# PDCheck AR vs Eyeblinkr

The clearest difference is price: PDCheck AR at Free against Eyeblinkr's $1.99. PDCheck AR also leads on rating (4.9 vs 2.7) and update cadence (every 3 months vs every 41 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

PDCheck AR is free to download; Eyeblinkr costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PDCheck AR holds the better App Store score, 4.9 against 2.7. That said, the two scores are not equally well evidenced: PDCheck AR has 3.8K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 70% of PDCheck AR's written reviews are positive against 50% of Eyeblinkr's.

PDCheck AR ships an update every 3 months, Eyeblinkr every 41 months. The most recent releases landed on October 20, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | PDCheck AR | Eyeblinkr |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.9 (3.8K ratings)](https://appshunter.io/ios/app/pdcheck-ar/id1563806777/reviews)** | [2.7 (3 ratings)](https://appshunter.io/ios/app/eyeblinkr/id1566585351/reviews) |
| Number of ratings | **3.8K** | 3 |
| Positive reviews | **70.1% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 41 months |
| Monetization | **Free** | Paid |
| Size | 18 MB | 13 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [EyeQue Corporation](https://appshunter.io/developer/1127114607) | [Flammy Design](https://appshunter.io/developer/385920006) |

## What reviewers say

### PDCheck AR

[App page](https://appshunter.io/ios/app/pdcheck-ar/id1563806777)

Instantly measure your pupillary distance using your phone's camera and augmented reality. This app provides accurate measurements for both distance and near viewing, essential for ordering glasses or adjusting VR headsets. Compatible with Face ID-enabled iPhones.

**Highlights:** Measures far pupillary distance, Measures near pupillary distance, No external tools required, Compatible with Face ID iPhones, Share results via email, Useful for ordering eyewear, Adjust VR headset fit

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Quick and easy to use
- 👍 Straight-forward, no fuss
- 👍 Accurate and consistent measurements
- 👍 Detailed measurements (far PD, near PD, individual eye PDs)
- 👍 Convenient for online orders

**What reviewers complain about**

- 🐛 Inconsistent or inaccurate measurements
- 🐛 Doesn't work on some devices

**Reported bugs**

- Measure button not working
- Measurements changing every time

**Requested features**

- Dark mode option
- Ability to save and share measurements


### Eyeblinkr

[App page](https://appshunter.io/ios/app/eyeblinkr/id1566585351)

This app uses your device's TrueDepth camera to monitor your eye blinking frequency. It can alert you if you haven't blinked in a while, helping to prevent dry eyes, especially during screen time. It works offline and supports a wide range of compatible Apple devices.

**Highlights:** TrueDepth camera eye blink tracking, Dry eye prevention alerts, Offline functionality, Supported device list, Real-time blink count

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PDCheck AR free?

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

### Is Eyeblinkr free?

Eyeblinkr costs $1.99, with no in-app purchases.

### Which has better reviews, PDCheck AR or Eyeblinkr?

PDCheck AR is rated higher. PDCheck AR averages 4.9 out of 5 from 3.8K ratings, while Eyeblinkr averages 2.7 from 3 ratings.

### Do PDCheck AR or Eyeblinkr have ads?

Neither PDCheck AR nor Eyeblinkr shows ads.

### Which is updated more often, PDCheck AR or Eyeblinkr?

PDCheck AR ships an update every 3 months, and Eyeblinkr every 41 months. Most recently, PDCheck AR was updated on October 20, 2026 and Eyeblinkr on October 5, 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.*