# Assignments for iPhone vs PHD Actuator Sizing

The clearest difference is update cadence: PHD Actuator Sizing at every 3 weeks against Assignments for iPhone's every 4 months. On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Assignments for iPhone against 5.0 for PHD Actuator Sizing. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Assignments for iPhone ships an update every 4 months, PHD Actuator Sizing every 3 weeks. The most recent releases landed on September 25, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Assignments for iPhone | PHD Actuator Sizing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/assignments-for-iphone/id1247688320/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/phd-actuator-sizing/id6759474917/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 12 MB | 1 MB |
| Requires iOS | **16.1** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Pinwheel Development, Inc.](https://appshunter.io/developer/285043582) | [Krishna Meruva](https://appshunter.io/developer/1864409993) |

## What reviewers say

### Assignments for iPhone

[App page](https://appshunter.io/ios/app/assignments-for-iphone/id1247688320)

Manage your schoolwork with this organizer app. Track assignments, courses, and grades with calendar views and customizable notifications. Powerful search and archiving features help you stay on top of your studies.

**Highlights:** Assignment and course tracking, Calendar-based views, Grade calculation with weighted percentages, Customizable notifications, Assignment inbox and course-specific views, Powerful search functionality, Assignment archiving

**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 Assignments for iPhone free?

Assignments for iPhone 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, Assignments for iPhone or PHD Actuator Sizing?

Assignments for iPhone and PHD Actuator Sizing are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do Assignments for iPhone or PHD Actuator Sizing have ads?

Neither Assignments for iPhone nor PHD Actuator Sizing shows ads.

### Which is updated more often, Assignments for iPhone or PHD Actuator Sizing?

Assignments for iPhone ships an update every 4 months, and PHD Actuator Sizing every 3 weeks. Most recently, Assignments for iPhone was updated on September 25, 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.*