# PD Measure Ruler vs Noree

The clearest difference is rating: Noree at 5.0 against PD Measure Ruler's 4.0. PD Measure Ruler's advantage is update cadence (every 6 days vs monthly) and ratings volume (41 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. PD Measure Ruler sells 4 in-app purchases, starting at $2.99 per 7 days and Noree sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Noree holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: PD Measure Ruler has 41 ratings behind it against 1, so its average is the more settled of the two.

PD Measure Ruler ships an update every 6 days, Noree monthly. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | PD Measure Ruler | Noree |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (41 ratings)](https://appshunter.io/ios/app/pd-measure-ruler/id6670557555/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/noree-flow-and-focus-timer/id6776087466/reviews)** |
| Number of ratings | **41** | 1 |
| Positive reviews | 27.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 24 MB | 38 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [VisTech.Projects LLC](https://appshunter.io/developer/620969851) | [Franck Dosso](https://appshunter.io/developer/1465656914) |

## What reviewers say

### PD Measure Ruler

[App page](https://appshunter.io/ios/app/pd-measure-ruler/id6670557555)

Accurately measure your pupillary distance (PD) for eyeglasses and VR headsets. Offers both manual and automatic measurement modes for precise results. Optimize your eyewear fit with this user-friendly tool.

**Highlights:** Manual PD measurement, Automatic PD measurement, Accurate and precise readings, User-friendly interface, Eyeglass fitting assistance, VR headset adjustment

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Weekly | $7.99 | per 7 days |
| Monthly | $14.99 | per month |


### Noree

[App page](https://appshunter.io/ios/app/noree-flow-and-focus-timer/id6776087466)

This app offers a minimalist approach to productivity, helping users concentrate on a single task at a time. It utilizes a simple timer to encourage focused work sessions, promoting momentum and task completion.

**Highlights:** Single task focus, Pomodoro-style timer, Calm visual design, Daily clean slate, Momentum building, Procrastination aid

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $19.99 | per year |


## Frequently asked questions

### Is PD Measure Ruler free?

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

### Is Noree free?

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

### Which has better reviews, PD Measure Ruler or Noree?

Noree is rated higher. PD Measure Ruler averages 4.0 out of 5 from 41 ratings, while Noree averages 5.0 from 1 ratings.

### Do PD Measure Ruler or Noree have ads?

Neither PD Measure Ruler nor Noree shows ads.

### Which is updated more often, PD Measure Ruler or Noree?

PD Measure Ruler ships an update every 6 days, and Noree monthly. Most recently, PD Measure Ruler was updated on October 24, 2026 and Noree on October 12, 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.*