# Units vs BridgeDoc

The clearest difference is rating: BridgeDoc at 5.0 against Units's 4.1. BridgeDoc also leads on in-app purchases (none vs 3) and ads (none vs shown). Units's advantage is ratings volume (51 vs 1). On price, update cadence and device support there is nothing between them.

Both are free to download. Units sells 3 one-off in-app purchases. BridgeDoc asks for nothing beyond the download.

BridgeDoc holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Units has 51 ratings behind it against 1, so its average is the more settled of the two.

Units ships an update monthly, BridgeDoc every 5 weeks. The most recent releases landed on October 29, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Units | BridgeDoc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (51 ratings)](https://appshunter.io/ios/app/units-pro-unit-converter/id284574017/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bridgedoc/id6742199093/reviews)** |
| Number of ratings | **51** | 1 |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 86 MB | 44 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Homegrown Software Ltd](https://appshunter.io/developer/406645730) | [BridgeDoc, Inc.](https://appshunter.io/developer/1797363964) |

## What reviewers say

### Units

[App page](https://appshunter.io/ios/app/units-pro-unit-converter/id284574017)

Easily convert between hundreds of units across 43 categories, including currency with daily updated rates. Customize your workflow by hiding or reordering units and categories.

**Highlights:** Hundreds of units across 43 categories, Daily updated currency exchange rates, Hide unused units, Reorder units and categories, Universal app support (iPhone, iPod touch, iPad)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |

**What reviewers like**

- 🚀 Efficient and fast conversions
- 👍 Comprehensive list of units
- 🔍 Customizable unit selection
- 💰 Free app with optional paid version
- 🔧 Useful for engineering and technical work

**What reviewers complain about**

- 🐛 Crashes and stability issues
- 🕰️ Outdated currency conversion rates
- 🔍 Too many unit categories, hard to navigate
- 💰 Ads in free version
- 📏 Ruler feature not accurate on some devices

**Reported bugs**

- Crashes when clearing input fields
- Numerical keypad covers conversion results
- Incompatibility issues with newer iOS versions
- Ruler measurements not accurate on all devices

**Requested features**

- Add nautical units (miles, knots)
- Improve currency conversion accuracy and updates
- Allow customization of visible unit categories
- Add more clothing/shoe size conversions
- Improve user interface and search functionality


### BridgeDoc

[App page](https://appshunter.io/ios/app/bridgedoc/id6742199093)

This application streamlines daily field reporting and bulletin creation. It allows users to easily document site activities and generate comprehensive reports. Designed for efficient communication and record-keeping in the field.

**Highlights:** Daily reporting, Bulletin creation, Field documentation, Site activity logging, Report generation

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

**In-app purchases:** none


## Frequently asked questions

### Is Units free?

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

### Is BridgeDoc free?

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

### Which has better reviews, Units or BridgeDoc?

BridgeDoc is rated higher. Units averages 4.1 out of 5 from 51 ratings, while BridgeDoc averages 5.0 from 1 ratings.

### Do Units or BridgeDoc have ads?

Units shows ads; BridgeDoc does not.

### Which is updated more often, Units or BridgeDoc?

Units ships an update monthly, and BridgeDoc every 5 weeks. Most recently, Units was updated on October 29, 2026 and BridgeDoc on October 9, 2026.

---

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