# Tactile Images READER vs Mathematicus Parvus

The clearest difference is in-app purchases: Tactile Images READER at none against Mathematicus Parvus's 1. Tactile Images READER also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Mathematicus Parvus sells 1 one-off in-app purchase. Tactile Images READER asks for nothing beyond the download.

Tactile Images READER ships an update every 4 months, Mathematicus Parvus every 6 months. The most recent releases landed on June 20, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Tactile Images READER | Mathematicus Parvus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/tactile-images-reader/id1493969253/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Free | — |
| Size | 63 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Asociatia pentru Dezvoltare Urbana](https://appshunter.io/developer/1493969252) | [Kristof Nijs](https://appshunter.io/developer/1608072573) |

## What reviewers say

### Tactile Images READER

[App page](https://appshunter.io/ios/app/tactile-images-reader/id1493969253)

This educational tool provides audio descriptions for tactile graphics, allowing blind and visually impaired individuals to learn independently. It works with interactive tactile graphics from an e-learning platform, offering a virtual assistant to explain details when a phone is placed over the graphic.

**Highlights:** Audio descriptions for tactile graphics, Virtual assistant for detailed explanations, Supports independent learning, Works with interactive tactile graphics, Customizable descriptions, Multilingual support

**Features:** macOS Compatibility

**In-app purchases:** none


### Mathematicus Parvus

[App page](https://appshunter.io/ios/app/mathematicus-parvus/id1613162646)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Purchase of the app | $0.99 | one-time |


## Frequently asked questions

### Is Tactile Images READER free?

Tactile Images READER is free to download, with no in-app purchases.

### Is Mathematicus Parvus free?

Mathematicus Parvus is free to download, with in-app purchases available.

### Do Tactile Images READER or Mathematicus Parvus have ads?

Neither Tactile Images READER nor Mathematicus Parvus shows ads.

### Which is updated more often, Tactile Images READER or Mathematicus Parvus?

Tactile Images READER ships an update every 4 months, and Mathematicus Parvus every 6 months. Most recently, Tactile Images READER was updated on June 20, 2026 and Mathematicus Parvus on September 10, 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.*