# Addition Quest vs Dah

The clearest difference is in-app purchases: Addition Quest at none against Dah's 3. Addition Quest also leads on iOS requirement (12.0 vs 15.0). Dah's advantage is update cadence (fortnightly vs every 38 months) and device support (5 vs 3). On price and ads there is nothing between them.

Both are free to download. Dah sells 3 one-off in-app purchases. Addition Quest asks for nothing beyond the download.

Addition Quest ships an update every 38 months, Dah fortnightly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Addition Quest | Dah |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (9 ratings)](https://appshunter.io/ios/app/dah-varsity/id1567771078/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 38 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 34 MB | 3.2 GB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPad, Mac, Apple TV | **iPhone, iPad, iPod, Mac, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [Toyz Electronics](https://appshunter.io/developer/1567771080) |

## What reviewers say

### Addition Quest

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

**Features:** Vision Pro support

**In-app purchases:** none


### Dah

[App page](https://appshunter.io/ios/app/dah-varsity/id1567771078)

Learn STEAM and entrepreneurship through engaging gameplay. Explore topics like science, math, and arts while being inspired by the creators' journey. Discover resources for after-school activities and college preparation.

**Highlights:** STEAM and entrepreneurship learning, Interactive gaming experience, Inspiration from creators' story, Resources for after-school activities, College preparation guidance, Multilingual support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dah-Varsity Points | $4.99 | one-time |
| Dah-Varsity Points | $9.99 | one-time |
| Deity Dah Life or Death STEMS | $29.99 | one-time |


## Frequently asked questions

### Is Addition Quest free?

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

### Is Dah free?

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

### Do Addition Quest or Dah have ads?

Neither Addition Quest nor Dah shows ads.

### Which is updated more often, Addition Quest or Dah?

Addition Quest ships an update every 38 months, and Dah fortnightly. Most recently, Addition Quest was updated on October 25, 2026 and Dah on October 24, 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.*