# 必灵 vs Dayfold

The clearest difference is iOS requirement: 必灵 at 13.0 against Dayfold's 17.0. 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.

必灵 ships an update every 8 days, Dayfold every 6 days. Both last shipped on October 10, 2026.

## The numbers

| Metric | 必灵 | Dayfold |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 6 days** |
| Monetization | Free | — |
| Size | 61 MB | 19 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Hangzhou Yuancai Technology Co.,Ltd.](https://appshunter.io/developer/1716886102) | [Yating Lu](https://appshunter.io/developer/1526204219) |

## What reviewers say

### 必灵

[App page](https://appshunter.io/ios/app/ai/id6760445481)

This AI-powered assistant simplifies financial management with intelligent expense tracking, voice note capabilities, and insightful spending analysis. It helps users plan budgets, set savings goals, and manage assets effectively.

**Highlights:** Intelligent expense tracking, Voice note expense recording, Spending analysis and insights, Budget planning, Savings goal setting, Asset management

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

**In-app purchases:** none


### Dayfold

[App page](https://appshunter.io/ios/app/dayfold-countdown-and-widgets/id6802240198)

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

**In-app purchases:** none


## Frequently asked questions

### Is 必灵 free?

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

### Is Dayfold free?

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

### Do 必灵 or Dayfold have ads?

Neither 必灵 nor Dayfold shows ads.

### Which is updated more often, 必灵 or Dayfold?

必灵 ships an update every 8 days, and Dayfold every 6 days. Most recently, 必灵 was updated on October 10, 2026 and Dayfold on October 10, 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.*