# Blindspot Protocol vs Ninigrams

The clearest difference is price: Blindspot Protocol at Free against Ninigrams's $4.99. Blindspot Protocol also leads on update cadence (fortnightly vs every 3 months). Ninigrams's advantage is rating (5.0 vs 3.5) and in-app purchases (none vs 1). On ads and device support there is nothing between them.

Blindspot Protocol is free to download; Ninigrams costs $4.99 up front. Blindspot Protocol sells 1 one-off in-app purchase. Ninigrams asks for nothing beyond the download.

Ninigrams holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: Ninigrams has 12 ratings behind it against 2, so its average is the more settled of the two.

Blindspot Protocol ships an update fortnightly, Ninigrams every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Blindspot Protocol | Ninigrams |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/blindspot-protocol/id6758043917/reviews) | **[5.0 (12 ratings)](https://appshunter.io/ios/app/ninigrams/id6768450024/reviews)** |
| Number of ratings | 2 | **12** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 11 MB | 34 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Fernan Ochoa Amador](https://appshunter.io/developer/1868704153) | [NINA BERRY KOH](https://appshunter.io/developer/1896574135) |

## What reviewers say

### 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 |


### Ninigrams

[App page](https://appshunter.io/ios/app/ninigrams/id6768450024)

Solve logic puzzles to reveal hidden pixel art. Use numbered clues to deduce which squares to fill, with no guessing required. Enjoy a satisfying and distraction-free experience with over 400 handcrafted puzzles.

**Highlights:** Reveal hidden pixel art, Logic-based deduction, 400+ handcrafted puzzles, Offline play, Interactive tutorial, Mobile-optimized controls

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

**In-app purchases:** none


## Frequently asked questions

### Is Blindspot Protocol free?

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

### Is Ninigrams free?

Ninigrams costs $4.99, with no in-app purchases.

### Which has better reviews, Blindspot Protocol or Ninigrams?

Ninigrams is rated higher. Blindspot Protocol averages 3.5 out of 5 from 2 ratings, while Ninigrams averages 5.0 from 12 ratings.

### Do Blindspot Protocol or Ninigrams have ads?

Neither Blindspot Protocol nor Ninigrams shows ads.

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

Blindspot Protocol ships an update fortnightly, and Ninigrams every 3 months. Most recently, Blindspot Protocol was updated on October 24, 2026 and Ninigrams on October 24, 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.*