# UnitsConv vs DGen

The clearest difference is in-app purchases: UnitsConv at none against DGen's 1. UnitsConv also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.1). On price, update cadence and device support there is nothing between them.

Both are free to download. DGen sells 1 in-app purchase, starting at $4.99 per month. UnitsConv asks for nothing beyond the download.

UnitsConv ships an update every 4 months, DGen every 6 months. The most recent releases landed on September 28, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | UnitsConv | DGen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/unitsconv/id1291109803/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Free | — |
| Size | 8 MB | 42 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [john selverian](https://appshunter.io/developer/1291109802) | [Murshid Abu madi](https://appshunter.io/developer/1842810827) |

## What reviewers say

### UnitsConv

[App page](https://appshunter.io/ios/app/unitsconv/id1291109803)

This app provides conversion factors for 28 common properties used in multiphysics simulations and finite element analysis. It's a free tool designed for engineers and researchers working with complex physical models.

**Highlights:** 28 conversion properties, Multiphysics simulation support, Finite element analysis (FEA) focus, Free to use, Supports iPhone, iPad, and iPod

**Features:** macOS Compatibility

**In-app purchases:** none


### DGen

[App page](https://appshunter.io/ios/app/dgen-worktimetracker/id6753167442)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $4.99 | per month |


## Frequently asked questions

### Is UnitsConv free?

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

### Is DGen free?

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

### Do UnitsConv or DGen have ads?

DGen shows ads; UnitsConv does not.

### Which is updated more often, UnitsConv or DGen?

UnitsConv ships an update every 4 months, and DGen every 6 months. Most recently, UnitsConv was updated on September 28, 2026 and DGen on October 5, 2026.

---

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