# 心灯 vs NoYell

The clearest difference is in-app purchases: 心灯 at none against NoYell's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. NoYell sells 4 in-app purchases, starting at $2.99 per month. 心灯 asks for nothing beyond the download.

心灯 ships an update every 3 weeks, NoYell fortnightly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 心灯 | NoYell |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 83 MB | 44 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [子鑫 宁](https://appshunter.io/developer/1836857088) | [青青 吴](https://appshunter.io/developer/1594811700) |

## What reviewers say

### 心灯

[App page](https://appshunter.io/ios/app/ai/id6751842842)

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

**In-app purchases:** none


### NoYell

[App page](https://appshunter.io/ios/app/noyell-homework-study-helper/id6761399897)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Monthly | $2.99 | per month |
| Quarterly | $6.99 | per 3 months |
| Yearly | $14.99 | per year |


## Frequently asked questions

### Is 心灯 free?

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

### Is NoYell free?

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

### Do 心灯 or NoYell have ads?

Neither 心灯 nor NoYell shows ads.

### Which is updated more often, 心灯 or NoYell?

心灯 ships an update every 3 weeks, and NoYell fortnightly. Most recently, 心灯 was updated on October 30, 2026 and NoYell on October 31, 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.*