OKN Drum vs Summit Optometry
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OKN Drum
This app offers a digital optokinetic drum for vision testing and exercises. Customize stripe width, speed, and color, with options for pediatric targets. It also features a metronome and camera recording for eye movements.
- Adjustable stripe width and speed
- Selectable black or red stripes
- Pediatric targets (puppies, dinosaurs, animals)
- Full-screen mode
- Integrated metronome
- Record eye movements with camera
- Upload custom images for drum
Read full descriptionHide full description
IN-APP PURCHASE REQUIRED FOR USE · OKN Drum Pro provides an Optokinetic Nystagmus (OKN) Drum featuring multiple modes for optokinetic testing and exercises. Users can adjust the stripe width to their preference using the pinch-to-zoom functionality. · The speed of the OKN stripes is easily adjustable, enabling quick increases or decreases as desired. · Users have the option to select either black or red stripes to suit their visual requirements. · Includes multiple pediatric targets, such as puppies, dinosaurs, and various animal targets. · By tapping the stripes, users can enter full-screen mode for an immersive experience. · A metronome is also available to assist with timing exercises, enhancing the overall utility of the app for therapeutic and testing purposes. · Record eye movements with the front facing camera · Upload images for a custom OKN drum · Flick the OKN graphic to simulate rotating an OKN drum This app is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your doctor or a qualified healthcare provider before making any medical decisions. If you think you may have a medical emergency, call emergency services immediately.
Summit Optometry
Read full descriptionHide full description
Summit Optometry 是面向眼科医院、眼科诊所、视光机构及眼镜门店的移动工作台,帮助机构工作人员在移动端处理日常业务流程。 主要功能: - 查看和处理门店运营信息 - 管理客户、预约和跟进事项 - 查看患者与业务相关记录 - 查看库存、设备和二维码信息 - 支持移动端日常协作和现场操作 本 App 面向符合条件的眼科及视光行业机构开放,并非单一公司或单一组织的内部工具。任何符合条件的眼科医院、眼科诊所、视光机构或眼镜门店均可成为客户并使用本 App。 为保护机构业务数据和相关工作信息,部分功能需要由所属机构开通账号后登录使用。App 免费下载,不包含 App 内购买、订阅或个人用户付费内容。
Screenshots
Verdict
The clearest difference is in-app purchases: Summit Optometry at none against OKN Drum's 1. Summit Optometry also leads on iOS requirement (13.0 vs 17.0). On price, ads and device support 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
Both are free to download. OKN Drum sells 1 one-off in-app purchase. Summit Optometry asks for nothing beyond the download.
| Parameter | OKN Drum | Summit Optometry |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (16 ratings) — better | — |
| Positive reviews | 46.2% of reviews | — |
| Number of ratings | 16 — better | — |
| Update frequency | Every 9 days | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 13 MB | 26 MB |
| Age rating | 4+ | 17+ |
| Developer | My Call Bag LLC | Chengdu Weidike Medical Instruments Co., Ltd. |
In-app purchases
OKN Drum
- Lifetime Access$4.99
Summit Optometry
No in-app purchases









