# Aergia vs IVOI Lock

The clearest difference is in-app purchases: IVOI Lock at none against Aergia's 4. IVOI Lock also leads on iOS requirement (15.6 vs 18.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Aergia sells 4 in-app purchases, starting at $2.99 per 7 days. IVOI Lock asks for nothing beyond the download.

Aergia ships an update every 3 weeks, IVOI Lock monthly. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Aergia | IVOI Lock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 8 MB | 39 MB |
| Requires iOS | 18.1 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Vladimir Kurganov](https://appshunter.io/developer/1840833844) | [IVOI TECHNOLOGY AND COMMUNICATION INVESTMENT JOINT STOCK COMPANY](https://appshunter.io/developer/6778327287) |

## What reviewers say

### Aergia

[App page](https://appshunter.io/ios/app/aergia-screen-time-control/id6758281335)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aergia Premium Weekly | $2.99 | per 7 days |
| Aergia Premium Monthly | $3.99 | per month |
| Aergia Premium Annual Special Offer | $24.99 | per year |
| Aergia Premium Annual | $34.99 | per year |


### IVOI Lock

[App page](https://appshunter.io/ios/app/ivoi-lock/id6789538990)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Aergia free?

Aergia is free to download, with in-app purchases available.

### Is IVOI Lock free?

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

### Do Aergia or IVOI Lock have ads?

Neither Aergia nor IVOI Lock shows ads.

### Which is updated more often, Aergia or IVOI Lock?

Aergia ships an update every 3 weeks, and IVOI Lock monthly. Most recently, Aergia was updated on October 19, 2026 and IVOI Lock on October 24, 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.*