# Notivera vs simos.app

The clearest difference is in-app purchases: Notivera at none against simos.app's 3. Notivera also leads on device support (3 vs 1) and iOS requirement (14.0 vs 17.6). simos.app's advantage is update cadence (every 6 days vs every 2 months). On price and ads there is nothing between them.

Both are free to download. simos.app sells 3 one-off in-app purchases. Notivera asks for nothing beyond the download.

Notivera ships an update every 2 months, simos.app every 6 days. The most recent releases landed on October 17, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Notivera | simos.app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/simosapp/id6760018423/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | — | Free |
| Size | 71 MB | 6 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Notivera](https://appshunter.io/developer/1836037304) | [Tycho Sebastian Holzer](https://appshunter.io/developer/1882338941) |

## What reviewers say

### Notivera

[App page](https://appshunter.io/ios/app/notivera/id6754453977)

**In-app purchases:** none


### simos.app

[App page](https://appshunter.io/ios/app/simosapp/id6760018423)

This tool provides diagnostic, data logging, and flashing capabilities for VAG petrol engines with specific Simos ECUs. Monitor real-time engine parameters, analyze recorded sessions with graphs, and update your ECU with stock or custom tunes.

**Highlights:** Real-time ECU parameter monitoring, Live data logging via Bluetooth LE, ECU identification (software/calibration IDs), Multi-channel graph analysis of logged sessions, ECU and TCU flashing (stock and custom tunes), Support for Simos 18.x and 12.1 ECUs

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| App VIN Unlock | $17.99 | one-time |
| Wizard: Pops & Bangs - Single Bin | $17.99 | one-time |
| Stage 1 Bin | $179.99 | one-time |


## Frequently asked questions

### Is Notivera free?

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

### Is simos.app free?

simos.app is free to download, with in-app purchases available.

### Do Notivera or simos.app have ads?

Neither Notivera nor simos.app shows ads.

### Which is updated more often, Notivera or simos.app?

Notivera ships an update every 2 months, and simos.app every 6 days. Most recently, Notivera was updated on October 17, 2026 and simos.app on October 18, 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.*