# Measures Unit Converter vs DS cam

The clearest difference is review sentiment: Measures Unit Converter at 91% against DS cam's 32%. Measures Unit Converter also leads on rating (4.4 vs 3.0) and update cadence (every 8 days vs every 4 months). DS cam's advantage is price (Free vs $1.99) and in-app purchases (none vs 4). On ads and device support there is nothing between them.

DS cam is free to download; Measures Unit Converter costs $1.99 up front. Measures Unit Converter sells 4 one-off in-app purchases. DS cam asks for nothing beyond the download.

Measures Unit Converter holds the better App Store score, 4.4 against 3.0. That said, the two scores are not equally well evidenced: DS cam has 176 ratings behind it against 30, so its average is the more settled of the two. Written reviews point the same way: 91% of Measures Unit Converter's written reviews are positive against 32% of DS cam's.

Measures Unit Converter ships an update every 8 days, DS cam every 4 months. Both last shipped on October 20, 2026.

## The numbers

| Metric | Measures Unit Converter | DS cam |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.4 (30 ratings)](https://appshunter.io/ios/app/measures-unit-converter/id287918318/reviews)** | [3.0 (176 ratings)](https://appshunter.io/ios/app/ds-cam/id349087111/reviews) |
| Number of ratings | 30 | **176** |
| Positive reviews | **91.4% of reviews** | 31.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 18 MB | 85 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Neuwert Media GmbH](https://appshunter.io/developer/287918321) | [Synology Inc.](https://appshunter.io/developer/321493109) |

## What reviewers say

### Measures Unit Converter

[App page](https://appshunter.io/ios/app/measures-unit-converter/id287918318)

This app offers a comprehensive unit conversion tool with over 971 units across 40 categories, including 173 currencies with real-time exchange rates. It features an intuitive interface, a scientific calculator, and offline functionality, making it ideal for precise conversions.

**Highlights:** 971 units across 40 categories, 173 currencies with real-time rates, Offline conversion functionality, Scientific calculator, Intuitive redesigned interface, Customizable themes

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $1.99 | one-time |
| Breakfast | $4.99 | one-time |
| Lunch | $9.99 | one-time |
| Dinner | $19.99 | one-time |

**What reviewers like**

- 👍 Simple and intuitive interface
- 🚀 Comprehensive range of conversions
- 💡 Customizable unit selection
- 🔍 Accurate and up-to-date currency rates
- 🔢 Handy built-in calculator

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🔀 Cumbersome navigation for some conversions
- 🔍 Lack of customization options for some units
- 💤 Outdated or inaccurate conversion factors in some cases

**Reported bugs**

- Crashes on launch with iOS 7.0.2
- Inconsistent behavior when changing units in calculator

**Requested features**

- Add ability to swap conversion directions
- Improve currency conversion to show tourist rates
- Expand RF/frequency conversion options
- Add support for more advanced unit types (e.g. wind chill, biblical currencies)


### DS cam

[App page](https://appshunter.io/ios/app/ds-cam/id349087111)

Monitor and receive alerts from your Synology surveillance cameras. Control PTZ, patrols, and lens functions in real-time. Easily filter recordings and manage essential tasks like disabling cameras or deleting snapshots.

**Highlights:** Real-time camera monitoring, Alert notifications, PTZ, patrol, and lens control, Advanced recording filters, Essential management tasks, Snapshot management

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Works great
- 👍 Good and useful app
- 🚀 Fast and stable
- 👍 Completely control camera recordings
- 👍 Toggle through events easily

**What reviewers complain about**

- 🐛 Regular app crashing
- 🐛 Crashes frequently
- 🐛 Cannot scroll back in timeline without issues
- 🐛 Event viewer rarely works
- 🐛 Slow and clunky

**Reported bugs**

- Regular app crashing
- Cannot scroll back in timeline without issues
- Event viewer rarely works
- Keeps buffering
- Crashes constantly

**Requested features**

- Selective motion notifications
- Custom notification sounds
- Ability to categorize alerts
- Live scrubbing on timeline
- Bookmarks and advanced filtering


## Frequently asked questions

### Is Measures Unit Converter free?

Measures Unit Converter costs $1.99, and also offers in-app purchases.

### Is DS cam free?

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

### Which has better reviews, Measures Unit Converter or DS cam?

Measures Unit Converter is rated higher. Measures Unit Converter averages 4.4 out of 5 from 30 ratings, while DS cam averages 3.0 from 176 ratings.

### Do Measures Unit Converter or DS cam have ads?

Neither Measures Unit Converter nor DS cam shows ads.

### Which is updated more often, Measures Unit Converter or DS cam?

Measures Unit Converter ships an update every 8 days, and DS cam every 4 months. Most recently, Measures Unit Converter was updated on October 20, 2026 and DS cam on October 20, 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.*