# Pharo Previewer vs Percepta

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.

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.

## The numbers

| Metric | Pharo Previewer | Percepta |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pharo-previewer/id1393842190/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 32 MB | 21 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ITCares s.r.l.](https://appshunter.io/developer/1393842189) | [Ahan Nithin](https://appshunter.io/developer/6778949339) |

## What reviewers say

### Pharo Previewer

[App page](https://appshunter.io/ios/app/pharo-previewer/id1393842190)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Percepta

[App page](https://appshunter.io/ios/app/percepta-expression-reader/id6778949337)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Pharo Previewer free?

Pharo Previewer is free to download, with no in-app purchases.

### Is Percepta free?

Percepta is free to download, with no in-app purchases.

### Do Pharo Previewer or Percepta have ads?

Neither Pharo Previewer nor Percepta shows ads.

### Which is updated more often, Pharo Previewer or Percepta?

Pharo Previewer ships an update every 3 months, and Percepta every 4 days. Most recently, Pharo Previewer was updated on September 23, 2026 and Percepta on October 5, 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.*