# AIMS Explorer vs VetChange

The clearest difference is update cadence: VetChange at every 35 months against AIMS Explorer's every 72 months. VetChange also leads on iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

AIMS Explorer ships an update every 72 months, VetChange every 35 months. The most recent releases landed on October 14, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | AIMS Explorer | VetChange |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (15 ratings)](https://appshunter.io/ios/app/vetchange/id1550206382/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 72 months | **Every 35 months** |
| Monetization | — | Free |
| Size | 78 MB | 208 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Palo Alto Veterans Institute for Research](https://appshunter.io/developer/1292950620) | [US Department of Veterans Affairs (VA)](https://appshunter.io/developer/430646305) |

## What reviewers say

### AIMS Explorer

[App page](https://appshunter.io/ios/app/aims-explorer/id1532841936)

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

**In-app purchases:** none


### VetChange

[App page](https://appshunter.io/ios/app/vetchange/id1550206382)

This app helps individuals concerned about their drinking and its connection to stress. It offers tools to understand drinking patterns, manage stress and urges, and learn about alcohol use and PTSD. Users can track progress and find information on community resources and professional treatment.

**Highlights:** Understand drinking-mood relationships, Manage stress and drinking urges, Learn about alcohol use and PTSD, Track progress, Access community resources, Find professional treatment referrals

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AIMS Explorer free?

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

### Is VetChange free?

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

### Do AIMS Explorer or VetChange have ads?

Neither AIMS Explorer nor VetChange shows ads.

### Which is updated more often, AIMS Explorer or VetChange?

AIMS Explorer ships an update every 72 months, and VetChange every 35 months. Most recently, AIMS Explorer was updated on October 14, 2026 and VetChange on October 23, 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.*