# Intermountain Histories vs Blending Stack

The clearest difference is price: Intermountain Histories at Free against Blending Stack's $3.99. Intermountain Histories also leads on update cadence (every 6 months vs every 14 months) and ratings volume (5 vs 1). Blending Stack's advantage is chart position (#199 vs unranked). On rating, ads, in-app purchases and device support there is nothing between them.

Intermountain Histories is free to download; Blending Stack costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Intermountain Histories against 5.0 for Blending Stack. That said, the two scores are not equally well evidenced: Intermountain Histories has 5 ratings behind it against 1, so its average is the more settled of the two.

Intermountain Histories ships an update every 6 months, Blending Stack every 14 months. The most recent releases landed on September 8, 2026 and July 28, 2026 respectively.

## The numbers

| Metric | Intermountain Histories | Blending Stack |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/intermountain-histories/id1200039622/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/blending-stack/id6736709814/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 14 months |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#199** |
| Size | 26 MB | 3 MB |
| Requires iOS | **15.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cleveland State University Research Corporation](https://appshunter.io/developer/999944336) | [Kids n Books LLC](https://appshunter.io/developer/1773130843) |

## What reviewers say

### Intermountain Histories

[App page](https://appshunter.io/ios/app/intermountain-histories/id1200039622)

Explore the history of the Intermountain West with this educational app. It offers scholarly information, stories, and virtual tours of historic sites using a GPS-enabled map. Discover the diverse peoples, places, and events of the region through photos, videos, and audio interviews.

**Highlights:** Scholarly historical information, Interpretive stories of historic sites, GPS-enabled interactive map, Virtual and physical walking tours, Historical photos, videos, and audio, Continuously updated content

**In-app purchases:** none


### Blending Stack

[App page](https://appshunter.io/ios/app/blending-stack/id6736709814)

**Currently charting:** #199 Top Paid · Education (US App Store)

This app helps educators and parents support students with learning differences, like dyslexia, by creating customizable blending stacks. It aids in building decoding skills step-by-step through a structured phoneme progression, suitable for one-on-one or small group instruction.

**Highlights:** Customizable blending stacks, Supports CVC to multisyllabic words, Structured phoneme progression, Step-by-step decoding skill building, Ideal for one-on-one instruction, Suitable for small group lessons

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Intermountain Histories free?

Intermountain Histories is free to download, with no in-app purchases.

### Is Blending Stack free?

Blending Stack costs $3.99, with no in-app purchases.

### Which has better reviews, Intermountain Histories or Blending Stack?

Intermountain Histories and Blending Stack are both rated 5.0 out of 5 on the App Store, from 5 and 1 ratings respectively.

### Do Intermountain Histories or Blending Stack have ads?

Neither Intermountain Histories nor Blending Stack shows ads.

### Which is updated more often, Intermountain Histories or Blending Stack?

Intermountain Histories ships an update every 6 months, and Blending Stack every 14 months. Most recently, Intermountain Histories was updated on September 8, 2026 and Blending Stack on July 28, 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.*