# Artic Practice vs Sentence Key WHOisDOingWHAT

The clearest difference is update cadence: Artic Practice at every 9 months against Sentence Key WHOisDOingWHAT's every 45 months. Artic Practice also leads on iOS requirement (9.0 vs 14.0). Sentence Key WHOisDOingWHAT's advantage is price ($4.99 vs $9.99). On ads, in-app purchases and device support there is nothing between them.

Artic Practice costs $9.99 and Sentence Key WHOisDOingWHAT $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Artic Practice ships an update every 9 months, Sentence Key WHOisDOingWHAT every 45 months. The most recent releases landed on May 15, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Artic Practice | Sentence Key WHOisDOingWHAT |
| --- | --- | --- |
| Price | $9.99 | **$4.99** |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/sentence-key-whoisdoingwhat/id601159411/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 45 months |
| Monetization | — | Paid |
| Size | 111 MB | 16 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Learning Fundamentals, Inc.](https://appshunter.io/developer/454061076) | [Computerade Products](https://appshunter.io/developer/478002462) |

## What reviewers say

### Artic Practice

[App page](https://appshunter.io/ios/app/artic-practice/id520874877)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sentence Key WHOisDOingWHAT

[App page](https://appshunter.io/ios/app/sentence-key-whoisdoingwhat/id601159411)

This app helps beginning language learners build sentences by selecting words or picture symbols, which are then animated. It's designed for special education needs, including AAC users and learners with autism or language disorders, supporting Common Core standards.

**Highlights:** Animated sentence creation, Word and symbol selection, Speech and text output, Word-by-word highlighting, Color-coded choices, Teacher customization options, Match mode for picture description

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

**In-app purchases:** none


## Frequently asked questions

### Is Artic Practice free?

Artic Practice costs $9.99, with no in-app purchases.

### Is Sentence Key WHOisDOingWHAT free?

Sentence Key WHOisDOingWHAT costs $4.99, with no in-app purchases.

### Do Artic Practice or Sentence Key WHOisDOingWHAT have ads?

Neither Artic Practice nor Sentence Key WHOisDOingWHAT shows ads.

### Which is updated more often, Artic Practice or Sentence Key WHOisDOingWHAT?

Artic Practice ships an update every 9 months, and Sentence Key WHOisDOingWHAT every 45 months. Most recently, Artic Practice was updated on May 15, 2026 and Sentence Key WHOisDOingWHAT on October 23, 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.*