# Authenticator for Instagram vs Invoice Maker & Estimates ++

The clearest difference is update cadence: Invoice Maker & Estimates ++ at every 5 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 Invoice Maker & Estimates ++ 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, Invoice Maker & Estimates ++ every 5 weeks. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Authenticator for Instagram | Invoice Maker & Estimates ++ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 73 MB | 24 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) | [Sheryl Hunt](https://appshunter.io/developer/1869897197) |

## 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 |


### Invoice Maker & Estimates ++

[App page](https://appshunter.io/ios/app/invoice-maker-and-estimates-plus-plus/id6757921423)

**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 |


## Frequently asked questions

### Is Authenticator for Instagram free?

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

### Is Invoice Maker & Estimates ++ free?

Invoice Maker & Estimates ++ is free to download, with in-app purchases available.

### Do Authenticator for Instagram or Invoice Maker & Estimates ++ have ads?

Neither Authenticator for Instagram nor Invoice Maker & Estimates ++ shows ads.

### Which is updated more often, Authenticator for Instagram or Invoice Maker & Estimates ++?

Authenticator for Instagram ships an update every 2 months, and Invoice Maker & Estimates ++ every 5 weeks. Most recently, Authenticator for Instagram was updated on October 16, 2026 and Invoice Maker & Estimates ++ on October 7, 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.*