# RunStudy vs Dollar Words

The clearest difference is in-app purchases: Dollar Words at none against RunStudy's 6. Dollar Words also leads on ads (none vs shown). RunStudy's advantage is update cadence (every 5 days vs every 17 months) and iOS requirement (14.0 vs 16.4). On price and device support there is nothing between them.

Both are free to download. RunStudy sells 6 in-app purchases, starting at $1.99 per 7 days. Dollar Words asks for nothing beyond the download.

RunStudy ships an update every 5 days, Dollar Words every 17 months. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | RunStudy | Dollar Words |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dollar-words/id6462712171/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 17 months |
| Monetization | — | Free |
| Size | 70 MB | 6 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BY STEP ENGINEERING COMPANY LIMITED](https://appshunter.io/developer/1699729541) | [Tim Hibbard](https://appshunter.io/developer/545689429) |

## What reviewers say

### RunStudy

[App page](https://appshunter.io/ios/app/runstudy-homework-teachers/id6454792243)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Chat Pro | $1.99 | per 7 days |
| Unlimited Chat Pro | $2.99 | per 7 days |
| Unlimited Chat Pro | $3.99 | per 7 days |
| Unlimited Chat Pro | $12.99 | per year |
| Unlimited Chat Pro | $24.99 | per year |
| Unlimited Chat Pro | $35.99 | per year |


### Dollar Words

[App page](https://appshunter.io/ios/app/dollar-words/id6462712171)

This game teaches math and spelling by assigning a monetary value to each letter. Players form words where the letter values sum to exactly one dollar.

**Highlights:** Letter value system, Dollar word challenges, Math and spelling practice, Educational gameplay, Family-created content

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RunStudy free?

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

### Is Dollar Words free?

Dollar Words is free to download, with no in-app purchases.

### Do RunStudy or Dollar Words have ads?

RunStudy shows ads; Dollar Words does not.

### Which is updated more often, RunStudy or Dollar Words?

RunStudy ships an update every 5 days, and Dollar Words every 17 months. Most recently, RunStudy was updated on October 11, 2026 and Dollar Words on October 2, 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.*