# appTopan vs Steren AEON

appTopan and Steren AEON 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.

appTopan ships an update every 2 weeks, Steren AEON fortnightly. The most recent releases landed on September 30, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | appTopan | Steren AEON |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 55 MB | 173 MB |
| Requires iOS | 14.0.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Erik Tovar](https://appshunter.io/developer/1718334043) | [Electronica Steren SA de CV](https://appshunter.io/developer/592791376) |

## What reviewers say

### appTopan

[App page](https://appshunter.io/ios/app/apptopan/id6747365272)

**Features:** macOS Compatibility

**In-app purchases:** none


### Steren AEON

[App page](https://appshunter.io/ios/app/steren-aeon/id6748423892)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is appTopan free?

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

### Is Steren AEON free?

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

### Do appTopan or Steren AEON have ads?

Neither appTopan nor Steren AEON shows ads.

### Which is updated more often, appTopan or Steren AEON?

appTopan ships an update every 2 weeks, and Steren AEON fortnightly. Most recently, appTopan was updated on September 30, 2026 and Steren AEON on October 13, 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.*