# Authenticator for Instagram vs Document Signer .

The clearest difference is update cadence: Document Signer . at every 3 weeks against Authenticator for Instagram's every 2 months. Authenticator for Instagram's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Authenticator for Instagram sells 5 in-app purchases, starting at $4.99 per 7 days and Document Signer . sells 5 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Authenticator for Instagram ships an update every 2 months, Document Signer . every 3 weeks. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Authenticator for Instagram | Document Signer . |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 73 MB | 37 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Herman Mitchenle](https://appshunter.io/developer/1828900304) | [Alex Harris](https://appshunter.io/developer/1834130687) |

## What reviewers say

### Authenticator for Instagram

[App page](https://appshunter.io/ios/app/authenticator-for-instagram/id6749144854)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly-Trial | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


### Document Signer .

[App page](https://appshunter.io/ios/app/document-signer/id6759598757)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly-Trial | $4.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Authenticator for Instagram free?

Authenticator for Instagram is free to download, with in-app purchases available.

### Is Document Signer . free?

Document Signer . is free to download, with in-app purchases available.

### Do Authenticator for Instagram or Document Signer . have ads?

Neither Authenticator for Instagram nor Document Signer . shows ads.

### Which is updated more often, Authenticator for Instagram or Document Signer .?

Authenticator for Instagram ships an update every 2 months, and Document Signer . every 3 weeks. Most recently, Authenticator for Instagram was updated on October 16, 2026 and Document Signer . on October 10, 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.*