# Security Concepts vs Lens

The clearest difference is in-app purchases: Security Concepts at none against Lens's 5. Security Concepts also leads on iOS requirement (11.0 vs 16.0). Lens's advantage is update cadence (every 3 months vs every 11 months). On price, ads and device support there is nothing between them.

Both are free to download. Lens sells 5 in-app purchases, starting at $4.99 per 7 days. Security Concepts asks for nothing beyond the download.

Security Concepts ships an update every 11 months, Lens every 3 months. The most recent releases landed on September 27, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Security Concepts | Lens |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 months** |
| Size | 67 MB | 33 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Golden M Inc.](https://appshunter.io/developer/1343492992) | [WTF STREET CART LLC](https://appshunter.io/developer/1850467174) |

## What reviewers say

### Security Concepts

[App page](https://appshunter.io/ios/app/security-concepts/id1044357070)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lens

[App page](https://appshunter.io/ios/app/lens-reverse-image-search-plus/id6758434089)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly-Trial | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Security Concepts free?

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

### Is Lens free?

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

### Do Security Concepts or Lens have ads?

Neither Security Concepts nor Lens shows ads.

### Which is updated more often, Security Concepts or Lens?

Security Concepts ships an update every 11 months, and Lens every 3 months. Most recently, Security Concepts was updated on September 27, 2026 and Lens on October 4, 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.*