# Useless Ideas vs LISU

The clearest difference is price: Useless Ideas at Free against LISU's $3.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Useless Ideas is free to download; LISU costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Useless Ideas ships an update every 12 months, LISU every 13 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Useless Ideas | LISU |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/useless-ideas/id1516645836/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 12 months** | Every 13 months |
| Monetization | Free | — |
| Size | 5 MB | 6 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [俊 林](https://appshunter.io/developer/1511359065) | [CHI HAO CHIU](https://appshunter.io/developer/1059226484) |

## What reviewers say

### Useless Ideas

[App page](https://appshunter.io/ios/app/useless-ideas/id1516645836)

Generate random, often nonsensical, ideas to spark creativity. This unofficial client provides daily inspiration on the go.

**Highlights:** Generate useless ideas, Daily inspiration, Unofficial API client, On-the-go inspiration

**Features:** macOS Compatibility, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases:** none


### LISU

[App page](https://appshunter.io/ios/app/lisu-chinese-dictionary/id1604225566)

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

**In-app purchases:** none


## Frequently asked questions

### Is Useless Ideas free?

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

### Is LISU free?

LISU costs $3.99, with no in-app purchases.

### Do Useless Ideas or LISU have ads?

Neither Useless Ideas nor LISU shows ads.

### Which is updated more often, Useless Ideas or LISU?

Useless Ideas ships an update every 12 months, and LISU every 13 months. Most recently, Useless Ideas was updated on November 3, 2026 and LISU on November 7, 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.*