# Sumalo vs The Operator

The clearest difference is in-app purchases: Sumalo at none against The Operator's 1. Sumalo also leads on review sentiment (100% vs 84%). The Operator's advantage is ratings volume (510 vs 1). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. The Operator sells 1 one-off in-app purchase. Sumalo asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Sumalo against 4.9 for The Operator. That said, the two scores are not equally well evidenced: The Operator has 510 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 100% of Sumalo's written reviews are positive against 84% of The Operator's.

Sumalo ships an update weekly, The Operator daily. The most recent releases landed on October 19, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Sumalo | The Operator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sumalo-fast-mental-math/id6762127607/reviews)** | [4.9 (510 ratings)](https://appshunter.io/ios/app/the-operator/id6779664500/reviews) |
| Number of ratings | 1 | **510** |
| Positive reviews | **100.0% of reviews** | 83.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Free | Free |
| Size | 125 MB | 926 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Daniel Salamanca Garcia](https://appshunter.io/developer/1893035879) | [Bureau 81](https://appshunter.io/developer/6779664502) |

## What reviewers say

### Sumalo

[App page](https://appshunter.io/ios/app/sumalo-fast-mental-math/id6762127607)

Engage in a fast-paced mental math challenge using the reduced sum technique. Test your reflexes across eight unique game modes and compete in seasonal rankings to improve focus and calculation speed.

**Highlights:** Reduced sum technique, Eight unique game modes, Seasonal rankings and ELO system, Real-time duels with friends, Detailed performance statistics, Cognitive training for focus and memory

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### The Operator

[App page](https://appshunter.io/ios/app/the-operator/id6779664500)

Step into the role of an Operator for the FDI, solving complex cases like murders and cyber attacks. Utilize advanced software to analyze evidence, assist field agents, and uncover the truth behind mind-bending mysteries. Your ingenuity is key to bringing criminals to justice and making the world a safer place.

**Highlights:** Investigate diverse criminal cases, Utilize cutting-edge FDI software, Analyze evidence and find clues, Assist field agents with fact-checking, Uncover mind-bending stories, Solve mysteries through deduction

**Features:** macOS Compatibility, Game Controller support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game | $7.99 | one-time |


## Frequently asked questions

### Is Sumalo free?

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

### Is The Operator free?

The Operator is free to download, with in-app purchases available.

### Which has better reviews, Sumalo or The Operator?

Sumalo is rated higher. Sumalo averages 5.0 out of 5 from 1 ratings, while The Operator averages 4.9 from 510 ratings.

### Do Sumalo or The Operator have ads?

Neither Sumalo nor The Operator shows ads.

### Which is updated more often, Sumalo or The Operator?

Sumalo ships an update weekly, and The Operator daily. Most recently, Sumalo was updated on October 19, 2026 and The Operator on October 17, 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.*