# Calculation Solitaire vs Number Sums

The clearest difference is rating: Number Sums at 4.6 against Calculation Solitaire's 2.8. Number Sums also leads on update cadence (every 2 months vs every 12 months) and ratings volume (31K vs 4). Calculation Solitaire's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 15.0). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Number Sums sells 1 one-off in-app purchase. Calculation Solitaire asks for nothing beyond the download.

Number Sums holds the better App Store score, 4.6 against 2.8. That said, the two scores are not equally well evidenced: Number Sums has 31K ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 25% and 26% positive.

Calculation Solitaire ships an update every 12 months, Number Sums every 2 months. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Calculation Solitaire | Number Sums |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (4 ratings)](https://appshunter.io/ios/app/calculation-solitaire/id938401085/reviews) | **[4.6 (31K ratings)](https://appshunter.io/ios/app/number-sums-numbers-game/id6449427809/reviews)** |
| Number of ratings | 4 | **31K** |
| Positive reviews | 25.0% of reviews | **25.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Best chart rank | — | **#197** |
| Size | 18 MB | 227 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [MmpApps Corp.](https://appshunter.io/developer/400209427) | [Easybrain Ltd](https://appshunter.io/developer/1190815537) |

## What reviewers say

### Calculation Solitaire

[App page](https://appshunter.io/ios/app/calculation-solitaire/id938401085)

A unique solitaire game where the objective is to move all cards to the foundation piles, but with a twist: foundation piles are built by stepping up by a specific number, ignoring suits. A hint card guides players through the challenging gameplay.

**Highlights:** Unique foundation building by number steps, Hint card for planning, Stashing columns for cards, Adjustable difficulty levels, Bonus game mode

**Features:** macOS Compatibility

**In-app purchases:** none


### Number Sums

[App page](https://appshunter.io/ios/app/number-sums-numbers-game/id6449427809)

**Currently charting:** #197 Top Free · Board (US App Store)

This app offers a challenging number puzzle designed to enhance mental math skills. Players must make the sum of numbers in rows, columns, and colored regions match given clues by circling correct numbers and erasing extras. It provides a fun way to practice arithmetic and logic with various difficulty levels.

**Highlights:** Summing numbers in rows and columns, Matching sums to clues, Circling and erasing numbers, Multiple difficulty levels, Board sizes from 3x3 to 10x10, Hint system

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Number Sums No Ads | $14.99 | one-time |

**What reviewers like**

- 🧠 Challenging brain exercise
- 🔢 Enjoyable number-based gameplay
- 👍 Well-designed interface
- 🕰️ No time pressure

**What reviewers complain about**

- 💢 Excessive mid-game ads
- 🤔 Toggle button issues
- 🔍 Small text/numbers
- 🔋 Game drains battery

**Reported bugs**

- Incorrect number removal function removed
- Ads randomly opening browser pages

**Requested features**

- Dark mode option
- Separate buttons for circle/erase
- Auto-erase incorrect numbers
- Difficulty/grid size selection


## Frequently asked questions

### Is Calculation Solitaire free?

Calculation Solitaire is free to download, with no in-app purchases.

### Is Number Sums free?

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

### Which has better reviews, Calculation Solitaire or Number Sums?

Number Sums is rated higher. Calculation Solitaire averages 2.8 out of 5 from 4 ratings, while Number Sums averages 4.6 from 31K ratings.

### Do Calculation Solitaire or Number Sums have ads?

Both Calculation Solitaire and Number Sums show ads.

### Which is updated more often, Calculation Solitaire or Number Sums?

Calculation Solitaire ships an update every 12 months, and Number Sums every 2 months. Most recently, Calculation Solitaire was updated on October 24, 2026 and Number Sums on October 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.*