# TridentAir vs ESE+

The clearest difference is ads: TridentAir at none against ESE+'s shown. ESE+'s advantage is update cadence (every 10 days vs every 9 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.

TridentAir ships an update every 9 months, ESE+ every 10 days. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | TridentAir | ESE+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 10 days** |
| Size | 209 MB | 144 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Plasma Science Pte Ltd](https://appshunter.io/developer/1777750858) | [Electri-Securities Engineering Pte Ltd](https://appshunter.io/developer/1876318743) |

## What reviewers say

### TridentAir

[App page](https://appshunter.io/ios/app/tridentair/id6737752945)

**Features:** macOS Compatibility

**In-app purchases:** none


### ESE+

[App page](https://appshunter.io/ios/app/ese-plus/id6759006624)

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

**In-app purchases:** none


## Frequently asked questions

### Is TridentAir free?

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

### Is ESE+ free?

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

### Do TridentAir or ESE+ have ads?

ESE+ shows ads; TridentAir does not.

### Which is updated more often, TridentAir or ESE+?

TridentAir ships an update every 9 months, and ESE+ every 10 days. Most recently, TridentAir was updated on October 6, 2026 and ESE+ on October 12, 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.*