# PainGo vs AI老花镜

The clearest difference is price: PainGo at Free against AI老花镜's $0.99. AI老花镜's advantage is in-app purchases (none vs 2) and update cadence (weekly vs every 4 weeks). On ads and device support there is nothing between them.

PainGo is free to download; AI老花镜 costs $0.99 up front. PainGo sells 2 in-app purchases, starting at $2.99 per month. AI老花镜 asks for nothing beyond the download.

PainGo ships an update every 4 weeks, AI老花镜 weekly. The most recent releases landed on October 20, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | PainGo | AI老花镜 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/paingo-headache-diary/id6449453103/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 4 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [华 水](https://appshunter.io/developer/1727864058) | [岚 孟](https://appshunter.io/developer/1639358007) |

## What reviewers say

### PainGo

[App page](https://appshunter.io/ios/app/paingo-headache-diary/id6449453103)

This app helps you track and understand your headaches by logging details like timing, duration, severity, triggers, and symptoms. It provides statistical analysis to identify patterns and empowers you to share comprehensive data with your doctor for better diagnosis and treatment.

**Highlights:** Log headache timing, duration, and severity, Record triggers, symptoms, and medications, Analyze headache patterns and frequency, Evaluate medication effectiveness, Share data with healthcare providers, Identify personal triggers and warning signs

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $2.99 | per month |
| 12 Months | $19.99 | per year |


### AI老花镜

[App page](https://appshunter.io/ios/app/ai/id6541753289)

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

**In-app purchases:** none


## Frequently asked questions

### Is PainGo free?

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

### Is AI老花镜 free?

AI老花镜 costs $0.99, with no in-app purchases.

### Do PainGo or AI老花镜 have ads?

Neither PainGo nor AI老花镜 shows ads.

### Which is updated more often, PainGo or AI老花镜?

PainGo ships an update every 4 weeks, and AI老花镜 weekly. Most recently, PainGo was updated on October 20, 2026 and AI老花镜 on October 22, 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.*