# Find Missing in Subtraction vs Calcugators

The clearest difference is review sentiment: Calcugators at 86% against Find Missing in Subtraction's 0%. Calcugators also leads on rating (4.7 vs 1.0) and in-app purchases (none vs 1). Find Missing in Subtraction's advantage is price (Free vs $1.99) and iOS requirement (10.0 vs 14.0). On ads and device support there is nothing between them.

Find Missing in Subtraction is free to download; Calcugators costs $1.99 up front. Find Missing in Subtraction sells 1 one-off in-app purchase. Calcugators asks for nothing beyond the download.

Calcugators holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Calcugators has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Find Missing in Subtraction's written reviews are positive against 86% of Calcugators's.

Find Missing in Subtraction ships an update every 121 months, Calcugators every 49 months. Both last shipped on October 20, 2026.

## The numbers

| Metric | Find Missing in Subtraction | Calcugators |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/find-missing-in-subtraction/id1078068895/reviews) | **[4.7 (7 ratings)](https://appshunter.io/ios/app/calcugators-addition/id1246849143/reviews)** |
| Number of ratings | 1 | **7** |
| Positive reviews | 0.0% of reviews | **85.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 121 months | **Every 49 months** |
| Monetization | **Free** | Paid |
| Size | 110 MB | 73 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blooming Kids Software LLC](https://appshunter.io/developer/501015942) | [Little 10 Robot](https://appshunter.io/developer/1246849142) |

## What reviewers say

### Find Missing in Subtraction

[App page](https://appshunter.io/ios/app/find-missing-in-subtraction/id1078068895)

This educational app helps children practice subtraction skills. It presents problems with missing numbers and offers interactive feedback. Users can customize settings like problem layout and number selection, and track progress through detailed reports.

**Highlights:** Interactive subtraction problems, Customizable problem layout (vertical/horizontal), Optional answer prompts, Random number generation, Congratulatory animations, Progress tracking and reports, Test mode

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Finding Missing Number in Subtraction | $3.99 | one-time |


### Calcugators

[App page](https://appshunter.io/ios/app/calcugators-addition/id1246849143)

This educational game makes practicing addition fun for children. Kids embark on a math hike, feeding gators by solving problems that encourage various math strategies. It offers four difficulty levels for a personalized challenge.

**Highlights:** Addition practice, Math strategy development, Four difficulty levels, Offline play, No ads or tracking, Account-free

**In-app purchases:** none


## Frequently asked questions

### Is Find Missing in Subtraction free?

Find Missing in Subtraction is free to download, with in-app purchases available.

### Is Calcugators free?

Calcugators costs $1.99, with no in-app purchases.

### Which has better reviews, Find Missing in Subtraction or Calcugators?

Calcugators is rated higher. Find Missing in Subtraction averages 1.0 out of 5 from 1 ratings, while Calcugators averages 4.7 from 7 ratings.

### Do Find Missing in Subtraction or Calcugators have ads?

Neither Find Missing in Subtraction nor Calcugators shows ads.

### Which is updated more often, Find Missing in Subtraction or Calcugators?

Find Missing in Subtraction ships an update every 121 months, and Calcugators every 49 months. Most recently, Find Missing in Subtraction was updated on October 20, 2026 and Calcugators on October 20, 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.*