# PaulstraSoft vs benzaiflow

The clearest difference is in-app purchases: PaulstraSoft at none against benzaiflow's 1. PaulstraSoft also leads on iOS requirement (10.0 vs 15.1). benzaiflow's advantage is update cadence (every 10 days vs every 13 months). On price, ads and device support there is nothing between them.

Both are free to download. benzaiflow sells 1 in-app purchase, starting at $12.99 per month. PaulstraSoft asks for nothing beyond the download.

PaulstraSoft ships an update every 13 months, benzaiflow every 10 days. The most recent releases landed on October 21, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | PaulstraSoft | benzaiflow |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 138 MB | 56 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 17+ |
| Developer | [HUTCHINSON](https://appshunter.io/developer/862345826) | [Monocursive](https://appshunter.io/developer/1052580056) |

## What reviewers say

### PaulstraSoft

[App page](https://appshunter.io/ios/app/paulstrasoft/id1242874951)

This tool helps determine the right antivibration solution for machines by performing vibratory measurements. It offers functions for calculating attenuation, stops, and shock response, along with access to product datasheets.

**Highlights:** Vibratory measure, Vibratory attenuation calculation, Stops calculation, Shock response calculation, Product datasheet access

**Features:** macOS Compatibility

**In-app purchases:** none


### benzaiflow

[App page](https://appshunter.io/ios/app/benzaiflow/id6759196532)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BenzaiFlow Premium | $12.99 | per month |


## Frequently asked questions

### Is PaulstraSoft free?

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

### Is benzaiflow free?

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

### Do PaulstraSoft or benzaiflow have ads?

Neither PaulstraSoft nor benzaiflow shows ads.

### Which is updated more often, PaulstraSoft or benzaiflow?

PaulstraSoft ships an update every 13 months, and benzaiflow every 10 days. Most recently, PaulstraSoft was updated on October 21, 2026 and benzaiflow on October 10, 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.*