# Ask Fellow Optoms vs Blass Nibble

The clearest difference is in-app purchases: Ask Fellow Optoms at none against Blass Nibble's 1. Ask Fellow Optoms also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Blass Nibble sells 1 one-off in-app purchase. Ask Fellow Optoms asks for nothing beyond the download.

Ask Fellow Optoms ships an update monthly, Blass Nibble every 4 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Ask Fellow Optoms | Blass Nibble |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 4 weeks** |
| Size | 22 MB | 15 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Clinician People Ltd.](https://appshunter.io/developer/1764500143) | [Karl Hadman](https://appshunter.io/developer/1895869536) |

## What reviewers say

### Ask Fellow Optoms

[App page](https://appshunter.io/ios/app/ask-fellow-optoms/id1642334985)

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

**In-app purchases:** none


### Blass Nibble

[App page](https://appshunter.io/ios/app/blass-nibble/id6768054789)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Premium Modes | $1.99 | one-time |


## Frequently asked questions

### Is Ask Fellow Optoms free?

Ask Fellow Optoms is free to download, with no in-app purchases.

### Is Blass Nibble free?

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

### Do Ask Fellow Optoms or Blass Nibble have ads?

Blass Nibble shows ads; Ask Fellow Optoms does not.

### Which is updated more often, Ask Fellow Optoms or Blass Nibble?

Ask Fellow Optoms ships an update monthly, and Blass Nibble every 4 weeks. Most recently, Ask Fellow Optoms was updated on October 30, 2026 and Blass Nibble on October 31, 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.*