# Manifold Link vs Unit Convert Master

The clearest difference is ads: Manifold Link at none against Unit Convert Master's shown. Manifold Link also leads on update cadence (every 3 weeks vs every 4 months) and monetization model (free vs ad-supported). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Manifold Link ships an update every 3 weeks, Unit Convert Master every 4 months. The most recent releases landed on October 13, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Manifold Link | Unit Convert Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/unit-convert-master/id6743671551/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | **Free** | Ad-supported |
| Size | 29 MB | 4 MB |
| Requires iOS | **7.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [CPS Products](https://appshunter.io/developer/945771072) | [Mizuki Hoshida](https://appshunter.io/developer/1797942917) |

## What reviewers say

### Manifold Link

[App page](https://appshunter.io/ios/app/manifold-link/id945771073)

Remotely control and monitor select functions of wireless digital manifolds for HVAC servicing. View system measurements, graphical data, and log information for comprehensive equipment analysis.

**Highlights:** Remote communication with digital manifolds, Control select manifold functions, Comprehensive system measurement views, Graphical depictions of test functions, Data logging capabilities

**In-app purchases:** none


### Unit Convert Master

[App page](https://appshunter.io/ios/app/unit-convert-master/id6743671551)

Easily convert between over 100 measurement units across 15 categories. This app offers a user-friendly interface, offline functionality, and a history of your conversions for quick access. Ideal for students, professionals, and everyday users needing precise calculations.

**Highlights:** 15+ conversion categories, 100+ measurement units, Intuitive interface with themes, Custom keyboard for input, Conversion history with search, Offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Manifold Link free?

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

### Is Unit Convert Master free?

Unit Convert Master is free to download, with no in-app purchases.

### Do Manifold Link or Unit Convert Master have ads?

Unit Convert Master shows ads; Manifold Link does not.

### Which is updated more often, Manifold Link or Unit Convert Master?

Manifold Link ships an update every 3 weeks, and Unit Convert Master every 4 months. Most recently, Manifold Link was updated on October 13, 2026 and Unit Convert Master on October 1, 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.*