# SADPmini2 User App vs oLoader II

The clearest difference is ads: oLoader II at none against SADPmini2 User App's shown. oLoader II also leads on update cadence (every 8 days vs every 32 months). SADPmini2 User App's advantage is iOS requirement (8.0 vs 15.0). 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.

SADPmini2 User App ships an update every 32 months, oLoader II every 8 days. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SADPmini2 User App | oLoader II |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 32 months | **Every 8 days** |
| Monetization | Ad-supported | — |
| Size | 59 MB | 177 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alpha Moisture Systems Ltd.](https://appshunter.io/developer/1414914336) | [TIRAS-12, TOV](https://appshunter.io/developer/1140226201) |

## What reviewers say

### SADPmini2 User App

[App page](https://appshunter.io/ios/app/sadpmini2-user-app/id1414914337)

Easily calculate pressure dewpoints and convert between various moisture units. Offers an intuitive interface for accurate and instantaneous calculations of process moisture.

**Highlights:** Calculate dew point at different pressures, Convert between various moisture units, Intuitive and informative interface, Accurate and instantaneous calculations, Supports ppm(V), Saturated Vapour Pressure, lb/MMSCF, mg/m3

**Features:** macOS Compatibility

**In-app purchases:** none


### oLoader II

[App page](https://appshunter.io/ios/app/oloader-ii-for-engineers/id6477153101)

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

**In-app purchases:** none


## Frequently asked questions

### Is SADPmini2 User App free?

SADPmini2 User App is free to download, with no in-app purchases.

### Is oLoader II free?

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

### Do SADPmini2 User App or oLoader II have ads?

SADPmini2 User App shows ads; oLoader II does not.

### Which is updated more often, SADPmini2 User App or oLoader II?

SADPmini2 User App ships an update every 32 months, and oLoader II every 8 days. Most recently, SADPmini2 User App was updated on October 3, 2026 and oLoader II on October 9, 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.*