# Assadafa vs ResToolbox3

The clearest difference is update cadence: ResToolbox3 at every 6 days against Assadafa's every 3 weeks. Assadafa's advantage is iOS requirement (13.0 vs 15.0). On price, ads, 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.

Assadafa ships an update every 3 weeks, ResToolbox3 every 6 days. The most recent releases landed on September 30, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Assadafa | ResToolbox3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/restoolbox3/id6759464322/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | — | Free |
| Size | 55 MB | 25 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [REDWAN MO ALHADI KABOUKA](https://appshunter.io/developer/1832690898) | [MobileReservoir](https://appshunter.io/developer/497057811) |

## What reviewers say

### Assadafa

[App page](https://appshunter.io/ios/app/assadafa/id6742414025)

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

**In-app purchases:** none


### ResToolbox3

[App page](https://appshunter.io/ios/app/restoolbox3/id6759464322)

This petroleum engineering calculator provides rapid answers for engineers in the field or office. It offers comprehensive tools for fluid properties, gas hydrate prediction, nodal analysis, production forecasting, volumetrics, and well testing, all accessible offline.

**Highlights:** Fluid properties (PVT) analysis, Gas hydrate prediction, Nodal analysis for wells, Production forecasting, Volumetric calculations, Well test analysis, Offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Assadafa free?

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

### Is ResToolbox3 free?

ResToolbox3 is free to download, with no in-app purchases.

### Do Assadafa or ResToolbox3 have ads?

Neither Assadafa nor ResToolbox3 shows ads.

### Which is updated more often, Assadafa or ResToolbox3?

Assadafa ships an update every 3 weeks, and ResToolbox3 every 6 days. Most recently, Assadafa was updated on September 30, 2026 and ResToolbox3 on October 8, 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.*