# National Archives DocsTeach vs Math Skills Builder Lite

The clearest difference is rating: Math Skills Builder Lite at 5.0 against National Archives DocsTeach's 2.5. National Archives DocsTeach's advantage is in-app purchases (none vs 1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Math Skills Builder Lite sells 1 one-off in-app purchase. National Archives DocsTeach asks for nothing beyond the download.

Math Skills Builder Lite holds the better App Store score, 5.0 against 2.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

National Archives DocsTeach ships an update every 10 months, Math Skills Builder Lite every 19 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | National Archives DocsTeach | Math Skills Builder Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (2 ratings)](https://appshunter.io/ios/app/national-archives-docsteach/id513465174/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/math-skills-builder-lite/id1277897625/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 19 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 8 MB | 191 MB |
| Requires iOS | 13.6 | **13.0** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [National Archives and Records Administration](https://appshunter.io/developer/412969822) | [Attainment Company](https://appshunter.io/developer/403989333) |

## What reviewers say

### National Archives DocsTeach

[App page](https://appshunter.io/ios/app/national-archives-docsteach/id513465174)

This app allows students to learn from historical documents assigned by teachers or explore activities by historical era. Educators can create and share custom learning activities using primary sources from the U.S. National Archives.

**Highlights:** Access teacher-assigned activities, Explore activities by historical era, Analyze digitized primary sources, Create custom learning activities, Works with DocsTeach.org website

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Skills Builder Lite

[App page](https://appshunter.io/ios/app/math-skills-builder-lite/id1277897625)

This app helps students apply early numeracy skills to solve real-world math problems. It uses math stories and concrete strategies to teach when to add or subtract. Research indicates the program is highly effective for developing problem-solving abilities.

**Highlights:** Real-world math problem scenarios, Early numeracy skill application, Concrete addition/subtraction strategies, Multiple learning modes, Research-backed effectiveness

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $59.99 | one-time |


## Frequently asked questions

### Is National Archives DocsTeach free?

National Archives DocsTeach is free to download, with no in-app purchases.

### Is Math Skills Builder Lite free?

Math Skills Builder Lite is free to download, with in-app purchases available.

### Which has better reviews, National Archives DocsTeach or Math Skills Builder Lite?

Math Skills Builder Lite is rated higher. National Archives DocsTeach averages 2.5 out of 5 from 2 ratings, while Math Skills Builder Lite averages 5.0 from 1 ratings.

### Do National Archives DocsTeach or Math Skills Builder Lite have ads?

Neither National Archives DocsTeach nor Math Skills Builder Lite shows ads.

### Which is updated more often, National Archives DocsTeach or Math Skills Builder Lite?

National Archives DocsTeach ships an update every 10 months, and Math Skills Builder Lite every 19 months. Most recently, National Archives DocsTeach was updated on November 1, 2026 and Math Skills Builder Lite on November 3, 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.*