# Simul'Impôt vs Heelio Decode

The clearest difference is update cadence: Heelio Decode at every 5 days against Simul'Impôt's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Simul'Impôt ships an update every 7 months, Heelio Decode every 5 days. The most recent releases landed on September 29, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Simul'Impôt | Heelio Decode |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simulimpot/id440200931/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 17 MB | 6 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Patrick BODET](https://appshunter.io/developer/440200934) | [Heelio](https://appshunter.io/developer/6772327245) |

## What reviewers say

### Simul'Impôt

[App page](https://appshunter.io/ios/app/simulimpot/id440200931)

Estimate your income tax based on last year's earnings. Supports various income types, including salaries, independent work, savings, and real estate. Includes tax reductions and credits, with iCloud backup for simulations and fiscal news updates.

**Highlights:** Income tax estimation, Supports multiple income sources, Calculates tax reductions/credits, iCloud Drive backup, Fiscal news reader, Push notifications for updates

**Features:** macOS Compatibility

**In-app purchases:** none


### Heelio Decode

[App page](https://appshunter.io/ios/app/heelio-decode-analyse-pme/id6772327243)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simul'Impôt free?

Simul'Impôt is free to download, with no in-app purchases.

### Is Heelio Decode free?

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

### Do Simul'Impôt or Heelio Decode have ads?

Neither Simul'Impôt nor Heelio Decode shows ads.

### Which is updated more often, Simul'Impôt or Heelio Decode?

Simul'Impôt ships an update every 7 months, and Heelio Decode every 5 days. Most recently, Simul'Impôt was updated on September 29, 2026 and Heelio Decode 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.*