# ASPN Go vs AB Optometrists App

ASPN Go and AB Optometrists App are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

ASPN Go ships an update every 6 months, AB Optometrists App every 3 months. The most recent releases landed on October 9, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ASPN Go | AB Optometrists App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Size | 55 MB | 55 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [The American Society of Pediatric Nephrology](https://appshunter.io/developer/1733265245) | [Alberta Association of Optometrists](https://appshunter.io/developer/1438070154) |

## What reviewers say

### ASPN Go

[App page](https://appshunter.io/ios/app/aspn-go/id6478542675)

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

**In-app purchases:** none


### AB Optometrists App

[App page](https://appshunter.io/ios/app/ab-optometrists-app/id6754893845)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ASPN Go free?

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

### Is AB Optometrists App free?

AB Optometrists App is free to download, with no in-app purchases.

### Do ASPN Go or AB Optometrists App have ads?

Neither ASPN Go nor AB Optometrists App shows ads.

### Which is updated more often, ASPN Go or AB Optometrists App?

ASPN Go ships an update every 6 months, and AB Optometrists App every 3 months. Most recently, ASPN Go was updated on October 9, 2026 and AB Optometrists App on October 28, 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.*