# X1 Pump vs HYDROS App

The clearest difference is rating: HYDROS App at 4.1 against X1 Pump's 2.4. HYDROS App also leads on review sentiment (64% vs 28%). X1 Pump's advantage is update cadence (every 6 weeks vs every 3 months) and iOS requirement (9.0 vs 15.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HYDROS App holds the better App Store score, 4.1 against 2.4. Both are backed by a comparable volume of ratings — 20 and 17 respectively. Written reviews point the same way: 28% of X1 Pump's written reviews are positive against 64% of HYDROS App's.

X1 Pump ships an update every 6 weeks, HYDROS App every 3 months. The most recent releases landed on September 21, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | X1 Pump | HYDROS App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (20 ratings)](https://appshunter.io/ios/app/x1-pump/id1400671862/reviews) | **[4.1 (17 ratings)](https://appshunter.io/ios/app/hydros-app/id1455344294/reviews)** |
| Number of ratings | **20** | 17 |
| Positive reviews | 27.6% of reviews | **63.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 21 MB | 69 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kamoer Fluild Tech (shanghai) Co., Ltd.](https://appshunter.io/developer/1080922922) | [CV Industries LLC](https://appshunter.io/developer/1455344293) |

## What reviewers say

### X1 Pump

[App page](https://appshunter.io/ios/app/x1-pump/id1400671862)

Control a Bluetooth-enabled titration pump for manual or scheduled dosing. Set up regular titration plans based on days or weeks for automated liquid dispensing.

**Highlights:** Bluetooth pump control, Manual titration, Scheduled titration plans, Cycle titration by days, Weekly titration setup

**Features:** macOS Compatibility

**In-app purchases:** none


### HYDROS App

[App page](https://appshunter.io/ios/app/hydros-app/id1455344294)

Easily monitor and control your aquarium's vital parameters like temperature, pH, and salinity. Manage all your connected devices, including ATOs, lights, and pumps, with a user-friendly interface. Quick setup with preset configurations means no coding is required to get your system running.

**Highlights:** Monitor temperature, ORP, pH, salinity, Control ATO, lights, heaters, pumps, User-friendly interface, Quick setup with presets, Manage multiple devices and aquariums, Set schedules and create modes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is X1 Pump free?

X1 Pump is free to download, with no in-app purchases.

### Is HYDROS App free?

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

### Which has better reviews, X1 Pump or HYDROS App?

HYDROS App is rated higher. X1 Pump averages 2.4 out of 5 from 20 ratings, while HYDROS App averages 4.1 from 17 ratings.

### Do X1 Pump or HYDROS App have ads?

Neither X1 Pump nor HYDROS App shows ads.

### Which is updated more often, X1 Pump or HYDROS App?

X1 Pump ships an update every 6 weeks, and HYDROS App every 3 months. Most recently, X1 Pump was updated on September 21, 2026 and HYDROS App on September 16, 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.*