# SMAC Tempo vs STERNA SELYEK

The clearest difference is update cadence: STERNA SELYEK at monthly against SMAC Tempo's every 2 months. 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.

SMAC Tempo ships an update every 2 months, STERNA SELYEK monthly. Both last shipped on October 25, 2026.

## The numbers

| Metric | SMAC Tempo | STERNA SELYEK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 59 MB | 57 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [SMAC Technologies Ltd](https://appshunter.io/developer/1712896949) | [Sterna Security Devices Private Limited](https://appshunter.io/developer/1751436158) |

## What reviewers say

### SMAC Tempo

[App page](https://appshunter.io/ios/app/smac-tempo/id6470040451)

**Features:** macOS Compatibility

**In-app purchases:** none


### STERNA SELYEK

[App page](https://appshunter.io/ios/app/sterna-selyek/id6504219739)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SMAC Tempo free?

SMAC Tempo is free to download, with no in-app purchases.

### Is STERNA SELYEK free?

STERNA SELYEK is free to download, with no in-app purchases.

### Do SMAC Tempo or STERNA SELYEK have ads?

Neither SMAC Tempo nor STERNA SELYEK shows ads.

### Which is updated more often, SMAC Tempo or STERNA SELYEK?

SMAC Tempo ships an update every 2 months, and STERNA SELYEK monthly. Most recently, SMAC Tempo was updated on October 25, 2026 and STERNA SELYEK on October 25, 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.*