# Helicopter Simulator 2018 vs Deep Cave

The clearest difference is in-app purchases: Deep Cave at none against Helicopter Simulator 2018's 13. Deep Cave also leads on update cadence (weekly vs every 34 months). Helicopter Simulator 2018's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Helicopter Simulator 2018 sells 13 one-off in-app purchases. Deep Cave asks for nothing beyond the download.

Helicopter Simulator 2018 ships an update every 34 months, Deep Cave weekly. The most recent releases landed on October 22, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Helicopter Simulator 2018 | Deep Cave |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (6 ratings)](https://appshunter.io/ios/app/helicopter-simulator-2018/id1264817328/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 16.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 34 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 318 MB | 15 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thetis Consulting](https://appshunter.io/developer/339173067) | [NEMIACO](https://appshunter.io/developer/1896535847) |

## What reviewers say

### Helicopter Simulator 2018

[App page](https://appshunter.io/ios/app/helicopter-simulator-2018/id1264817328)

Experience realistic helicopter flight with detailed 3D models and over 360 missions. Create your own flight plans, choose weather conditions, and fly through diverse cities. Master takeoff, landing, and complex maneuvers in this immersive simulator.

**Highlights:** Realistic helicopter controls, Detailed 3D helicopter and airport models, Over 360 created missions, Flight planner for custom missions, Dynamic weather and day/night cycles, Multiple camera views

**Features:** Family Sharing

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Restore Fuel | $1.99 | one-time |
| Premium Club | $2.99 | one-time |
| Trump Sikorsky S-76 | $2.99 | one-time |
| U.F.O. | $2.99 | one-time |
| Boeing AH-64 Apache | $4.99 | one-time |
| Bell 206 | $4.99 | one-time |
| Bell 222 | $4.99 | one-time |
| Sikorsky MH-53 | $4.99 | one-time |
| Bell UH-1 Iroquois | $4.99 | one-time |
| Bell 407 | $4.99 | one-time |
| Boeing CH-47 Chinook | $9.99 | one-time |
| WingFoot Blimp | $9.99 | one-time |
| Unlocks all helicopters! | $39.99 | one-time |

**What reviewers like**

- 💡 Helicopter glitch to get free helicopters
- 👍 Good game, needs more free helicopters

**What reviewers complain about**

- 🐛 Difficult to control helicopters
- 🔒 Most helicopters are locked behind paywalls
- 🔋 Frequent crashes and glitches
- 👎 Poor graphics and unrealistic flight dynamics
- 👎 Lack of tutorial or instructions on how to play

**Reported bugs**

- Helicopters flying erratically or crashing on takeoff
- Inability to see altitude and speed information
- Frequent app crashes and freezes
- Glitches with purchased helicopters not working properly

**Requested features**

- More free helicopters to unlock
- Improved flight controls and responsiveness
- Better graphics and realistic environments
- In-depth tutorial for new players
- Ability to customize camera views


### Deep Cave

[App page](https://appshunter.io/ios/app/deep-cave-abyss/id6768066681)

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

**In-app purchases:** none


## Frequently asked questions

### Is Helicopter Simulator 2018 free?

Helicopter Simulator 2018 is free to download, with in-app purchases available.

### Is Deep Cave free?

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

### Do Helicopter Simulator 2018 or Deep Cave have ads?

Both Helicopter Simulator 2018 and Deep Cave show ads.

### Which is updated more often, Helicopter Simulator 2018 or Deep Cave?

Helicopter Simulator 2018 ships an update every 34 months, and Deep Cave weekly. Most recently, Helicopter Simulator 2018 was updated on October 22, 2026 and Deep Cave on October 14, 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.*