# STRATA AID vs Sergo

The clearest difference is update cadence: STRATA AID at every 5 days against Sergo's every 3 weeks. STRATA AID also leads on iOS requirement (13.4 vs 17.0). 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.

STRATA AID ships an update every 5 days, Sergo every 3 weeks. The most recent releases landed on September 14, 2026 and July 22, 2026 respectively.

## The numbers

| Metric | STRATA AID | Sergo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Size | 59 MB | 38 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Prorank Pty Ltd](https://appshunter.io/developer/1637411918) | [Goodstays Limited](https://appshunter.io/developer/1597190850) |

## What reviewers say

### STRATA AID

[App page](https://appshunter.io/ios/app/strata-aid/id6449736995)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Sergo

[App page](https://appshunter.io/ios/app/sergo/id6450947148)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is STRATA AID free?

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

### Is Sergo free?

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

### Do STRATA AID or Sergo have ads?

Neither STRATA AID nor Sergo shows ads.

### Which is updated more often, STRATA AID or Sergo?

STRATA AID ships an update every 5 days, and Sergo every 3 weeks. Most recently, STRATA AID was updated on September 14, 2026 and Sergo on July 22, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*