# 弱视小助手 vs Sightly

The clearest difference is in-app purchases: 弱视小助手 at none against Sightly's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sightly sells 2 in-app purchases, starting at $7.99 per year. 弱视小助手 asks for nothing beyond the download.

弱视小助手 ships an update every 3 days, Sightly every 6 days. The most recent releases landed on October 5, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 弱视小助手 | Sightly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sightly-myopia-tracker/id6775443515/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 days |
| Monetization | — | Freemium |
| Size | 5 MB | 19 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [忠杲 王](https://appshunter.io/developer/1896211214) | [DiverAxis Technology (Chengdu) Co., Ltd.](https://appshunter.io/developer/6775443517) |

## What reviewers say

### 弱视小助手

[App page](https://appshunter.io/ios/app/id6772183812)

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

**In-app purchases:** none


### Sightly

[App page](https://appshunter.io/ios/app/sightly-myopia-tracker/id6775443515)

Organize your child's eye health records in one private place. Track exam dates, measurements, prescription notes, and axial length trends. Set reminders for follow-ups and export summaries for doctor visits.

**Highlights:** Child eye health profiles, Record vision, refraction, axial length, Archive exam reports, Review long-term trends, Set follow-up reminders, Export PDF summaries

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sightly Plus Yearly | $7.99 | per year |
| Sightly Plus Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is 弱视小助手 free?

弱视小助手 is free to download, with no in-app purchases.

### Is Sightly free?

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

### Do 弱视小助手 or Sightly have ads?

Neither 弱视小助手 nor Sightly shows ads.

### Which is updated more often, 弱视小助手 or Sightly?

弱视小助手 ships an update every 3 days, and Sightly every 6 days. Most recently, 弱视小助手 was updated on October 5, 2026 and Sightly 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.*