# Ronos vs Pool Chem Calculator

The clearest difference is rating: Ronos at 5.0 against Pool Chem Calculator's 4.4. Ronos also leads on in-app purchases (none vs 1) and ads (none vs shown). Pool Chem Calculator's advantage is update cadence (weekly vs monthly) and ratings volume (41 vs 4). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Pool Chem Calculator sells 1 in-app purchase, starting at $1.99 per month. Ronos asks for nothing beyond the download.

Ronos holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Pool Chem Calculator has 41 ratings behind it against 4, so its average is the more settled of the two.

Ronos ships an update monthly, Pool Chem Calculator weekly. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Ronos | Pool Chem Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/ronos/id1439827015/reviews)** | [4.4 (41 ratings)](https://appshunter.io/ios/app/pool-chem-calculator/id1453351222/reviews) |
| Number of ratings | 4 | **41** |
| Positive reviews | — | 36.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 16 MB | 118 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Kraferd, Inc](https://appshunter.io/developer/833606952) | [Gunter Business Solutions Inc](https://appshunter.io/developer/1453351221) |

## What reviewers say

### Ronos

[App page](https://appshunter.io/ios/app/ronos/id1439827015)

This app simplifies organizational access by allowing real-time tracking and validation of time and requests. It facilitates employee communication and generates weekly reports, streamlining administrative tasks.

**Highlights:** Track attendance and time off requests, Maintain audit trails, Validate time and requests in real-time, Data collection via tablets, Push information to employees, Run weekly reports

**Features:** macOS Compatibility

**In-app purchases:** none


### Pool Chem Calculator

[App page](https://appshunter.io/ios/app/pool-chem-calculator/id1453351222)

This app helps manage pool chemistry with 24 specialized calculators for dosing, pH, and more. It features a customizable maintenance calendar, equipment tracking, and easy report sharing for up to 100 pools. Ideal for maintaining a clean and swim-ready pool.

**Highlights:** 24 precision pool chemical calculators, Customizable maintenance calendar with notifications, Equipment tracking and management, Multi-user pool sharing, Professional report builder, Smart pool route mapping

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Pool Subscription | $1.99 | per month |


## Frequently asked questions

### Is Ronos free?

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

### Is Pool Chem Calculator free?

Pool Chem Calculator is free to download, with in-app purchases available.

### Which has better reviews, Ronos or Pool Chem Calculator?

Ronos is rated higher. Ronos averages 5.0 out of 5 from 4 ratings, while Pool Chem Calculator averages 4.4 from 41 ratings.

### Do Ronos or Pool Chem Calculator have ads?

Pool Chem Calculator shows ads; Ronos does not.

### Which is updated more often, Ronos or Pool Chem Calculator?

Ronos ships an update monthly, and Pool Chem Calculator weekly. Most recently, Ronos was updated on October 24, 2026 and Pool Chem Calculator on October 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*