# Pneumatic Workflow vs Deadlines reminder

The clearest difference is in-app purchases: Pneumatic Workflow at none against Deadlines reminder's 1. Deadlines reminder's advantage is update cadence (every 5 months vs every 18 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Deadlines reminder sells 1 in-app purchase, starting at $2.99 per year. Pneumatic Workflow asks for nothing beyond the download.

Pneumatic Workflow ships an update every 18 months, Deadlines reminder every 5 months. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Pneumatic Workflow | Deadlines reminder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 18 months | **Every 5 months** |
| Size | 31 MB | 51 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pneumatic Software Inc.](https://appshunter.io/developer/1618358218) | [Thomas Sambugaro](https://appshunter.io/developer/1654147996) |

## What reviewers say

### Pneumatic Workflow

[App page](https://appshunter.io/ios/app/pneumatic-workflow/id1618369634)

**In-app purchases:** none


### Deadlines reminder

[App page](https://appshunter.io/ios/app/deadlines-reminder/id6741763061)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro version | $2.99 | per year |


## Frequently asked questions

### Is Pneumatic Workflow free?

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

### Is Deadlines reminder free?

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

### Do Pneumatic Workflow or Deadlines reminder have ads?

Both Pneumatic Workflow and Deadlines reminder show ads.

### Which is updated more often, Pneumatic Workflow or Deadlines reminder?

Pneumatic Workflow ships an update every 18 months, and Deadlines reminder every 5 months. Most recently, Pneumatic Workflow was updated on October 9, 2026 and Deadlines reminder on October 2, 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.*