# JCETIコンタクト・ツール vs Tanka Note

The clearest difference is price: Tanka Note at Free against JCETIコンタクト・ツール's $7.99. JCETIコンタクト・ツール's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence and device support there is nothing between them.

Tanka Note is free to download; JCETIコンタクト・ツール costs $7.99 up front. Tanka Note sells 1 one-off in-app purchase. JCETIコンタクト・ツール asks for nothing beyond the download.

JCETIコンタクト・ツール ships an update every 2 months, Tanka Note every 6 weeks. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | JCETIコンタクト・ツール | Tanka Note |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Paid | — |
| Size | 253 MB | 8 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gregory Sullivan](https://appshunter.io/developer/1177819488) | [Mihoko Araki](https://appshunter.io/developer/1476136915) |

## What reviewers say

### JCETIコンタクト・ツール

[App page](https://appshunter.io/ios/app/jceti/id1177819489)

This app provides a structured system for practicing friendly contact with extraterrestrial intelligence. It facilitates two-way communication, allowing users to actively engage and potentially experience a shared consciousness and awareness of cosmic purposes. The system is based on established procedures developed over years of research and practice.

**Highlights:** Two-way communication with ETI, Structured contact procedures, Facilitates shared consciousness, Promotes cosmic awareness, Civilian-level extraterrestrial contact

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

**In-app purchases:** none


### Tanka Note

[App page](https://appshunter.io/ios/app/tanka-note/id1618629883)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $2.99 | one-time |


## Frequently asked questions

### Is JCETIコンタクト・ツール free?

JCETIコンタクト・ツール costs $7.99, with no in-app purchases.

### Is Tanka Note free?

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

### Do JCETIコンタクト・ツール or Tanka Note have ads?

Tanka Note shows ads; JCETIコンタクト・ツール does not.

### Which is updated more often, JCETIコンタクト・ツール or Tanka Note?

JCETIコンタクト・ツール ships an update every 2 months, and Tanka Note every 6 weeks. Most recently, JCETIコンタクト・ツール was updated on October 8, 2026 and Tanka Note on October 11, 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.*