# OutlineProcessor vs DutyCal

The clearest difference is rating: DutyCal at 5.0 against OutlineProcessor's 3.5. DutyCal also leads on update cadence (every 4 days vs every 59 months). OutlineProcessor's advantage is monetization model (free with in-app purchases vs subscription) and ratings volume (4 vs 1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. OutlineProcessor sells 1 one-off in-app purchase and DutyCal sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

DutyCal holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

OutlineProcessor ships an update every 59 months, DutyCal every 4 days. The most recent releases landed on October 21, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | OutlineProcessor | DutyCal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (4 ratings)](https://appshunter.io/ios/app/outlineprocessor/id1043577975/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dutycal/id6775201275/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 59 months | **Every 4 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 3 MB | 11 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [hirokazu murabe](https://appshunter.io/developer/894364772) | [Rushabh Soni](https://appshunter.io/developer/1862376071) |

## What reviewers say

### OutlineProcessor

[App page](https://appshunter.io/ios/app/outlineprocessor/id1043577975)

This app helps you organize thoughts and ideas with a simple yet powerful outliner. Create nested lists, manage multiple projects, and use intuitive controls to structure essays, novels, or tasks. Its clean interface minimizes distractions for focused thinking.

**Highlights:** Infinite hierarchy for nested lists, Intuitive controls for reordering items, Multiple document management, Focus-oriented minimalist interface, Idea capture and development

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hide Advertisement | $2.99 | one-time |


### DutyCal

[App page](https://appshunter.io/ios/app/dutycal/id6775201275)

This app syncs your flight schedule from your crew portal to your iPhone Calendar and provides a printable monthly overview for your family. It offers weather updates, pre-departure alarms, and a pay estimate, all while prioritizing user privacy.

**Highlights:** Roster sync to iPhone Calendar, Printable monthly overview sheet, Weather updates for flights, Pre-departure alarms, Monthly pay estimate, Logbook data import, FAR 117 compliance tracking

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DutyCal Monthly | $9.99 | per month |
| DutyCal Yearly | $99.99 | per year |


## Frequently asked questions

### Is OutlineProcessor free?

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

### Is DutyCal free?

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

### Which has better reviews, OutlineProcessor or DutyCal?

DutyCal is rated higher. OutlineProcessor averages 3.5 out of 5 from 4 ratings, while DutyCal averages 5.0 from 1 ratings.

### Do OutlineProcessor or DutyCal have ads?

Neither OutlineProcessor nor DutyCal shows ads.

### Which is updated more often, OutlineProcessor or DutyCal?

OutlineProcessor ships an update every 59 months, and DutyCal every 4 days. Most recently, OutlineProcessor was updated on October 21, 2026 and DutyCal on October 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*