# QwikSpec vs SimTanka

The clearest difference is in-app purchases: QwikSpec at none against SimTanka's 3. QwikSpec also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

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

QwikSpec ships an update every 3 weeks, SimTanka every 2 weeks. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | QwikSpec | SimTanka |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 59 MB | 3 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Xlsys Technologies](https://appshunter.io/developer/1453360876) | [Vikram Vyas](https://appshunter.io/developer/1677119919) |

## What reviewers say

### QwikSpec

[App page](https://appshunter.io/ios/app/qwikspec/id1453360877)

**Features:** Vision Pro support

**In-app purchases:** none


### SimTanka

[App page](https://appshunter.io/ios/app/simtanka/id6446281690)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support SimTanka | $0.99 | one-time |
| Voluntary Contribution | $9.99 | one-time |
| Voluntary Contribution | $99.99 | one-time |


## Frequently asked questions

### Is QwikSpec free?

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

### Is SimTanka free?

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

### Do QwikSpec or SimTanka have ads?

Neither QwikSpec nor SimTanka shows ads.

### Which is updated more often, QwikSpec or SimTanka?

QwikSpec ships an update every 3 weeks, and SimTanka every 2 weeks. Most recently, QwikSpec was updated on October 7, 2026 and SimTanka on October 2, 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.*