# 头发呢 vs Insomnia Sleep Tracker

头发呢 and Insomnia Sleep Tracker are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. 头发呢 sells 3 in-app purchases, starting at $3.99 per month and Insomnia Sleep Tracker sells 14 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 19, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 头发呢 | Insomnia Sleep Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | Freemium | — |
| Size | 24 MB | 166 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 17+ | 17+ |
| Developer | [Chengdu Baibai Maomao Technology Co., Ltd.](https://appshunter.io/developer/1887172471) | [Digital Therapeutics](https://appshunter.io/developer/1721663167) |

## What reviewers say

### 头发呢

[App page](https://appshunter.io/ios/app/ai/id6760990605)

This AI-powered tool helps you track and manage your hair and scalp health. It analyzes your hair condition from photos, provides personalized care recommendations, and helps you monitor progress over time.

**Highlights:** AI-assisted hair and scalp analysis, Multi-angle photo recording for comparison, Personalized care suggestions, Daily check-ins and trend tracking, Product scanning and usage advice, Long-term hair management

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $3.99 | per month |
| 年度会员 | $39.99 | per year |
| 永久会员 | $89.99 | one-time |


### Insomnia Sleep Tracker

[App page](https://appshunter.io/ios/app/insomnia-sleep-tracker/id6762095934)

**Features:** macOS Compatibility, Siri integration, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Insomnia Plus (Weekly) | $5.99 | per 7 days |
| steady pass | $6.99 | per month |
| weather max | $9.99 | per 3 months |
| Insomnia Plus (Monthly) | $9.99 | per month |
| carey ai max | $19.99 | per month |
| Lite Yearly | $29.99 | per year |
| carey ai ultra | $29.99 | per month |
| Insomnia Plus (Sale) | $34.99 | per year |
| Extended Trial | $39.99 | per year |
| Insomnia Plus (Annual) | $44.99 | per year |
| 7-Day Trial | $49.99 | per year |
| carey ai credits | $8.99 | one-time |
| Store Credit | $9.99 | one-time |
| Lifetime Upgrade | $119.99 | one-time |


## Frequently asked questions

### Is 头发呢 free?

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

### Is Insomnia Sleep Tracker free?

Insomnia Sleep Tracker is free to download, with in-app purchases available.

### Do 头发呢 or Insomnia Sleep Tracker have ads?

Neither 头发呢 nor Insomnia Sleep Tracker shows ads.

### Which is updated more often, 头发呢 or Insomnia Sleep Tracker?

头发呢 ships an update every 3 days, and Insomnia Sleep Tracker every 3 days. Most recently, 头发呢 was updated on October 19, 2026 and Insomnia Sleep Tracker on October 25, 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.*