# Number Sum Up vs Where is Bob

The clearest difference is in-app purchases: Where is Bob at none against Number Sum Up's 1. Number Sum Up's advantage is iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Number Sum Up sells 1 one-off in-app purchase. Where is Bob asks for nothing beyond the download.

## The numbers

| Metric | Number Sum Up | Where is Bob |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (19 ratings)](https://appshunter.io/ios/app/number-sum-up-quick-math/id6502631525/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 197 MB | 46 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ALICE GAMES](https://appshunter.io/developer/1726187276) | [Gabor Bokodi](https://appshunter.io/developer/1896037627) |

## What reviewers say

### Number Sum Up

[App page](https://appshunter.io/ios/app/number-sum-up-quick-math/id6502631525)

Solve number puzzles by circling and erasing digits to make rows and columns add up to target sums. This game offers a clean design and varying difficulty levels to sharpen your mental math skills.

**Highlights:** Circle and erase numbers, Solve row and column sum puzzles, Multiple difficulty levels, Varying board sizes, Hint system, Clean and simple design

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


### Where is Bob

[App page](https://appshunter.io/ios/app/where-is-bob/id6799760303)

**In-app purchases:** none


## Frequently asked questions

### Is Number Sum Up free?

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

### Is Where is Bob free?

Where is Bob is free to download, with no in-app purchases.

### Do Number Sum Up or Where is Bob have ads?

Neither Number Sum Up nor Where is Bob shows ads.

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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.*