# InnerSync. vs NaastenApp Altrecht

InnerSync. and NaastenApp Altrecht 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.

InnerSync. ships an update every 2 months, NaastenApp Altrecht every 3 months. Both last shipped on October 28, 2026.

## The numbers

| Metric | InnerSync. | NaastenApp Altrecht |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 37 MB | 57 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AGS SRL](https://appshunter.io/developer/1794260555) | [Stichting Altrecht](https://appshunter.io/developer/1825854786) |

## What reviewers say

### InnerSync.

[App page](https://appshunter.io/ios/app/innersync/id6743806040)

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

**In-app purchases:** none


### NaastenApp Altrecht

[App page](https://appshunter.io/ios/app/naastenapp-altrecht/id6748456496)

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

**In-app purchases:** none


## Frequently asked questions

### Is InnerSync. free?

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

### Is NaastenApp Altrecht free?

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

### Do InnerSync. or NaastenApp Altrecht have ads?

Neither InnerSync. nor NaastenApp Altrecht shows ads.

### Which is updated more often, InnerSync. or NaastenApp Altrecht?

InnerSync. ships an update every 2 months, and NaastenApp Altrecht every 3 months. Most recently, InnerSync. was updated on October 28, 2026 and NaastenApp Altrecht on October 28, 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.*