# Détégo vs OPSIS

The clearest difference is update cadence: Détégo at every 3 weeks against OPSIS's every 18 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.

Détégo ships an update every 3 weeks, OPSIS every 18 months. The most recent releases landed on October 30, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Détégo | OPSIS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 18 months |
| Size | 27 MB | 56 MB |
| Requires iOS | **12.0** | 12.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 12+ |
| Developer | [Arinsight](https://appshunter.io/developer/1100901396) | [HDP Interactive](https://appshunter.io/developer/1604384572) |

## What reviewers say

### Détégo

[App page](https://appshunter.io/ios/app/detego/id1561912710)

**In-app purchases:** none


### OPSIS

[App page](https://appshunter.io/ios/app/opsis/id1604384570)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Détégo free?

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

### Is OPSIS free?

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

### Do Détégo or OPSIS have ads?

Neither Détégo nor OPSIS shows ads.

### Which is updated more often, Détégo or OPSIS?

Détégo ships an update every 3 weeks, and OPSIS every 18 months. Most recently, Détégo was updated on October 30, 2026 and OPSIS on September 30, 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.*