# 小语洞听 vs Sightly

The clearest difference is in-app purchases: 小语洞听 at none against Sightly's 2. 小语洞听 also leads on iOS requirement (14.0 vs 17.0). Sightly's advantage is update cadence (every 6 days vs every 6 months). On price, 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. 小语洞听 asks for nothing beyond the download.

小语洞听 ships an update every 6 months, Sightly every 6 days. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 小语洞听 | 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 6 months | **Every 6 days** |
| Monetization | — | Freemium |
| Size | 16 MB | 19 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [小语智能信息科技(云南)有限公司](https://appshunter.io/developer/1749039413) | [DiverAxis Technology (Chengdu) Co., Ltd.](https://appshunter.io/developer/6775443517) |

## What reviewers say

### 小语洞听

[App page](https://appshunter.io/ios/app/id1536094663)

**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 小语洞听 free?

小语洞听 is free to download, with no in-app purchases.

### Is Sightly free?

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

### Do 小语洞听 or Sightly have ads?

Neither 小语洞听 nor Sightly shows ads.

### Which is updated more often, 小语洞听 or Sightly?

小语洞听 ships an update every 6 months, and Sightly every 6 days. Most recently, 小语洞听 was updated on October 7, 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.*