# OperateCtrl vs Sum Loop

The clearest difference is in-app purchases: OperateCtrl at none against Sum Loop's 1. OperateCtrl also leads on update cadence (every 3 days vs every 4 months) and iOS requirement (11.0 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. Sum Loop sells 1 one-off in-app purchase. OperateCtrl asks for nothing beyond the download.

OperateCtrl ships an update every 3 days, Sum Loop every 4 months. The most recent releases landed on October 27, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | OperateCtrl | Sum Loop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sum-loop/id6447087917/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 4 months |
| Monetization | — | Free with in-app purchases |
| Size | 52 MB | 9 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ayumu tonosaki](https://appshunter.io/developer/1669963115) | [Goro Sato](https://appshunter.io/developer/412448991) |

## What reviewers say

### OperateCtrl

[App page](https://appshunter.io/ios/app/operatectrl/id1669963113)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sum Loop

[App page](https://appshunter.io/ios/app/sum-loop/id6447087917)

A challenging puzzle game where players place blocks into overlapping loops to match displayed sums. Offers multiple solutions for each puzzle, providing replayability. Designed for quick, engaging gameplay.

**Highlights:** Match sums in overlapping loops, Place blocks to solve puzzles, Multiple solutions per puzzle, Challenging gameplay, Intuitive block placement

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is OperateCtrl free?

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

### Is Sum Loop free?

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

### Do OperateCtrl or Sum Loop have ads?

Both OperateCtrl and Sum Loop show ads.

### Which is updated more often, OperateCtrl or Sum Loop?

OperateCtrl ships an update every 3 days, and Sum Loop every 4 months. Most recently, OperateCtrl was updated on October 27, 2026 and Sum Loop on October 19, 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.*