# LuckySap vs 3Di Engage Fire App

The clearest difference is in-app purchases: 3Di Engage Fire App at none against LuckySap's 1. 3Di Engage Fire App also leads on update cadence (every 4 months vs every 11 months) and iOS requirement (14.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. LuckySap sells 1 in-app purchase, starting at $29.99 per year. 3Di Engage Fire App asks for nothing beyond the download.

LuckySap ships an update every 11 months, 3Di Engage Fire App every 4 months. The most recent releases landed on November 4, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | LuckySap | 3Di Engage Fire App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/luckysap-maple-syrup-tracker/id6739272045/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 4 months** |
| Monetization | Freemium | — |
| Size | 15 MB | 276 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Stuck at Home, LLC](https://appshunter.io/developer/1506932715) | [3Di Inc.](https://appshunter.io/developer/1304451519) |

## What reviewers say

### LuckySap

[App page](https://appshunter.io/ios/app/luckysap-maple-syrup-tracker/id6739272045)

This app helps maple syrup producers track sap collection, predict future sap flow based on weather, and estimate syrup yield. It provides detailed analytics for individual trees and collection methods, supporting both backyard hobbyists and commercial operations.

**Highlights:** Sap collection logging, Weather-aware sap flow predictions, Syrup yield calculator, Brix tracking, Tree-by-tree analytics, Multi-season history

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 Year | $29.99 | per year |


### 3Di Engage Fire App

[App page](https://appshunter.io/ios/app/3di-engage-fire-app/id6743161311)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LuckySap free?

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

### Is 3Di Engage Fire App free?

3Di Engage Fire App is free to download, with no in-app purchases.

### Do LuckySap or 3Di Engage Fire App have ads?

Neither LuckySap nor 3Di Engage Fire App shows ads.

### Which is updated more often, LuckySap or 3Di Engage Fire App?

LuckySap ships an update every 11 months, and 3Di Engage Fire App every 4 months. Most recently, LuckySap was updated on November 4, 2026 and 3Di Engage Fire App on October 25, 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.*