# 年金豆知識 vs IFAI

The clearest difference is price: IFAI at Free against 年金豆知識's $0.99. IFAI also leads on update cadence (every 6 weeks vs every 38 months). 年金豆知識's advantage is iOS requirement (11.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

IFAI is free to download; 年金豆知識 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

年金豆知識 ships an update every 38 months, IFAI every 6 weeks. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 年金豆知識 | IFAI |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 6 weeks** |
| Size | 3 MB | 61 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Li Guo](https://appshunter.io/developer/393107253) | [nicosphere](https://appshunter.io/developer/1893501713) |

## What reviewers say

### 年金豆知識

[App page](https://appshunter.io/ios/app/id409502853)

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

**In-app purchases:** none


### IFAI

[App page](https://appshunter.io/ios/app/ifai-ai/id6764511534)

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

**In-app purchases:** none


## Frequently asked questions

### Is 年金豆知識 free?

年金豆知識 costs $0.99, with no in-app purchases.

### Is IFAI free?

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

### Do 年金豆知識 or IFAI have ads?

Neither 年金豆知識 nor IFAI shows ads.

### Which is updated more often, 年金豆知識 or IFAI?

年金豆知識 ships an update every 38 months, and IFAI every 6 weeks. Most recently, 年金豆知識 was updated on November 6, 2026 and IFAI on November 5, 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.*