# S.E.C. Inc. vs Castle Conquer 3D

The clearest difference is review sentiment: S.E.C. Inc. at 100% against Castle Conquer 3D's 0%. S.E.C. Inc. also leads on ads (none vs shown) and monetization model (free vs ad-supported). Castle Conquer 3D's advantage is update cadence (every 10 days vs every 6 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

S.E.C. Inc. ships an update every 6 months, Castle Conquer 3D every 10 days. The most recent releases landed on June 26, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | S.E.C. Inc. | Castle Conquer 3D |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | **Free** | Ad-supported |
| Size | 186 MB | 318 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Chih-Jeng Teng](https://appshunter.io/developer/1008589150) | [ROCINANTE GAMES YAZILIM VE PAZARLAMA ANONIM SIRKETI](https://appshunter.io/developer/1571036112) |

## What reviewers say

### S.E.C. Inc.

[App page](https://appshunter.io/ios/app/sec-inc/id1582192582)

Manage a monster-extermination company on the verge of bankruptcy. Accept commissions to resolve abnormal incidents and keep your business afloat.

**Highlights:** Company management, Monster extermination, Incident resolution, Agent management, Financial management

**Features:** macOS Compatibility

**In-app purchases:** none


### Castle Conquer 3D

[App page](https://appshunter.io/ios/app/castle-conquer-3d/id6444292029)

Strategically place and control your army by drawing formations with your finger. Engage in epic sieges against various enemy armies across different castles to become the ultimate conqueror.

**Highlights:** Finger-drawn army placement, Strategic siege planning, Control army formations, Battle diverse armies, Conquer multiple castles

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is S.E.C. Inc. free?

S.E.C. Inc. is free to download, with no in-app purchases.

### Is Castle Conquer 3D free?

Castle Conquer 3D is free to download, with no in-app purchases.

### Do S.E.C. Inc. or Castle Conquer 3D have ads?

Castle Conquer 3D shows ads; S.E.C. Inc. does not.

### Which is updated more often, S.E.C. Inc. or Castle Conquer 3D?

S.E.C. Inc. ships an update every 6 months, and Castle Conquer 3D every 10 days. Most recently, S.E.C. Inc. was updated on June 26, 2026 and Castle Conquer 3D on September 9, 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.*