# SIRIS vs Heeze

SIRIS and Heeze 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.

SIRIS ships an update monthly, Heeze every 4 weeks. The most recent releases landed on September 11, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | SIRIS | Heeze |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 weeks** |
| Size | 23 MB | 53 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stichting Omroep Asten Someren](https://appshunter.io/developer/1478624285) | [tableaux](https://appshunter.io/developer/459428186) |

## What reviewers say

### SIRIS

[App page](https://appshunter.io/ios/app/siris/id1478624286)

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

**In-app purchases:** none


### Heeze

[App page](https://appshunter.io/ios/app/heeze-leende24/id1510531447)

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

**In-app purchases:** none


## Frequently asked questions

### Is SIRIS free?

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

### Is Heeze free?

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

### Do SIRIS or Heeze have ads?

Neither SIRIS nor Heeze shows ads.

### Which is updated more often, SIRIS or Heeze?

SIRIS ships an update monthly, and Heeze every 4 weeks. Most recently, SIRIS was updated on September 11, 2026 and Heeze on August 26, 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.*