# SI vs AID

SI and AID are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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.

SI ships an update every 5 weeks, AID every 3 weeks. The most recent releases landed on September 15, 2026 and August 4, 2026 respectively.

## The numbers

| Metric | SI | AID |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 91 MB | 41 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [STAKHOV GROUP, TOV](https://appshunter.io/developer/1501335251) | [Yuliia Babiichuk](https://appshunter.io/developer/1760535854) |

## What reviewers say

### SI

[App page](https://appshunter.io/ios/app/si-yo-transfer/id6447552164)

**Features:** macOS Compatibility

**In-app purchases:** none


### AID

[App page](https://appshunter.io/ios/app/aid/id6476379754)

This app connects users with on-demand specialists for urgent services at their location. Track your specialist's arrival in real-time and pay online. Professionals can increase income and gain experience.

**Highlights:** On-demand service booking, Real-time specialist tracking, Online payment options, Increased income for specialists, Expanded client base for professionals

**In-app purchases:** none


## Frequently asked questions

### Is SI free?

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

### Is AID free?

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

### Do SI or AID have ads?

Neither SI nor AID shows ads.

### Which is updated more often, SI or AID?

SI ships an update every 5 weeks, and AID every 3 weeks. Most recently, SI was updated on September 15, 2026 and AID on August 4, 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.*