# 时间书 vs 灵光

The clearest difference is in-app purchases: 灵光 at none against 时间书's 4. 灵光 also leads on update cadence (every 10 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 时间书 sells 4 one-off in-app purchases. 灵光 asks for nothing beyond the download.

时间书 ships an update monthly, 灵光 every 10 days. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | 时间书 | 灵光 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (87 ratings)](https://appshunter.io/ios/app/id6751496092/reviews)** |
| Number of ratings | — | **87** |
| Positive reviews | — | 74.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | — | Free |
| Size | 33 MB | 287 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [和柳 郑](https://appshunter.io/developer/1664971686) | [Alipay (Hangzhou) Technology Co., Ltd.](https://appshunter.io/developer/333206292) |

## What reviewers say

### 时间书

[App page](https://appshunter.io/ios/app/id6448215756)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 时间书月会员 | $0.99 | one-time |
| 时间书标签配额 | $0.99 | one-time |
| 时间书年度会员 | $6.99 | one-time |
| 时间书三年会员 | $14.99 | one-time |


### 灵光

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

This AI-powered assistant helps manage complex tasks and daily affairs. It understands goals, organizes steps, and proactively tracks progress from start to finish. Connect to services to save money and time, and receive timely reminders for important events.

**Highlights:** Proactive AI task management, Service integration for savings, Continuous progress tracking, Task status visualization, Creative content generation, Secure credential management

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

**In-app purchases:** none


## Frequently asked questions

### Is 时间书 free?

时间书 is free to download, with in-app purchases available.

### Is 灵光 free?

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

### Do 时间书 or 灵光 have ads?

Neither 时间书 nor 灵光 shows ads.

### Which is updated more often, 时间书 or 灵光?

时间书 ships an update monthly, and 灵光 every 10 days. Most recently, 时间书 was updated on November 3, 2026 and 灵光 on November 6, 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.*