# BT vs ABYSS  Deep Light

The clearest difference is ads: ABYSS  Deep Light at none against BT's shown. BT's advantage is update cadence (every 10 days vs every 3 weeks). 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.

BT ships an update every 10 days, ABYSS  Deep Light every 3 weeks. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | BT | ABYSS  Deep Light |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Paid | — |
| Size | 60 MB | 39 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 9+ |
| Developer | [Oleksandr Zheliezniak](https://appshunter.io/developer/1570664017) | [Coolblack GmbH](https://appshunter.io/developer/1881931332) |

## What reviewers say

### BT

[App page](https://appshunter.io/ios/app/bt-2-simulator/id1615566654)

Experience a flight simulator where you can destroy enemy vehicles and defend territory. Learn about the Bayraktar TB2's features and track your accomplishments in destroying targets. A portion of proceeds from this app goes to supporting Ukraine.

**Highlights:** Flight simulation gameplay, Destroy enemy vehicles, Learn about Bayraktar TB2, Track destroyed vehicles, Support Ukraine

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

**In-app purchases:** none


### ABYSS  Deep Light

[App page](https://appshunter.io/ios/app/abyss-deep-light/id6784699309)

**In-app purchases:** none


## Frequently asked questions

### Is BT free?

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

### Is ABYSS  Deep Light free?

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

### Do BT or ABYSS  Deep Light have ads?

BT shows ads; ABYSS  Deep Light does not.

### Which is updated more often, BT or ABYSS  Deep Light?

BT ships an update every 10 days, and ABYSS  Deep Light every 3 weeks. Most recently, BT was updated on October 9, 2026 and ABYSS  Deep Light on October 8, 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.*