# ESP SMART 2K vs Iron Overload

The clearest difference is update cadence: Iron Overload at fortnightly against ESP SMART 2K's every 13 months. ESP SMART 2K's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.

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

ESP SMART 2K ships an update every 13 months, Iron Overload fortnightly. The most recent releases landed on September 10, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | ESP SMART 2K | Iron Overload |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Fortnightly** |
| Size | 101 MB | 3 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Elite Security Products (ESP)](https://appshunter.io/developer/1154395285) | [Andrew D'Angelo](https://appshunter.io/developer/1873323070) |

## What reviewers say

### ESP SMART 2K

[App page](https://appshunter.io/ios/app/esp-smart-2k/id1583690373)

**In-app purchases:** none


### Iron Overload

[App page](https://appshunter.io/ios/app/iron-overload/id6758521459)

**In-app purchases:** none


## Frequently asked questions

### Is ESP SMART 2K free?

ESP SMART 2K is free to download, with no in-app purchases.

### Is Iron Overload free?

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

### Do ESP SMART 2K or Iron Overload have ads?

Neither ESP SMART 2K nor Iron Overload shows ads.

### Which is updated more often, ESP SMART 2K or Iron Overload?

ESP SMART 2K ships an update every 13 months, and Iron Overload fortnightly. Most recently, ESP SMART 2K was updated on September 10, 2026 and Iron Overload on September 15, 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.*