# Navisizer vs RackReelAI

The clearest difference is review sentiment: RackReelAI at 100% against Navisizer's 13%. RackReelAI also leads on rating (5.0 vs 2.4) and iOS requirement (15.0 vs 17.2). Navisizer's advantage is in-app purchases (none vs 4) and ratings volume (26 vs 3). On price, ads and device support there is nothing between them.

Both are free to download. RackReelAI sells 4 one-off in-app purchases. Navisizer asks for nothing beyond the download.

RackReelAI holds the better App Store score, 5.0 against 2.4. That said, the two scores are not equally well evidenced: Navisizer has 26 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 13% of Navisizer's written reviews are positive against 100% of RackReelAI's.

## The numbers

| Metric | Navisizer | RackReelAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (26 ratings)](https://appshunter.io/ios/app/navisizer/id1327385997/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/rackreelai/id6799480313/reviews)** |
| Number of ratings | **26** | 3 |
| Positive reviews | 12.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | **Free** | Free with in-app purchases |
| Size | 21 MB | 100 MB |
| Requires iOS | 17.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Navien](https://appshunter.io/developer/1327385996) | [RackReelAI LLC](https://appshunter.io/developer/6799480315) |

## What reviewers say

### Navisizer

[App page](https://appshunter.io/ios/app/navisizer/id1327385997)

This app helps size domestic hot water heating systems for residential and commercial use. It calculates operating costs, savings, and generates comprehensive job specifications for Navien NPE Series tankless water heaters.

**Highlights:** Residential system sizing, Operating cost and savings calculation, Commercial application sizing (ASHRAE Hunter Curve), Tankless and tankless with storage solutions, Comprehensive job specification output, Save, print, or email system specs

**Features:** macOS Compatibility

**In-app purchases:** none


### RackReelAI

[App page](https://appshunter.io/ios/app/rackreelai/id6799480313)

Instantly analyze outdoor photos with AI to organize trail camera captures and enhance tracking. Offers a free initial photo processing limit, with additional credits available for purchase.

**Highlights:** AI photo analysis, Trail camera capture organization, Outdoor tracking enhancement, Free initial photo processing, In-app credit purchases

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard Plan | $19.99 | one-time |
| Pro Plan | $39.99 | one-time |
| Ultra Plan | $59.99 | one-time |
| Elite Plan | $99.99 | one-time |


## Frequently asked questions

### Is Navisizer free?

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

### Is RackReelAI free?

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

### Which has better reviews, Navisizer or RackReelAI?

RackReelAI is rated higher. Navisizer averages 2.4 out of 5 from 26 ratings, while RackReelAI averages 5.0 from 3 ratings.

### Do Navisizer or RackReelAI have ads?

Neither Navisizer nor RackReelAI shows ads.

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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.*