# 背记佳 vs 灵光

The clearest difference is rating: 背记佳 at 4.9 against 灵光's 4.0. 背记佳 also leads on review sentiment (86% vs 76%) and iOS requirement (11.0 vs 15.0). 灵光's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. 背记佳 sells 1 one-off in-app purchase. 灵光 asks for nothing beyond the download.

背记佳 holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: 灵光 has 82 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 86% of 背记佳's written reviews are positive against 76% of 灵光's.

背记佳 ships an update every 2 months, 灵光 every 10 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 背记佳 | 灵光 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (14 ratings)](https://appshunter.io/ios/app/id1232258530/reviews)** | [4.0 (82 ratings)](https://appshunter.io/ios/app/ai/id6751496092/reviews) |
| Number of ratings | 14 | **82** |
| Positive reviews | **85.7% of reviews** | 76.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | — | Free |
| Size | 33 MB | 278 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [飞 董](https://appshunter.io/developer/918362475) | [Alipay (Hangzhou) Technology Co., Ltd.](https://appshunter.io/developer/333206292) |

## What reviewers say

### 背记佳

[App page](https://appshunter.io/ios/app/id1232258530)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP | $2.99 | one-time |


### 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 背记佳 free?

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

### Is 灵光 free?

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

### Which has better reviews, 背记佳 or 灵光?

背记佳 is rated higher. 背记佳 averages 4.9 out of 5 from 14 ratings, while 灵光 averages 4.0 from 82 ratings.

### Do 背记佳 or 灵光 have ads?

背记佳 shows ads; 灵光 does not.

### Which is updated more often, 背记佳 or 灵光?

背记佳 ships an update every 2 months, and 灵光 every 10 days. Most recently, 背记佳 was updated on October 24, 2026 and 灵光 on October 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.*