# Signature Maker Doc Scanner vs A Third Ear

The clearest difference is in-app purchases: Signature Maker Doc Scanner at none against A Third Ear's 4. Signature Maker Doc Scanner also leads on iOS requirement (15.6 vs 26.0). A Third Ear's advantage is ads (none vs shown) and update cadence (fortnightly vs every 36 months). On price and device support there is nothing between them.

Both are free to download. A Third Ear sells 4 in-app purchases, starting at $4.99 per year. Signature Maker Doc Scanner asks for nothing beyond the download.

Signature Maker Doc Scanner ships an update every 36 months, A Third Ear fortnightly. The most recent releases landed on October 15, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Signature Maker Doc Scanner | A Third Ear |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 36 months | **Fortnightly** |
| Size | 6 MB | 816 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Deepak Jalwa](https://appshunter.io/developer/1809904290) | [MESS Software Technologies LLC](https://appshunter.io/developer/1824898162) |

## What reviewers say

### Signature Maker Doc Scanner

[App page](https://appshunter.io/ios/app/signature-maker-doc-scanner/id1640018505)

**Features:** macOS Compatibility

**In-app purchases:** none


### A Third Ear

[App page](https://appshunter.io/ios/app/a-third-ear/id6753905938)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A ThirdEar Annual Sub | $4.99 | per year |
| Small Tip | $0.99 | one-time |
| Medium Tip | $4.99 | one-time |
| Large Tip | $9.99 | one-time |


## Frequently asked questions

### Is Signature Maker Doc Scanner free?

Signature Maker Doc Scanner is free to download, with no in-app purchases.

### Is A Third Ear free?

A Third Ear is free to download, with in-app purchases available.

### Do Signature Maker Doc Scanner or A Third Ear have ads?

Signature Maker Doc Scanner shows ads; A Third Ear does not.

### Which is updated more often, Signature Maker Doc Scanner or A Third Ear?

Signature Maker Doc Scanner ships an update every 36 months, and A Third Ear fortnightly. Most recently, Signature Maker Doc Scanner was updated on October 15, 2026 and A Third Ear on October 17, 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.*