# BookOne Orbit vs Agent.

The clearest difference is update cadence: BookOne Orbit at every 3 months against Agent.'s every 8 months. BookOne Orbit also leads on iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

BookOne Orbit ships an update every 3 months, Agent. every 8 months. The most recent releases landed on September 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | BookOne Orbit | Agent. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 8 months |
| Size | 49 MB | 132 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [CredenceSoft Limited](https://appshunter.io/developer/1479329579) | [Synechron](https://appshunter.io/developer/1274927226) |

## What reviewers say

### BookOne Orbit

[App page](https://appshunter.io/ios/app/bookone-orbit/id1479329580)

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

**In-app purchases:** none


### Agent.

[App page](https://appshunter.io/ios/app/agent/id6748451500)

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

**In-app purchases:** none


## Frequently asked questions

### Is BookOne Orbit free?

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

### Is Agent. free?

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

### Do BookOne Orbit or Agent. have ads?

Neither BookOne Orbit nor Agent. shows ads.

### Which is updated more often, BookOne Orbit or Agent.?

BookOne Orbit ships an update every 3 months, and Agent. every 8 months. Most recently, BookOne Orbit was updated on September 24, 2026 and Agent. on October 10, 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.*