# Ön Muhasebe Programı vs Storm Factory

The clearest difference is update cadence: Storm Factory at fortnightly against Ön Muhasebe Programı's every 14 months. Ön Muhasebe Programı's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ön Muhasebe Programı ships an update every 14 months, Storm Factory fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Ön Muhasebe Programı | Storm Factory |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 12 MB | 95 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [BACKHUB YAZILIM BILGI TEKNOLOJILERI ANONIM SIRKETI](https://appshunter.io/developer/1307253547) | [Storm Software](https://appshunter.io/developer/1842188476) |

## What reviewers say

### Ön Muhasebe Programı

[App page](https://appshunter.io/ios/app/on-muhasebe-program/id1594398711)

Manage your business's accounting professionally from your phone or web. Send instant quotes and statements to clients, and integrate with e-invoicing services. Receive online payments and track bank transactions seamlessly.

**Highlights:** Professional accounting management, Instant quote and statement sending, E-invoice, E-archive, E-waybill integration, Online payment processing, Bank account integration, SMS sending with business name

**Features:** macOS Compatibility

**In-app purchases:** none


### Storm Factory

[App page](https://appshunter.io/ios/app/storm-factory/id6757101485)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ön Muhasebe Programı free?

Ön Muhasebe Programı is free to download, with no in-app purchases.

### Is Storm Factory free?

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

### Do Ön Muhasebe Programı or Storm Factory have ads?

Neither Ön Muhasebe Programı nor Storm Factory shows ads.

### Which is updated more often, Ön Muhasebe Programı or Storm Factory?

Ön Muhasebe Programı ships an update every 14 months, and Storm Factory fortnightly. Most recently, Ön Muhasebe Programı was updated on October 24, 2026 and Storm Factory 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.*