# EyeQue PDCheck vs PD+

The clearest difference is rating: PD+ at 4.7 against EyeQue PDCheck's 3.6. PD+ also leads on ads (none vs shown) and review sentiment (57% vs 31%). EyeQue PDCheck's advantage is in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 2 months). On price and device support there is nothing between them.

Both are free to download. PD+ sells 1 one-off in-app purchase. EyeQue PDCheck asks for nothing beyond the download.

PD+ holds the better App Store score, 4.7 against 3.6. Both are backed by a comparable volume of ratings — 130 and 509 respectively. Written reviews point the same way: 31% of EyeQue PDCheck's written reviews are positive against 57% of PD+'s.

EyeQue PDCheck ships an update every 3 weeks, PD+ every 2 months. The most recent releases landed on August 24, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | EyeQue PDCheck | PD+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (130 ratings)](https://appshunter.io/ios/app/eyeque-pdcheck/id1442000116/reviews) | **[4.7 (509 ratings)](https://appshunter.io/ios/app/pd-plus-easy-pupillary-distance/id1560353383/reviews)** |
| Number of ratings | 130 | **509** |
| Positive reviews | 31.4% of reviews | **56.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 18 MB | 76 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [EyeQue Corporation](https://appshunter.io/developer/1127114607) | [Zernike LLC](https://appshunter.io/developer/1636196510) |

## What reviewers say

### EyeQue PDCheck

[App page](https://appshunter.io/ios/app/eyeque-pdcheck/id1442000116)

Easily measure your pupillary distance (PD) using your smartphone and specialized frames. This app guides you through a simple selfie process to get an accurate PD measurement, essential for ordering glasses or using VR headsets.

**Highlights:** Measure pupillary distance (PD), Use smartphone camera for measurement, Requires PDCheck Frames, Selfie or friend-assisted photos, Adjustable pupil markers

**Features:** macOS Compatibility

**In-app purchases:** none


### PD+

[App page](https://appshunter.io/ios/app/pd-plus-easy-pupillary-distance/id1560353383)

This app measures pupillary distance (PD) and fitting heights using your device's camera. It offers various optical calculators for lens adjustments and acuity estimations. Accurate measurements are crucial for optimal lens centering and multifocal lens positioning.

**Highlights:** Pupillary distance measurement, Fitting height measurement, Binocular and monocular PD, Rx transposition calculator, Vertex adjustment calculator, Crossed cylinders calculator, Minimum blank size calculator

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Subscription | $7.99 | one-time |

**What reviewers like**

- 👍 Easy and quick measurement
- 💡 Clever and innovative app
- ⭐ Highly accurate measurements
- 👍 Friendly and easy to use
- 🗣️ Voice instructions included

**What reviewers complain about**

- 📉 Unstable measurements
- ❓ Measurement inconsistency
- ❌ Inaccurate PD readings
- 🤔 Measurements not trustworthy
- 📏 PD off by several mm

**Reported bugs**

- Face size unstable
- Camera distance sensitive
- App keeps crashing
- PD feature doesn't work on iPad
- Page stays black on iPad

**Requested features**

- Can this app measure the PD for progressive lenses for right and left eyes?


## Frequently asked questions

### Is EyeQue PDCheck free?

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

### Is PD+ free?

PD+ is free to download, with in-app purchases available.

### Which has better reviews, EyeQue PDCheck or PD+?

PD+ is rated higher. EyeQue PDCheck averages 3.6 out of 5 from 130 ratings, while PD+ averages 4.7 from 509 ratings.

### Do EyeQue PDCheck or PD+ have ads?

EyeQue PDCheck shows ads; PD+ does not.

### Which is updated more often, EyeQue PDCheck or PD+?

EyeQue PDCheck ships an update every 3 weeks, and PD+ every 2 months. Most recently, EyeQue PDCheck was updated on August 24, 2026 and PD+ on September 26, 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.*