# Gridphase vs blueprint

The clearest difference is in-app purchases: Gridphase at none against blueprint's 6. Gridphase also leads on iOS requirement (12.0 vs 15.1). blueprint's advantage is update cadence (daily vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. blueprint sells 6 one-off in-app purchases. Gridphase asks for nothing beyond the download.

Gridphase ships an update every 3 months, blueprint daily. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Gridphase | blueprint |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/blueprint-idea-journal/id6762150362/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | — | Free with in-app purchases |
| Size | 57 MB | 37 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [GRID INSTRUMENTS d.o.o.](https://appshunter.io/developer/1711794018) | [Testcode, Inc.](https://appshunter.io/developer/356204531) |

## What reviewers say

### Gridphase

[App page](https://appshunter.io/ios/app/gridphase/id6469338974)

**In-app purchases:** none


### blueprint

[App page](https://appshunter.io/ios/app/blueprint-idea-journal/id6762150362)

Organize, analyze, and test your ideas with this AI-powered journal. It generates detailed product briefs, brand suggestions, and market research in seconds. Your ideas are encrypted and private, with no accounts or passwords required.

**Highlights:** Organized idea storage, AI-powered analysis, Instant auto-tagging, Detailed product briefs, Brand name suggestions, Competitive research, Encrypted data storage

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Credits | $1.99 | one-time |
| 30 Credits | $4.99 | one-time |
| 75 Credits | $9.99 | one-time |
| 200 Credits | $24.99 | one-time |
| 500 Credits | $59.99 | one-time |
| 1000 Credits | $119.99 | one-time |


## Frequently asked questions

### Is Gridphase free?

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

### Is blueprint free?

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

### Do Gridphase or blueprint have ads?

Neither Gridphase nor blueprint shows ads.

### Which is updated more often, Gridphase or blueprint?

Gridphase ships an update every 3 months, and blueprint daily. Most recently, Gridphase was updated on September 30, 2026 and blueprint on October 1, 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.*