# Developing Sentence Strips vs Addition Quest

The clearest difference is update cadence: Developing Sentence Strips at fortnightly against Addition Quest's every 38 months. Developing Sentence Strips also leads on iOS requirement (10.0 vs 12.0). Addition Quest's advantage is device support (3 vs 1). 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.

Developing Sentence Strips ships an update fortnightly, Addition Quest every 38 months. The most recent releases landed on October 3, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Developing Sentence Strips | Addition Quest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 38 months |
| Size | 30 MB | 34 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPad | **iPad, Mac, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Classroom Focused Software](https://appshunter.io/developer/406741679) | [Ventura Educational Systems](https://appshunter.io/developer/371324172) |

## What reviewers say

### Developing Sentence Strips

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Addition Quest

[App page](https://appshunter.io/ios/app/addition-quest/id1462798226)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Developing Sentence Strips free?

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

### Is Addition Quest free?

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

### Do Developing Sentence Strips or Addition Quest have ads?

Neither Developing Sentence Strips nor Addition Quest shows ads.

### Which is updated more often, Developing Sentence Strips or Addition Quest?

Developing Sentence Strips ships an update fortnightly, and Addition Quest every 38 months. Most recently, Developing Sentence Strips was updated on October 3, 2026 and Addition Quest on October 5, 2026.

---

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