# KleverKey Classic vs Syphere Lockerbox

The clearest difference is update cadence: KleverKey Classic at every 5 weeks against Syphere Lockerbox's every 5 months. KleverKey Classic also leads on iOS requirement (10.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

KleverKey Classic ships an update every 5 weeks, Syphere Lockerbox every 5 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | KleverKey Classic | Syphere Lockerbox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 5 months |
| Size | 64 MB | 18 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Swissprime Technologies AG](https://appshunter.io/developer/473620417) | [Synomics AG](https://appshunter.io/developer/1567606596) |

## What reviewers say

### KleverKey Classic

[App page](https://appshunter.io/ios/app/kleverkey-classic/id1010592750)

**Features:** macOS Compatibility

**In-app purchases:** none


### Syphere Lockerbox

[App page](https://appshunter.io/ios/app/syphere-lockerbox/id1576931346)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KleverKey Classic free?

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

### Is Syphere Lockerbox free?

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

### Do KleverKey Classic or Syphere Lockerbox have ads?

Neither KleverKey Classic nor Syphere Lockerbox shows ads.

### Which is updated more often, KleverKey Classic or Syphere Lockerbox?

KleverKey Classic ships an update every 5 weeks, and Syphere Lockerbox every 5 months. Most recently, KleverKey Classic was updated on October 26, 2026 and Syphere Lockerbox on October 27, 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.*