# TMS Events vs PHD Actuator Sizing

The clearest difference is ads: PHD Actuator Sizing at none against TMS Events's shown. PHD Actuator Sizing also leads on update cadence (every 3 weeks vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

TMS Events ships an update every 3 months, PHD Actuator Sizing every 3 weeks. The most recent releases landed on October 3, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | TMS Events | PHD Actuator Sizing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/phd-actuator-sizing/id6759474917/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 52 MB | 1 MB |
| Requires iOS | **16.4** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [The Minerals, Metals, and Materials Society Inc.](https://appshunter.io/developer/500943300) | [Krishna Meruva](https://appshunter.io/developer/1864409993) |

## What reviewers say

### TMS Events

[App page](https://appshunter.io/ios/app/tms-events/id6755206209)

**In-app purchases:** none


### PHD Actuator Sizing

[App page](https://appshunter.io/ios/app/phd-actuator-sizing/id6759474917)

This engineering tool helps automation professionals quickly size servo motors for industrial applications. It allows users to input motion profiles and automatically calculates torque and inertia for accurate motor selection. Generate detailed reports and verify performance against motor specifications.

**Highlights:** Select from full actuator lineup, Input motion profiles, Automatic RMS torque calculations, Inertia ratio verification, Peak torque and speed checks, Exportable sizing reports

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TMS Events free?

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

### Is PHD Actuator Sizing free?

PHD Actuator Sizing is free to download, with no in-app purchases.

### Do TMS Events or PHD Actuator Sizing have ads?

TMS Events shows ads; PHD Actuator Sizing does not.

### Which is updated more often, TMS Events or PHD Actuator Sizing?

TMS Events ships an update every 3 months, and PHD Actuator Sizing every 3 weeks. Most recently, TMS Events was updated on October 3, 2026 and PHD Actuator Sizing on October 18, 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.*