# iparnassus vs AK Sensors

The clearest difference is update cadence: iparnassus at every 3 weeks against AK Sensors's every 18 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.

iparnassus ships an update every 3 weeks, AK Sensors every 18 months. The most recent releases landed on October 14, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | iparnassus | AK Sensors |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 18 months |
| Size | 61 MB | 2 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [深圳市帕纳佳世智能泳池设备有限公司](https://appshunter.io/developer/1684170865) | [Dalian Actech Co.,Ltd.](https://appshunter.io/developer/1705524710) |

## What reviewers say

### iparnassus

[App page](https://appshunter.io/ios/app/iparnassus/id6459793909)

**Features:** macOS Compatibility

**In-app purchases:** none


### AK Sensors

[App page](https://appshunter.io/ios/app/ak-sensors/id6473148911)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iparnassus free?

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

### Is AK Sensors free?

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

### Do iparnassus or AK Sensors have ads?

Neither iparnassus nor AK Sensors shows ads.

### Which is updated more often, iparnassus or AK Sensors?

iparnassus ships an update every 3 weeks, and AK Sensors every 18 months. Most recently, iparnassus was updated on October 14, 2026 and AK Sensors on October 20, 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.*