# Oplon Authenticator vs smark lock

Oplon Authenticator and smark lock are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Oplon Authenticator | smark lock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 months |
| Size | 23 MB | 40 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Oplon Networks srl](https://appshunter.io/developer/1572413219) | [震 王](https://appshunter.io/developer/1734329851) |

## What reviewers say

### Oplon Authenticator

[App page](https://appshunter.io/ios/app/oplon-authenticator/id6450955336)

**Features:** macOS Compatibility

**In-app purchases:** none


### smark lock

[App page](https://appshunter.io/ios/app/smark-lock/id6752854176)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Oplon Authenticator free?

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

### Is smark lock free?

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

### Do Oplon Authenticator or smark lock have ads?

Neither Oplon Authenticator nor smark lock shows ads.

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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.*