# EvaSmartCylinder vs Smart Tanks

The clearest difference is update cadence: Smart Tanks at weekly against EvaSmartCylinder's every 20 months. Smart Tanks also leads on iOS requirement (11.0 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.

EvaSmartCylinder ships an update every 20 months, Smart Tanks weekly. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | EvaSmartCylinder | Smart Tanks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Weekly** |
| Size | 44 MB | 31 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [ASİS OTOMASYON A.Ş.](https://appshunter.io/developer/1225858146) | [Thincke Electronic Technology Co., Ltd.](https://appshunter.io/developer/1681561680) |

## What reviewers say

### EvaSmartCylinder

[App page](https://appshunter.io/ios/app/evasmartcylinder/id1591174195)

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

**In-app purchases:** none


### Smart Tanks

[App page](https://appshunter.io/ios/app/smart-tanks/id6447514592)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EvaSmartCylinder free?

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

### Is Smart Tanks free?

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

### Do EvaSmartCylinder or Smart Tanks have ads?

Neither EvaSmartCylinder nor Smart Tanks shows ads.

### Which is updated more often, EvaSmartCylinder or Smart Tanks?

EvaSmartCylinder ships an update every 20 months, and Smart Tanks weekly. Most recently, EvaSmartCylinder was updated on November 3, 2026 and Smart Tanks on October 25, 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.*