Comparison

HoldOn by CE vs OptoFitting

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

HoldOn by CE

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
Read full description

The HoldOn Eye Care Clip and HoldOn Ai/Glasses deviceis are equipped with Artificial Intelligence technologies to help protect the user’s eyes from the risk of nearsightedness, while helping maintain a posture-friendly lifestyle. The device (clip or eye glass) connects to your smartphone via Bluetooth and will notify the user by vibrating when they are too close to the screen, when posture is poor, when lighting is too dark and will also let the user track how much time has been spent on their digital devices. The device will vibrate once for bad posture, twice when the user is too close to the screen, and three times when it’s too dark. The range, angle and brightness can be adjusted from the mobile application. The user can keep track of their improvements in the mobile application and eventually form good eye habits!

About

OptoFitting

Streamline progressive and single-vision lens fitting with precise, repeatable measurements. This app guides you through capturing key fitting parameters using a 3D printed jig and your device, reducing errors and speeding up the process for eyewear professionals.

Highlights
  • Precise fitting measurements
  • Step-by-step workflow
  • 3D printable jig included
  • Tutorial videos and FAQs
  • Reduces fitting errors
  • Fast workflow for professionals
Features
Read full description

*** 3 months free trial *** Make precise, repeatable fitting measurements for progressive and single‑vision lenses — fast, simple, and professional. Free trial: 3 months free with subscription. What it does: Guides you through measuring key fitting parameters (e.g., fitting height, pantoscopic tilt, vertex distance) for progressive and single‑vision glasses with a clear, step‑by‑step workflow. How it works: After subscribing you’ll receive a downloadable 3D print file (.STL). Print the small jig at a local 3D lab, place the printed tool on the customer’s frame, then follow the in‑app instructions to capture accurate measurements. Resources included: High‑quality tutorial videos, FAQs, and practical tips to improve consistency and reduce fitting errors — available both in the app and at www.faroptic.com.. Who it’s for:Optometrist, Opticians, dispensers, labs, and eyewear professionals who need reliable, repeatable measurements and a fast workflow. Subscription & delivery: Subscription unlocks the .STL download and all premium features; the measuring workflow runs entirely on your device. Privacy and terms: Terms of use follow Apple’s standard EULA — https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Get consistent, professional fitting data in minutes — reduce remakes and speed up your fitting process.

Screenshots

HoldOn by CE3 screens
OptoFitting3 screens

Verdict

The call

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

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. OptoFitting sells 2 in-app purchases, starting at $19.99 per month. HoldOn by CE asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for HoldOn by CE against 5.0 for OptoFitting. 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 OptoFitting's.

UpkeepUpdate frequency

HoldOn by CE ships an update every 2 weeks, OptoFitting monthly. Both last shipped on November 3, 2026.

Scorecard5 real differences · 5 level
HoldOn by CE versus OptoFitting: the parameters behind the verdict, then further details
ParameterHoldOn by CEOptoFitting
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews33.3% of reviews100.0% of reviews — better
Number of ratings11
Update frequencyEvery 2 weeks — betterMonthly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.0 — better15.6
Further details — not scored
Size57 MB16 MB
Age rating4+12+
DeveloperClearElectron Co.,Ltd.Alireza Nazer

Customer experience

HoldOn by CE

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

OptoFitting

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

HoldOn by CE

No in-app purchases

2 purchases

OptoFitting

Subscriptions2
  • Premium 1 Month(+3 Month free)3 Months trial$19.991 Month
  • Premium 6 Month(+3 Month free)3 Months trial$106.996 Months

Questions

Is HoldOn by CE free?
HoldOn by CE is free to download, with no in-app purchases.
Is OptoFitting free?
OptoFitting is free to download, with in-app purchases available.
Which has better reviews, HoldOn by CE or OptoFitting?
HoldOn by CE and OptoFitting are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do HoldOn by CE or OptoFitting have ads?
Neither HoldOn by CE nor OptoFitting shows ads.
Which is updated more often, HoldOn by CE or OptoFitting?
HoldOn by CE ships an update every 2 weeks, and OptoFitting monthly. Most recently, HoldOn by CE was updated on November 3, 2026 and OptoFitting on November 3, 2026.

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