# Lexton vs Sightly

The clearest difference is iOS requirement: Lexton at 15.6 against Sightly's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Lexton sells 2 in-app purchases, starting at $0.99 per 3 months and Sightly sells 2 in-app purchases, starting at $7.99 per year. Whichever you choose, the download price is not the number that matters.

Lexton ships an update every 9 days, Sightly weekly. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Lexton | 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 | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | — | Freemium |
| Size | 27 MB | 18 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Weiwei Ye](https://appshunter.io/developer/1796303338) | [DiverAxis Technology (Chengdu) Co., Ltd.](https://appshunter.io/developer/6775443517) |

## What reviewers say

### Lexton

[App page](https://appshunter.io/ios/app/lexton/id6759630011)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quarterly Membership | $0.99 | per 3 months |
| Yearly Membership | $2.99 | per year |


### 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 |
| Sightio Plus Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Lexton free?

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

### Is Sightly free?

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

### Do Lexton or Sightly have ads?

Neither Lexton nor Sightly shows ads.

### Which is updated more often, Lexton or Sightly?

Lexton ships an update every 9 days, and Sightly weekly. Most recently, Lexton was updated on October 6, 2026 and Sightly on October 16, 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.*