# Place Value Chart vs Calculation Triangle

The clearest difference is rating: Calculation Triangle at 3.0 against Place Value Chart's 1.8. Calculation Triangle also leads on iOS requirement (6.0 vs 12.0). Place Value Chart's advantage is monetization model (free vs paid) and review sentiment (60% vs 30%). On price, ads, in-app purchases and device support there is nothing between them.

Place Value Chart costs $0.29 and Calculation Triangle $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calculation Triangle holds the better App Store score, 3.0 against 1.8. That said, the two scores are not equally well evidenced: Place Value Chart has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 60% of Place Value Chart's written reviews are positive against 30% of Calculation Triangle's, so the app with the better star average is not the one people write more warmly about.

Place Value Chart ships an update every 2 months, Calculation Triangle every 21 months. The most recent releases landed on September 13, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Place Value Chart | Calculation Triangle |
| --- | --- | --- |
| Price | **$0.29** | $0.99 |
| Rating | [1.8 (5 ratings)](https://appshunter.io/ios/app/place-value-chart/id568750442/reviews) | **[3.0 (1 ratings)](https://appshunter.io/ios/app/calculation-triangle/id575736731/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | **60.0% of reviews** | 30.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 21 months |
| Monetization | **Free** | Paid |
| Size | 3 MB | 22 MB |
| Requires iOS | 12.0 | **6.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ulrich Kortenkamp](https://appshunter.io/developer/568750445) | [Christian Urff](https://appshunter.io/developer/415894463) |

## What reviewers say

### Place Value Chart

[App page](https://appshunter.io/ios/app/place-value-chart/id568750442)

Explore the decimal number system through interactive grouping and ungrouping of tokens. This app allows you to build numbers, remove tokens, and understand place value concepts. New features include displaying totals as numbers and in written English, and support for decimal fractions.

**Highlights:** Interactive token manipulation, Grouping and ungrouping concepts, Display totals as numbers, Display totals in written English, Support for decimal fractions, Shake to clear tokens

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculation Triangle

[App page](https://appshunter.io/ios/app/calculation-triangle/id575736731)

This virtual manipulative helps develop flexible arithmetic thinking. Users can create puzzles, model problems, and explore number relationships by adding, moving, and hiding tokens within a calculation triangle.

**Highlights:** Virtual calculation triangle manipulative, Token manipulation for arithmetic, Create and solve number puzzles, Hide/show fields and numbers, Shake to clear the triangle, Explore number relationships

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Place Value Chart free?

Place Value Chart costs $0.29, with no in-app purchases.

### Is Calculation Triangle free?

Calculation Triangle costs $0.99, with no in-app purchases.

### Which has better reviews, Place Value Chart or Calculation Triangle?

Calculation Triangle is rated higher. Place Value Chart averages 1.8 out of 5 from 5 ratings, while Calculation Triangle averages 3.0 from 1 ratings.

### Do Place Value Chart or Calculation Triangle have ads?

Neither Place Value Chart nor Calculation Triangle shows ads.

### Which is updated more often, Place Value Chart or Calculation Triangle?

Place Value Chart ships an update every 2 months, and Calculation Triangle every 21 months. Most recently, Place Value Chart was updated on September 13, 2026 and Calculation Triangle on September 21, 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.*