# Idea Hack vs GrapNote

The clearest difference is update cadence: GrapNote at daily against Idea Hack's every 5 days. Idea Hack's advantage is iOS requirement (8.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Idea Hack ships an update every 5 days, GrapNote daily. The most recent releases landed on September 23, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Idea Hack | GrapNote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/idea-hack/id1080338969/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | **Daily** |
| Monetization | Free | — |
| Size | 23 MB | 1 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TAKAHIRO AYA](https://appshunter.io/developer/495555314) | [RYU HARAGUCHI](https://appshunter.io/developer/1807075225) |

## What reviewers say

### Idea Hack

[App page](https://appshunter.io/ios/app/idea-hack/id1080338969)

This app helps spark creativity by generating three random keywords to inspire new ideas. Users can register their own keywords and use the tool to brainstorm solutions or concepts, saving their thoughts in a memo field.

**Highlights:** Generate random keywords, Create custom keyword lists, Brainstorm ideas based on keywords, Save ideas to memo, Supports iPhone, iPad, iPod

**Features:** macOS Compatibility

**In-app purchases:** none


### GrapNote

[App page](https://appshunter.io/ios/app/grapnote/id6745224785)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Idea Hack free?

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

### Is GrapNote free?

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

### Do Idea Hack or GrapNote have ads?

Neither Idea Hack nor GrapNote shows ads.

### Which is updated more often, Idea Hack or GrapNote?

Idea Hack ships an update every 5 days, and GrapNote daily. Most recently, Idea Hack was updated on September 23, 2026 and GrapNote on September 25, 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.*