# Orenda vs Inventry

Orenda and Inventry both sit at 4.7 stars, but that hides the real split: 82% of Orenda's written reviews are positive against 0% of Inventry's. Orenda also leads on in-app purchases (none vs 4) and ads (none vs shown). Inventry's advantage is update cadence (every 5 days vs monthly). On price, rating, device support and iOS requirement there is nothing between them.

Both are free to download. Inventry sells 4 in-app purchases, starting at $5.99 per month. Orenda asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Orenda against 4.6 for Inventry. That said, the two scores are not equally well evidenced: Orenda has 478 ratings behind it against 8, so its average is the more settled of the two. Written reviews are what separate them: 82% of Orenda's written reviews are positive against 0% of Inventry's.

Orenda ships an update monthly, Inventry every 5 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Orenda | Inventry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (478 ratings)](https://appshunter.io/ios/app/orenda/id1171005221/reviews)** | [4.6 (8 ratings)](https://appshunter.io/ios/app/inventry-collection-tracker/id6757611497/reviews) |
| Number of ratings | **478** | 8 |
| Positive reviews | **81.8% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Size | 78 MB | 50 MB |
| Requires iOS | **15.0** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hasa Inc.](https://appshunter.io/developer/1713193810) | [Brewer's Friend](https://appshunter.io/developer/572440902) |

## What reviewers say

### Orenda

[App page](https://appshunter.io/ios/app/orenda/id1171005221)

This app helps you master pool chemistry by accurately calculating chemical dosages and balancing water based on the LSI. It offers a user-friendly experience for both novices and professionals, including a volume estimator and educational videos.

**Highlights:** Chemical dosing calculator, LSI water balancing, Pool volume estimator, User-friendly interface, Educational videos

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 💡 Helpful for pool maintenance
- 🚀 Simplifies pool chemistry
- 👍 Provides valuable information
- 👍 Great educational resources

**What reviewers complain about**

- 🐛 Issues with updating desired levels
- 🐛 Metric system not working properly
- 🐛 Difficult to input readings
- 🐛 Lack of history/logging functionality

**Reported bugs**

- Desired levels changing when inputting current values
- Metric system not functioning as expected
- Slider feature for inputting readings is slow and frustrating
- App not optimized for all iPhone screen sizes

**Requested features**

- Ability to save pool volume and desired levels
- Option to log pool history and track trends
- Integration with pool chemical monitors
- Ability to set custom chemical concentrations
- Support for more languages (e.g., Chinese)


### Inventry

[App page](https://appshunter.io/ios/app/inventry-collection-tracker/id6757611497)

Securely catalog your valuable collections with AI-powered identification and zero-knowledge encryption. Generate insurance-ready reports, track worth, and manage sales. Works offline and supports family sharing.

**Highlights:** AI-powered item identification, Zero-knowledge encryption for privacy, Insurance-ready PDF reports, Collection valuation tracking, Bulk scanning for cards and coins, Family sharing with access control, Offline access and automatic syncing

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Inventry Plus Monthly | $5.99 | per month |
| Inventry Pro Monthly | $9.99 | per month |
| Inventry Plus Annual | $35.99 | per year |
| Inventry Pro Annual | $71.99 | per year |


## Frequently asked questions

### Is Orenda free?

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

### Is Inventry free?

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

### Which has better reviews, Orenda or Inventry?

Orenda is rated higher. Orenda averages 4.7 out of 5 from 478 ratings, while Inventry averages 4.6 from 8 ratings.

### Do Orenda or Inventry have ads?

Inventry shows ads; Orenda does not.

### Which is updated more often, Orenda or Inventry?

Orenda ships an update monthly, and Inventry every 5 days. Most recently, Orenda was updated on October 26, 2026 and Inventry 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.*