# Surely vs Structured Outliner

The clearest difference is in-app purchases: Surely at none against Structured Outliner's 1. Surely also leads on ads (none vs shown) and iOS requirement (15.1 vs 17.0). Structured Outliner's advantage is update cadence (every 9 days vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. Structured Outliner sells 1 one-off in-app purchase. Surely asks for nothing beyond the download.

Surely ships an update every 6 weeks, Structured Outliner every 9 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Surely | Structured Outliner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/surely/id1586633713/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | Free | — |
| Size | 34 MB | 6 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Josh Justice](https://appshunter.io/developer/412347172) | [Felipe Carraro](https://appshunter.io/developer/1887606432) |

## What reviewers say

### Surely

[App page](https://appshunter.io/ios/app/surely/id1586633713)

This app offers a streamlined approach to task management, focusing on completion rather than complex organization. It provides essential actions like completing, deleting, or deferring tasks, intentionally omitting features that might encourage procrastination.

**Highlights:** Complete tasks, Delete tasks, Defer tasks, Minimalist interface, Focus on task completion

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

**In-app purchases:** none


### Structured Outliner

[App page](https://appshunter.io/ios/app/structured-outliner/id6761066639)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $7.99 | one-time |


## Frequently asked questions

### Is Surely free?

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

### Is Structured Outliner free?

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

### Do Surely or Structured Outliner have ads?

Structured Outliner shows ads; Surely does not.

### Which is updated more often, Surely or Structured Outliner?

Surely ships an update every 6 weeks, and Structured Outliner every 9 days. Most recently, Surely was updated on October 30, 2026 and Structured Outliner on October 24, 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.*