# Polygraf vs Online Itinerant

The clearest difference is update cadence: Online Itinerant at fortnightly against Polygraf's every 6 months. Polygraf's advantage is iOS requirement (9.0 vs 16.6). 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.

Polygraf ships an update every 6 months, Online Itinerant fortnightly. The most recent releases landed on October 24, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Polygraf | Online Itinerant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Fortnightly** |
| Size | 40 MB | 49 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Masaryk University](https://appshunter.io/developer/443178424) | [Stefanie Kesse](https://appshunter.io/developer/1748876310) |

## What reviewers say

### Polygraf

[App page](https://appshunter.io/ios/app/polygraf/id443178421)

**Features:** macOS Compatibility

**In-app purchases:** none


### Online Itinerant

[App page](https://appshunter.io/ios/app/online-itinerant/id6502244869)

**In-app purchases:** none


## Frequently asked questions

### Is Polygraf free?

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

### Is Online Itinerant free?

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

### Do Polygraf or Online Itinerant have ads?

Neither Polygraf nor Online Itinerant shows ads.

### Which is updated more often, Polygraf or Online Itinerant?

Polygraf ships an update every 6 months, and Online Itinerant fortnightly. Most recently, Polygraf was updated on October 24, 2026 and Online Itinerant on October 3, 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.*