# Kyudomushin vs Blindspot Protocol

The clearest difference is update cadence: Blindspot Protocol at fortnightly against Kyudomushin's every 16 months. Kyudomushin's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Kyudomushin sells 1 one-off in-app purchase and Blindspot Protocol sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Kyudomushin ships an update every 16 months, Blindspot Protocol fortnightly. The most recent releases landed on October 5, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Kyudomushin | Blindspot Protocol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/blindspot-protocol/id6758043917/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 142 MB | 11 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Franklin Chang](https://appshunter.io/developer/1467299920) | [Fernan Ochoa Amador](https://appshunter.io/developer/1868704153) |

## What reviewers say

### Kyudomushin

[App page](https://appshunter.io/ios/app/kyudomushin/id1633394758)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock | $6.99 | one-time |


### Blindspot Protocol

[App page](https://appshunter.io/ios/app/blindspot-protocol/id6758043917)

Experience a high-fidelity haptic simulation that transforms your phone into a digital safe. Test your senses and focus by finding a hidden "Sweet Spot" using only touch and sound. Customize your interface with various visual themes and challenge yourself with a mode that removes all visual cues.

**Highlights:** High-fidelity haptic feedback, Digital safe simulation, Customizable visual interfaces, Ghost Protocol for sensory-only gameplay, ASMR and audio-focused experience, Focus and stress relief tool

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| System Override Bundle | $2.99 | one-time |


## Frequently asked questions

### Is Kyudomushin free?

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

### Is Blindspot Protocol free?

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

### Do Kyudomushin or Blindspot Protocol have ads?

Neither Kyudomushin nor Blindspot Protocol shows ads.

### Which is updated more often, Kyudomushin or Blindspot Protocol?

Kyudomushin ships an update every 16 months, and Blindspot Protocol fortnightly. Most recently, Kyudomushin was updated on October 5, 2026 and Blindspot Protocol on October 19, 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.*