# TANKR vs 7 Sky Spa

The clearest difference is update cadence: TANKR at every 2 months against 7 Sky Spa's every 40 months. 7 Sky Spa's advantage is iOS requirement (13.0 vs 15.0). 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.

TANKR ships an update every 2 months, 7 Sky Spa every 40 months. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | TANKR | 7 Sky Spa |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 40 months |
| Size | 17 MB | 49 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tankr AG](https://appshunter.io/developer/1675846379) | [7 Sky Spa](https://appshunter.io/developer/1687630271) |

## What reviewers say

### TANKR

[App page](https://appshunter.io/ios/app/tankr/id6446085689)

**Features:** Vision Pro support

**In-app purchases:** none


### 7 Sky Spa

[App page](https://appshunter.io/ios/app/7-sky-spa/id6449082294)

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

**In-app purchases:** none


## Frequently asked questions

### Is TANKR free?

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

### Is 7 Sky Spa free?

7 Sky Spa is free to download, with no in-app purchases.

### Do TANKR or 7 Sky Spa have ads?

Neither TANKR nor 7 Sky Spa shows ads.

### Which is updated more often, TANKR or 7 Sky Spa?

TANKR ships an update every 2 months, and 7 Sky Spa every 40 months. Most recently, TANKR was updated on October 25, 2026 and 7 Sky Spa on October 7, 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.*