# Sentence Key WHOisDOingWHAT vs Developing Sentence Strips

The clearest difference is price: Developing Sentence Strips at Free against Sentence Key WHOisDOingWHAT's $4.99. Developing Sentence Strips also leads on update cadence (fortnightly vs every 45 months) and iOS requirement (10.0 vs 14.0). Sentence Key WHOisDOingWHAT's advantage is device support (3 vs 1). On ads and in-app purchases there is nothing between them.

Developing Sentence Strips is free to download; Sentence Key WHOisDOingWHAT costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sentence Key WHOisDOingWHAT ships an update every 45 months, Developing Sentence Strips fortnightly. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Sentence Key WHOisDOingWHAT | Developing Sentence Strips |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| 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 45 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 16 MB | 30 MB |
| Requires iOS | 14.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Computerade Products](https://appshunter.io/developer/478002462) | [Classroom Focused Software](https://appshunter.io/developer/406741679) |

## What reviewers say

### 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


### Developing Sentence Strips

[App page](https://appshunter.io/ios/app/developing-sentence-strips/id1439630082)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sentence Key WHOisDOingWHAT free?

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

### Is Developing Sentence Strips free?

Developing Sentence Strips is free to download, with no in-app purchases.

### Do Sentence Key WHOisDOingWHAT or Developing Sentence Strips have ads?

Neither Sentence Key WHOisDOingWHAT nor Developing Sentence Strips shows ads.

### Which is updated more often, Sentence Key WHOisDOingWHAT or Developing Sentence Strips?

Sentence Key WHOisDOingWHAT ships an update every 45 months, and Developing Sentence Strips fortnightly. Most recently, Sentence Key WHOisDOingWHAT was updated on October 14, 2026 and Developing Sentence Strips on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*