# HoldOn by CE vs Sightly

HoldOn by CE and Sightly both sit at 5.0 stars, but that hides the real split: 100% of Sightly's written reviews are positive against 33% of HoldOn by CE's. Sightly also leads on update cadence (every 5 days vs every 2 weeks). HoldOn by CE's advantage is in-app purchases (none vs 4) and iOS requirement (9.0 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Sightly sells 4 in-app purchases, starting at $1.99 per month. HoldOn by CE asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for HoldOn by CE against 5.0 for Sightly. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 33% of HoldOn by CE's written reviews are positive against 100% of Sightly's.

HoldOn by CE ships an update every 2 weeks, Sightly every 5 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | HoldOn by CE | Sightly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/holdon-by-ce/id1528920724/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/sightly-myopia-tracker/id6775443515/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Size | 57 MB | 20 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ClearElectron Co.,Ltd.](https://appshunter.io/developer/1533006627) | [DiverAxis Technology (Chengdu) Co., Ltd.](https://appshunter.io/developer/6775443517) |

## What reviewers say

### HoldOn by CE

[App page](https://appshunter.io/ios/app/holdon-by-ce/id1528920724)

This app works with a smart device to monitor your screen time, posture, and lighting conditions. It alerts you with vibrations when you're too close to your screen, slouching, or in dim light, helping you develop healthier digital habits.

**Highlights:** Posture monitoring, Screen proximity alerts, Lighting condition detection, Digital device time tracking, Customizable alert settings, Habit formation tracking

**Features:** macOS Compatibility

**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, iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sightly Plus Monthly | $1.99 | per month |
| Sightly Plus Quarterly | $3.99 | per 3 months |
| Sightly Plus Yearly | $7.99 | per year |
| Sightly Plus Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is HoldOn by CE free?

HoldOn by CE is free to download, with no in-app purchases.

### Is Sightly free?

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

### Which has better reviews, HoldOn by CE or Sightly?

HoldOn by CE and Sightly are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do HoldOn by CE or Sightly have ads?

Neither HoldOn by CE nor Sightly shows ads.

### Which is updated more often, HoldOn by CE or Sightly?

HoldOn by CE ships an update every 2 weeks, and Sightly every 5 days. Most recently, HoldOn by CE was updated on October 24, 2026 and Sightly on October 28, 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.*