# APPA Engage vs Sheltera

The clearest difference is ads: Sheltera at none against APPA Engage's shown. Sheltera also leads on update cadence (every 5 days vs every 7 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

APPA Engage ships an update every 7 months, Sheltera every 5 days. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | APPA Engage | Sheltera |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sheltera/id6468591677/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 5 days** |
| Monetization | — | Free |
| Size | 51 MB | 70 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [The American Public Power Association.](https://appshunter.io/developer/1345241617) | [Sanmi Ajanaku](https://appshunter.io/developer/1079050270) |

## What reviewers say

### APPA Engage

[App page](https://appshunter.io/ios/app/appa-engage/id1571202081)

**In-app purchases:** none


### Sheltera

[App page](https://appshunter.io/ios/app/sheltera/id6468591677)

This app helps utility professionals manage vegetation and storm response. It allows for incident reporting, work order creation, photo documentation, resource recommendations, and quality control. It leverages AI and imagery analysis for efficient vegetation monitoring and storm damage repair.

**Highlights:** Incident reporting, Work order creation, Photo documentation, Resource recommendations, Quality control, Vegetation monitoring, Storm response planning

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

**In-app purchases:** none


## Frequently asked questions

### Is APPA Engage free?

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

### Is Sheltera free?

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

### Do APPA Engage or Sheltera have ads?

APPA Engage shows ads; Sheltera does not.

### Which is updated more often, APPA Engage or Sheltera?

APPA Engage ships an update every 7 months, and Sheltera every 5 days. Most recently, APPA Engage was updated on October 13, 2026 and Sheltera on October 15, 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.*