# String Master vs Autograph Identifier

The clearest difference is in-app purchases: String Master at none against Autograph Identifier's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Autograph Identifier sells 3 in-app purchases, starting at $4.99 per 7 days. String Master asks for nothing beyond the download.

## The numbers

| Metric | String Master | Autograph Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.5 (33 ratings)](https://appshunter.io/ios/app/autograph-identifier-inkrify/id6749929092/reviews)** |
| Number of ratings | — | **33** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 35 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [David Yates](https://appshunter.io/developer/1690412332) | [Ramkumar Vellaisamy](https://appshunter.io/developer/1706335914) |

## What reviewers say

### String Master

[App page](https://appshunter.io/ios/app/string-master/id6473636981)

**In-app purchases:** none


### Autograph Identifier

[App page](https://appshunter.io/ios/app/autograph-identifier-inkrify/id6749929092)

Instantly identify and authenticate autographs using advanced AI. Discover historical context and estimated market value for signed items. Save your findings to a personal collection.

**Highlights:** Instant autograph identification from photos, AI-powered authenticity verification, Historical context of signers, Estimated market value discovery, Personal autograph collection saving

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Autograph Identifier Weekly | $4.99 | per 7 days |
| Autograph Identifier Yearly | $24.99 | per year |
| Autograph Identifier Lifetime | $199.99 | one-time |


## Frequently asked questions

### Is String Master free?

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

### Is Autograph Identifier free?

Autograph Identifier is free to download, with in-app purchases available.

### Do String Master or Autograph Identifier have ads?

Neither String Master nor Autograph Identifier shows ads.

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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.*