# 演算写字板 vs 灵光

The clearest difference is iOS requirement: 演算写字板 at 9.0 against 灵光's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

演算写字板 ships an update every 10 days, 灵光 every 9 days. The most recent releases landed on September 10, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | 演算写字板 | 灵光 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.9 (76 ratings)](https://appshunter.io/ios/app/ai/id6751496092/reviews)** |
| Number of ratings | — | **76** |
| Positive reviews | — | 77.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 9 days** |
| Monetization | — | Free |
| Size | 12 MB | 271 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [志化 彭](https://appshunter.io/developer/1226811775) | [Alipay (Hangzhou) Technology Co., Ltd.](https://appshunter.io/developer/333206292) |

## What reviewers say

### 演算写字板

[App page](https://appshunter.io/ios/app/whiteboard/id1616507212)

**Features:** macOS Compatibility

**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 演算写字板 free?

演算写字板 is free to download, with no in-app purchases.

### Is 灵光 free?

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

### Do 演算写字板 or 灵光 have ads?

Neither 演算写字板 nor 灵光 shows ads.

### Which is updated more often, 演算写字板 or 灵光?

演算写字板 ships an update every 10 days, and 灵光 every 9 days. Most recently, 演算写字板 was updated on September 10, 2026 and 灵光 on September 26, 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.*