# RE Venant vs Harmonograph

The clearest difference is in-app purchases: Harmonograph at none against RE Venant's 1. RE Venant's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. RE Venant sells 1 one-off in-app purchase. Harmonograph asks for nothing beyond the download.

RE Venant ships an update fortnightly, Harmonograph every 10 days. The most recent releases landed on October 9, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | RE Venant | Harmonograph |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/re-venant-ghost-hunter/id6760079743/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 4 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [ANDRES MATAS BAENA](https://appshunter.io/developer/1881156497) | [Takashi Nemoto](https://appshunter.io/developer/6790828928) |

## What reviewers say

### RE Venant

[App page](https://appshunter.io/ios/app/re-venant-ghost-hunter/id6760079743)

Explore the paranormal with a suite of simulated investigation tools. Utilize real device sensors, AI-powered spirit communication, and detailed reporting for a chillingly realistic experience. Enjoy limited free access or unlock unlimited sessions with a one-time purchase.

**Highlights:** Real device sensors (EMF, Magnetometer, Accelerometer, Gyroscope), AI-powered Spirit Box and Ouija board, Multiple investigation tools, Generative AI for unique conversations, ZIP report export, Dark interface for nighttime use, Multilingual support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RE Venant Premium | $0.99 | one-time |


### Harmonograph

[App page](https://appshunter.io/ios/app/harmonograph-pendulum-art/id6794857269)

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

**In-app purchases:** none


## Frequently asked questions

### Is RE Venant free?

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

### Is Harmonograph free?

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

### Do RE Venant or Harmonograph have ads?

Harmonograph shows ads; RE Venant does not.

### Which is updated more often, RE Venant or Harmonograph?

RE Venant ships an update fortnightly, and Harmonograph every 10 days. Most recently, RE Venant was updated on October 9, 2026 and Harmonograph on October 18, 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.*