# SensoSphere vs Chapter

The clearest difference is in-app purchases: SensoSphere at none against Chapter's 2. SensoSphere also leads on ads (none vs shown) and device support (3 vs 1). Chapter's advantage is update cadence (every 2 weeks vs every 7 months). On price and iOS requirement there is nothing between them.

Both are free to download. Chapter sells 2 in-app purchases, starting at $0.99 per month. SensoSphere asks for nothing beyond the download.

SensoSphere ships an update every 7 months, Chapter every 2 weeks. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | SensoSphere | Chapter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Size | 9 MB | 51 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Sensortech Inc.](https://appshunter.io/developer/984957166) | [Lucas Obadia](https://appshunter.io/developer/1447668792) |

## What reviewers say

### SensoSphere

[App page](https://appshunter.io/ios/app/sensosphere/id1293926144)

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

**In-app purchases:** none


### Chapter

[App page](https://appshunter.io/ios/app/chapter-dating-journal/id6774410173)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Chapter | $0.99 | per month |
| Premium Annual Chapter app | $3.99 | per year |


## Frequently asked questions

### Is SensoSphere free?

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

### Is Chapter free?

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

### Do SensoSphere or Chapter have ads?

Chapter shows ads; SensoSphere does not.

### Which is updated more often, SensoSphere or Chapter?

SensoSphere ships an update every 7 months, and Chapter every 2 weeks. Most recently, SensoSphere was updated on October 5, 2026 and Chapter on October 15, 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.*