# Aergia vs shells screen time controls

Aergia and shells screen time controls 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. Aergia sells 4 in-app purchases, starting at $2.99 per 7 days and shells screen time controls sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 19, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Aergia | shells screen time controls |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 8 MB | 99 MB |
| Requires iOS | 18.1 | **18.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Vladimir Kurganov](https://appshunter.io/developer/1840833844) | [Andi Yao](https://appshunter.io/developer/1887084939) |

## 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 |


### shells screen time controls

[App page](https://appshunter.io/ios/app/shells-screen-time-controls/id6760968999)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Pro Annual | $29.99 | per year |
| Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Aergia free?

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

### Is shells screen time controls free?

shells screen time controls is free to download, with in-app purchases available.

### Do Aergia or shells screen time controls have ads?

Neither Aergia nor shells screen time controls shows ads.

### Which is updated more often, Aergia or shells screen time controls?

Aergia ships an update every 3 weeks, and shells screen time controls every 3 weeks. Most recently, Aergia was updated on October 19, 2026 and shells screen time controls on October 25, 2026.

---

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