# Charge Security vs NanoSubs

The clearest difference is in-app purchases: Charge Security at none against NanoSubs's 1. Charge Security also leads on iOS requirement (13.0 vs 17.6). NanoSubs's advantage is ads (none vs shown) and update cadence (every 9 days vs every 16 months). On price and device support there is nothing between them.

Both are free to download. NanoSubs sells 1 one-off in-app purchase. Charge Security asks for nothing beyond the download.

Charge Security ships an update every 16 months, NanoSubs every 9 days. The most recent releases landed on September 10, 2026 and August 22, 2026 respectively.

## The numbers

| Metric | Charge Security | NanoSubs |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 16 months | **Every 9 days** |
| Size | 5 MB | 7 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mehmet Bayram](https://appshunter.io/developer/1541281376) | [恒俭 董](https://appshunter.io/developer/947356968) |

## What reviewers say

### Charge Security

[App page](https://appshunter.io/ios/app/charge-security/id1645892741)

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

**In-app purchases:** none


### NanoSubs

[App page](https://appshunter.io/ios/app/nanosubs/id6759703321)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime | $1.99 | one-time |


## Frequently asked questions

### Is Charge Security free?

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

### Is NanoSubs free?

NanoSubs is free to download, with in-app purchases available.

### Do Charge Security or NanoSubs have ads?

Charge Security shows ads; NanoSubs does not.

### Which is updated more often, Charge Security or NanoSubs?

Charge Security ships an update every 16 months, and NanoSubs every 9 days. Most recently, Charge Security was updated on September 10, 2026 and NanoSubs on August 22, 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.*