# WaterGuru vs InstaViewSafe

The clearest difference is rating: WaterGuru at 4.1 against InstaViewSafe's 3.1. WaterGuru also leads on review sentiment (74% vs 33%) and in-app purchases (none vs 2). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. InstaViewSafe sells 2 one-off in-app purchases. WaterGuru asks for nothing beyond the download.

WaterGuru holds the better App Store score, 4.1 against 3.1. That said, the two scores are not equally well evidenced: WaterGuru has 239 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 74% of WaterGuru's written reviews are positive against 33% of InstaViewSafe's.

WaterGuru ships an update every 4 weeks, InstaViewSafe every 2 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | WaterGuru | InstaViewSafe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (239 ratings)](https://appshunter.io/ios/app/waterguru/id1372295527/reviews)** | [3.1 (7 ratings)](https://appshunter.io/ios/app/instaviewsafe/id1487575883/reviews) |
| Number of ratings | **239** | 7 |
| Positive reviews | **73.8% of reviews** | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 155 MB | 103 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [WaterGuru, Inc](https://appshunter.io/developer/1153080819) | [Wireless input Inc.](https://appshunter.io/developer/428847647) |

## What reviewers say

### WaterGuru

[App page](https://appshunter.io/ios/app/waterguru/id1372295527)

This app provides comprehensive control over your pool's water chemistry. It helps maintain a safe environment by keeping out harmful contaminants and offers lab-grade analysis and treatment advice for simplified pool management.

**Highlights:** Pool water chemistry control, Harmful virus and bacteria prevention, Lab-grade analysis, Water treatment advice, Simplified pool management

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💰 Money saver
- 🔍 Accurate readings
- 🕰️ Convenient daily monitoring
- 👨‍💻 Excellent customer service
- 🔧 Easy to use

**What reviewers complain about**

- 🐛 Connectivity issues
- 🔋 Battery drain
- 🤖 Inaccurate readings for some parameters
- 💸 Expensive cartridges
- 🤷‍♂️ Unreliable device

**Reported bugs**

- App notifications not working properly
- Inability to upload pool photos
- Inconsistent app performance after updates

**Requested features**

- Ability to set custom testing schedule
- Measure salt levels
- Provide more advice on adjusting water chemistry
- Add hourly temperature readings


### InstaViewSafe

[App page](https://appshunter.io/ios/app/instaviewsafe/id1487575883)

This application connects to a specific video doorbell or home security system. It allows users to interact with their installed security hardware. A hardware purchase is required to use the app's features.

**Highlights:** Connects to InstaviewSafe hardware, Video doorbell integration, Home security system control, Remote access to security features

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Half a year member | $20.99 | one-time |
| One year membership. | $40.99 | one-time |


## Frequently asked questions

### Is WaterGuru free?

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

### Is InstaViewSafe free?

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

### Which has better reviews, WaterGuru or InstaViewSafe?

WaterGuru is rated higher. WaterGuru averages 4.1 out of 5 from 239 ratings, while InstaViewSafe averages 3.1 from 7 ratings.

### Do WaterGuru or InstaViewSafe have ads?

Neither WaterGuru nor InstaViewSafe shows ads.

### Which is updated more often, WaterGuru or InstaViewSafe?

WaterGuru ships an update every 4 weeks, and InstaViewSafe every 2 weeks. Most recently, WaterGuru was updated on October 25, 2026 and InstaViewSafe on October 24, 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.*