# HydroPing vs SixDo

The clearest difference is in-app purchases: HydroPing at none against SixDo's 1. SixDo's advantage is iOS requirement (16.0 vs 26.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SixDo sells 1 one-off in-app purchase. HydroPing asks for nothing beyond the download.

HydroPing ships an update every 3 weeks, SixDo every 4 weeks. The most recent releases landed on October 30, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | HydroPing | SixDo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/hydroping/id6757090997/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | Free | — |
| Size | 31 MB | 32 MB |
| Requires iOS | 26.1 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Eris Verne](https://appshunter.io/developer/1824870697) | [mami hara](https://appshunter.io/developer/6792413290) |

## What reviewers say

### HydroPing

[App page](https://appshunter.io/ios/app/hydroping/id6757090997)

This app works with smart plant implants to prevent over and under-watering. It uses AI to provide real-time guidance for optimal soil conditions and monitors plant health. Manage multiple plants, devices, and orders with ease.

**Highlights:** AI-powered plant care guidance, Real-time soil condition monitoring, Manage 50+ plants, Device activation and deactivation, Order and invoice management, Troubleshoot device connectivity

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### SixDo

[App page](https://appshunter.io/ios/app/sixdo-ivy-lee-method-to-do/id6797027631)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SixDo Pro | $3.99 | one-time |


## Frequently asked questions

### Is HydroPing free?

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

### Is SixDo free?

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

### Do HydroPing or SixDo have ads?

Neither HydroPing nor SixDo shows ads.

### Which is updated more often, HydroPing or SixDo?

HydroPing ships an update every 3 weeks, and SixDo every 4 weeks. Most recently, HydroPing was updated on October 30, 2026 and SixDo on November 10, 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.*