto | Principle Mirror |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (18 ratings)](https://appshunter.io/ios/app/flinto/id972238373/reviews) | **[4.2 (14 ratings)](https://appshunter.io/ios/app/principle-mirror/id991911319/reviews)** |
| Number of ratings | **18** | 14 |
| Positive reviews | 35.7% of reviews | **45.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 20 MB | 1 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Flinto, LLC.](https://appshunter.io/developer/972238372) | [Daniel Hooper](https://appshunter.io/developer/419502228) |

## What reviewers say

### Flinto

[App page](https://appshunter.io/ios/app/flinto/id972238373)

This companion app allows you to view high-fidelity prototypes created with Flinto for Mac. It supports custom animated transitions, gestures, and scrolling. Easily transfer your designs via email, Airdrop, or iCloud.

**Highlights:** View high-fidelity prototypes, Custom animated transitions, Direct manipulation gestures, Flexible scrolling options, Live preview from Mac, Easy file transfer

**Features:** macOS Compatibility

**In-app purchases:** none


### Principle Mirror

[App page](https://appshunter.io/ios/app/principle-mirror/id991911319)

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.

**Highlights:** Open Principle files, Mirror Principle for Mac, Interactive UI design, Companion app functionality

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Flinto free?

Flinto is free to download, with no in-app purchases.

### Is Principle Mirror free?

Principle Mirror is free to download, with no in-app purchases.

### Which has better reviews, Flinto or Principle Mirror?

Principle Mirror is rated higher. Flinto averages 3.3 out of 5 from 18 ratings, while Principle Mirror averages 4.2 from 14 ratings.

### Do Flinto or Principle Mirror have ads?

Neither Flinto nor Principle Mirror shows ads.

### Which is updated more often, Flinto or Principle Mirror?

Flinto ships an update every 3 weeks, and Principle Mirror every 2 months. Most recently, Flinto was updated on September 30, 2026 and Principle Mirror on September 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*