# Paymo Project Management vs PHD Actuator Sizing

The clearest difference is rating: PHD Actuator Sizing at 5.0 against Paymo Project Management's 4.3. PHD Actuator Sizing also leads on monetization model (free vs freemium). Paymo Project Management's advantage is ratings volume (60 vs 2) and device support (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

PHD Actuator Sizing holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Paymo Project Management has 60 ratings behind it against 2, so its average is the more settled of the two.

Paymo Project Management ships an update every 5 weeks, PHD Actuator Sizing every 3 weeks. The most recent releases landed on August 7, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Paymo Project Management | PHD Actuator Sizing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (60 ratings)](https://appshunter.io/ios/app/paymo-project-management/id1457695803/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/phd-actuator-sizing/id6759474917/reviews)** |
| Number of ratings | **60** | 2 |
| Positive reviews | 81.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Freemium | **Free** |
| Size | 24 MB | 1 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Paymo S.R.L.](https://appshunter.io/developer/906990861) | [Krishna Meruva](https://appshunter.io/developer/1864409993) |

## What reviewers say

### Paymo Project Management

[App page](https://appshunter.io/ios/app/paymo-project-management/id1457695803)

This app helps you manage projects, track time, and create invoices. Organize tasks, collaborate with your team, and monitor project progress to ensure profitability. It offers features for planning, time tracking, and invoicing on the go.

**Highlights:** Task management and collaboration, Time tracking via stopwatch or manual entry, Project planning and progress overview, Mobile invoicing and payment acceptance, Receipt and expense tracking, Team communication and file sharing

**Features:** macOS Compatibility

**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 Paymo Project Management free?

Paymo Project Management 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.

### Which has better reviews, Paymo Project Management or PHD Actuator Sizing?

PHD Actuator Sizing is rated higher. Paymo Project Management averages 4.3 out of 5 from 60 ratings, while PHD Actuator Sizing averages 5.0 from 2 ratings.

### Do Paymo Project Management or PHD Actuator Sizing have ads?

Neither Paymo Project Management nor PHD Actuator Sizing shows ads.

### Which is updated more often, Paymo Project Management or PHD Actuator Sizing?

Paymo Project Management ships an update every 5 weeks, and PHD Actuator Sizing every 3 weeks. Most recently, Paymo Project Management was updated on August 7, 2026 and PHD Actuator Sizing on September 14, 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.*