# BTECH UV Programmer vs PD Measure Ruler

The clearest difference is rating: BTECH UV Programmer at 4.6 against PD Measure Ruler's 4.0. BTECH UV Programmer also leads on in-app purchases (none vs 4) and review sentiment (52% vs 27%). PD Measure Ruler's advantage is update cadence (every 6 days vs every 3 weeks) and ratings volume (41 vs 12). On price, ads, device support and iOS requirement 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. BTECH UV Programmer asks for nothing beyond the download.

BTECH UV Programmer holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 12 and 41 respectively. Written reviews point the same way: 52% of BTECH UV Programmer's written reviews are positive against 27% of PD Measure Ruler's.

BTECH UV Programmer ships an update every 3 weeks, PD Measure Ruler every 6 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | BTECH UV Programmer | PD Measure Ruler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (12 ratings)](https://appshunter.io/ios/app/btech-uv-programmer/id6478199714/reviews)** | [4.0 (41 ratings)](https://appshunter.io/ios/app/pd-measure-ruler/id6670557555/reviews) |
| Number of ratings | 12 | **41** |
| Positive reviews | **51.6% of reviews** | 27.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 32 MB | 24 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [B-Tech Distribution, Inc](https://appshunter.io/developer/1621110937) | [VisTech.Projects LLC](https://appshunter.io/developer/620969851) |

## What reviewers say

### BTECH UV Programmer

[App page](https://appshunter.io/ios/app/btech-uv-programmer/id6478199714)

Effortlessly manage and customize your BTECH UV-PRO Dual Band Radio. This app enables seamless Bluetooth integration for wireless programming, firmware updates, and real-time data sharing, even offline. Tailor your radio's settings for a personalized communication experience.

**Highlights:** Bluetooth radio programming, Wireless firmware updates, Real-time data sharing, Offline programming capabilities, Advanced radio customization, Global network group management

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is BTECH UV Programmer free?

BTECH UV Programmer is free to download, with no in-app purchases.

### Is PD Measure Ruler free?

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

### Which has better reviews, BTECH UV Programmer or PD Measure Ruler?

BTECH UV Programmer is rated higher. BTECH UV Programmer averages 4.6 out of 5 from 12 ratings, while PD Measure Ruler averages 4.0 from 41 ratings.

### Do BTECH UV Programmer or PD Measure Ruler have ads?

Neither BTECH UV Programmer nor PD Measure Ruler shows ads.

### Which is updated more often, BTECH UV Programmer or PD Measure Ruler?

BTECH UV Programmer ships an update every 3 weeks, and PD Measure Ruler every 6 days. Most recently, BTECH UV Programmer was updated on October 25, 2026 and PD Measure Ruler on October 24, 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.*