Pharo Previewer vs Percepta
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.
Percepta
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Percepta is an intelligent companion designed to empower individuals with partial or complete visual impairment by providing real-time navigation assistance and environmental awareness. Using only your iPhone, Percepta transforms what the camera sees into intuitive audio and haptic feedback to help you navigate with greater confidence. Designed for reliability and privacy, Percepta functions entirely offline, ensuring that your navigation data remains secure and accessible even without an internet connection. KEY FEATURES • Intuitive Spatial Feedback: Translates real-time depth and scene sensing into simple, frequency-based audio cues and haptic alerts, so you can anticipate obstacles like doors, stairs, and waist-height hazards before you reach them. • Offline-First Reliability: Core navigation and safety functions run fully on-device. No cloud dependency means Percepta works reliably in any environment. • Intelligent Awareness (AI Mode): Optional AI-powered processing identifies essential environmental features, such as staircases and doorways, helping you orient yourself in unfamiliar spaces. • Socioemotional Guide: Point the front camera at a conversation partner and Percepta reads the facial expression - happy, sad, surprised, angry - spoken aloud and felt as a gentle haptic tap. Processing is entirely on-device. • Personalized Feedback: Adjust feedback sensitivity and customize the experience for your specific mobility needs. • Privacy-Focused Design: All perception processing happens locally on your device. No sensitive visual data is ever uploaded or stored. WHO IS PERCEPTA FOR? Percepta is developed for visually impaired individuals, elderly persons, and anyone seeking a lightweight and discreet way to improve daily mobility and spatial awareness. GETTING STARTED Install, sign in, and allow camera access — that's it. Everything runs on your iPhone. Percepta is an assistive aid, not a medical device. Privacy: We do not collect or store audio, video, or location data. All processing occurs locally on your device.
Screenshots
Verdict
The clearest difference is update cadence: Percepta at every 4 days against Pharo Previewer's every 3 months. Pharo Previewer's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 17.0). On price, ads and in-app purchases 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, Percepta every 4 days. The most recent releases landed on September 23, 2026 and October 5, 2026 respectively.
| Parameter | Pharo Previewer | Percepta |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 32 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | ITCares s.r.l. | Ahan Nithin |
In-app purchases
Pharo Previewer
No in-app purchases
Percepta
No in-app purchases







