# Comprehension Aphasia vs Periodic Table Elements Master

The clearest difference is price: Periodic Table Elements Master at $1.99 against Comprehension Aphasia's $19.99. Comprehension Aphasia's advantage is review sentiment (33% vs 0%) and iOS requirement (15.6 vs 17.0). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Comprehension Aphasia costs $19.99 and Periodic Table Elements Master $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Comprehension Aphasia ships an update every 10 months, Periodic Table Elements Master every 15 months. The most recent releases landed on October 16, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Comprehension Aphasia | Periodic Table Elements Master |
| --- | --- | --- |
| Price | $19.99 | **$1.99** |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/comprehension-aphasia/id634965865/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 15 months |
| Monetization | Paid | Paid |
| Size | 217 MB | 21 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Virtual Speech Center Inc.](https://appshunter.io/developer/455333785) | [DigiGalaxy](https://appshunter.io/developer/1470420175) |

## What reviewers say

### Comprehension Aphasia

[App page](https://appshunter.io/ios/app/comprehension-aphasia/id634965865)

This app helps improve auditory processing and receptive language skills for adults and children. It offers over 1,700 audio instructions across various activities, including yes-no questions and directions, with adjustable difficulty levels and optional background noise to enhance focus.

**Highlights:** Auditory processing improvement, Receptive language development, 1,700+ audio instructions, Adjustable difficulty levels, Background noise simulation, User progress tracking, Multi-user support

**Features:** macOS Compatibility

**In-app purchases:** none


### Periodic Table Elements Master

[App page](https://appshunter.io/ios/app/periodic-table-elements-master/id1471264123)

Master the Periodic Table of Elements with interactive flashcards and engaging quizzes. This app offers a fun, visual approach for all ages to learn essential facts about chemical elements, metals, and gases, reinforcing knowledge through various game modes.

**Highlights:** Interactive flashcards with element details, Multiple quiz modes (symbols, fill the table, names), Visual and colorful learning design, Practice and quiz modes, Designed for all ages, Reinforces element location and information

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

**In-app purchases:** none


## Frequently asked questions

### Is Comprehension Aphasia free?

Comprehension Aphasia costs $19.99, with no in-app purchases.

### Is Periodic Table Elements Master free?

Periodic Table Elements Master costs $1.99, with no in-app purchases.

### Do Comprehension Aphasia or Periodic Table Elements Master have ads?

Neither Comprehension Aphasia nor Periodic Table Elements Master shows ads.

### Which is updated more often, Comprehension Aphasia or Periodic Table Elements Master?

Comprehension Aphasia ships an update every 10 months, and Periodic Table Elements Master every 15 months. Most recently, Comprehension Aphasia was updated on October 16, 2026 and Periodic Table Elements Master on October 29, 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.*