# AuthX Vault vs Invoice Maker

The clearest difference is in-app purchases: AuthX Vault at none against Invoice Maker's 3. AuthX Vault also leads on ads (none vs shown) and device support (3 vs 1). Invoice Maker's advantage is update cadence (fortnightly vs every 8 months). On price there is nothing between them.

Both are free to download. Invoice Maker sells 3 in-app purchases, starting at $5.99 per 7 days. AuthX Vault asks for nothing beyond the download.

AuthX Vault ships an update every 8 months, Invoice Maker fortnightly. The most recent releases landed on September 9, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | AuthX Vault | Invoice Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (26 ratings)](https://appshunter.io/ios/app/invoice-maker-pdf-receipts/id6747875036/reviews)** |
| Number of ratings | — | **26** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 46 MB | 39 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AuthX Security LLC](https://appshunter.io/developer/1841460812) | [Hoi Truong Van](https://appshunter.io/developer/1732379046) |

## What reviewers say

### AuthX Vault

[App page](https://appshunter.io/ios/app/authx-vault/id6443798510)

**In-app purchases:** none


### Invoice Maker

[App page](https://appshunter.io/ios/app/invoice-maker-pdf-receipts/id6747875036)

Generate professional invoices, bills, and quotes quickly. Add your signature, customize with your logo and business details, and track payment statuses. Easily send them via email or save as PDFs.

**Highlights:** Fast invoice creation, Add signature, Customize logo and business info, Save as PDF, Track payment status, Manage clients and services

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Invoice Maker Weekly | $5.99 | per 7 days |
| Invoice Maker Semi-Annual | $39.99 | per 6 months |
| Invoice Maker LifeTime | $49.99 | one-time |

**What reviewers like**

- 🚀 Smooth tax season prep
- 🚀 Saves hours each week
- 👍 Simple setup
- 🚀 Faster payments
- 👍 Freelancer friendly


## Frequently asked questions

### Is AuthX Vault free?

AuthX Vault is free to download, with no in-app purchases.

### Is Invoice Maker free?

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

### Do AuthX Vault or Invoice Maker have ads?

Invoice Maker shows ads; AuthX Vault does not.

### Which is updated more often, AuthX Vault or Invoice Maker?

AuthX Vault ships an update every 8 months, and Invoice Maker fortnightly. Most recently, AuthX Vault was updated on September 9, 2026 and Invoice Maker on September 24, 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.*