Pharo Previewer vs EGD2021
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pharo Previewer
This tool allows you to preview changes to your business's native app in real time before publishing. It helps ensure your app has an attractive design and is accessible, especially for users with visual impairments.
- Real-time preview of app changes
- Accessible design for visual impairments
- Upload content, descriptions, and translations
- Include images, videos, and links
- Interactive maps and location-based notifications
- Build 100% native apps
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You can contribute to creating a world that is more accessible to everyone by providing the information about your business through PharoSuite. Take advantage of the tools provided by the suite and build your own 100% native app, with an attractive design, smart interaction and completely accessible to people with visual impairments. Upload contents, descriptions, translations, images, videos, links, interactive maps. Choose the most appropriate location system to notify your users about contents close to them. Use PharoPreviewer to preview in advance and check whether the changes are as you expect, before publishing them in the final app for your users.
EGD2021
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This version of the app is written by Lam Yeung Shun under the supervision of Dr. Shiu Yin Yuen. The application will act as a guide dog, as an auxiliary tool to guide the visually impaired people (VIP) to the destination in both indoor and outdoor environments. Under the guidance of the navigation, the VIP can easily follow the instructions from the recorded path. The path can be recorded by themselves or received from other users.
Screenshots
Verdict
The clearest difference is update cadence: Pharo Previewer at every 3 months against EGD2021's every 25 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Pharo Previewer ships an update every 3 months, EGD2021 every 25 months. The most recent releases landed on September 7, 2026 and September 8, 2026 respectively.
| Parameter | Pharo Previewer | EGD2021 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months — better | Every 25 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 14.0 |
| Further details — not scored | ||
| Size | 32 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | ITCares s.r.l. | Shiu Yin Yuen |
In-app purchases
Pharo Previewer
No in-app purchases
EGD2021
No in-app purchases
