# 知言 vs 灵光

The clearest difference is rating: 知言 at 5.0 against 灵光's 4.0. 知言 also leads on review sentiment (100% vs 76%) and iOS requirement (12.0 vs 15.0). 灵光's advantage is ratings volume (81 vs 1) and device support. On price, in-app purchases and monetization model there is nothing between them.

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

知言 holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: 灵光 has 81 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of 知言's written reviews are positive against 76% of 灵光's.

## The numbers

| Metric | 知言 | 灵光 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai/id6450945948/reviews)** | [4.0 (81 ratings)](https://appshunter.io/ios/app/ai/id6751496092/reviews) |
| Number of ratings | 1 | **81** |
| Positive reviews | **100.0% of reviews** | 76.4% of reviews |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 10 days |
| Monetization | Free | Free |
| Size | 36 MB | 278 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [祥利 管](https://appshunter.io/developer/1553028619) | [Alipay (Hangzhou) Technology Co., Ltd.](https://appshunter.io/developer/333206292) |

## What reviewers say

### 知言

[App page](https://appshunter.io/ios/app/ai/id6450945948)

This AI prompt assistant offers a vast library of tested templates for content creators, programmers, job seekers, and AI users. It helps users communicate more effectively with AI tools to solve problems, generate code, draft content, and find inspiration.

**Highlights:** Extensive prompt templates, Tested and verified content, Clear categorization, One-click copy and use, Continuous updates, Supports writing, coding, and more

**In-app purchases:** none


### 灵光

[App page](https://appshunter.io/ios/app/ai/id6751496092)

This AI assistant integrates language, image, voice, and data understanding to generate multimodal outputs like 3D models, audio, charts, and animations. It offers features for quick app generation, interactive learning, and intelligent visual exploration, making complex information simple.

**Highlights:** Generate interactive apps in 30 seconds, Visualize complex knowledge with 3D models, illustrations, and animations, Understand and generate images and videos, Real-time scene understanding and visual Q&A, Interactive maps for planning and exploration, Summarize financial reports and documents

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

**In-app purchases:** none


## Frequently asked questions

### Is 知言 free?

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

### Is 灵光 free?

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

### Which has better reviews, 知言 or 灵光?

知言 is rated higher. 知言 averages 5.0 out of 5 from 1 ratings, while 灵光 averages 4.0 from 81 ratings.

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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.*