# 1HR vs Invoice Maker by SPK

The clearest difference is in-app purchases: 1HR at none against Invoice Maker by SPK's 9. 1HR also leads on iOS requirement (8.0 vs 13.0). Invoice Maker by SPK's advantage is update cadence (weekly vs every 20 months). On price, ads and device support there is nothing between them.

Both are free to download. Invoice Maker by SPK sells 9 in-app purchases, starting at $4.99 per month. 1HR asks for nothing beyond the download.

1HR ships an update every 20 months, Invoice Maker by SPK weekly. The most recent releases landed on October 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 1HR | Invoice Maker by SPK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (911 ratings)](https://appshunter.io/ios/app/invoice-maker-by-spk/id1575877820/reviews)** |
| Number of ratings | — | **911** |
| Positive reviews | — | 73.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 20 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 30 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fexcon Pty Ltd](https://appshunter.io/developer/617930672) | [SPK Studios LLC](https://appshunter.io/developer/1575877822) |

## What reviewers say

### 1HR

[App page](https://appshunter.io/ios/app/1hr/id1310225488)

**Features:** macOS Compatibility

**In-app purchases:** none


### Invoice Maker by SPK

[App page](https://appshunter.io/ios/app/invoice-maker-by-spk/id1575877820)

Create and send professional PDF invoices and estimates quickly and easily. This ad-free, watermark-free app is ideal for small business owners, consultants, and freelancers on the go. Customize templates, track clients, and manage your billing efficiently.

**Highlights:** Create unlimited invoices and estimates, No ads or watermarks, Customizable invoice fields, Client list management, Multiple sharing options (email, WhatsApp, text), Convert estimates to invoices, Company logo and signature upload

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| My Invoice Generator | $4.99 | per month |
| The Invoice Maker | $7.99 | per month |
| Invoice Maker App | $9.99 | per month |
| Invoice Maker Pro | $9.99 | per month |
| Smart Invoice Maker | $39.99 | per year |
| Quick Invoice Maker | $59.99 | per year |
| Invoice Maker Professional | $69.99 | per year |
| App Invoice Maker | $89.99 | per year |
| Invoice Maker Plus | $89.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick and efficient
- 💡 Helpful features
- ⭐ Great app overall

**What reviewers complain about**

- 🐛 Data loss issues
- 🔒 Lack of device sync
- 📝 Limited item descriptions
- 🔧 Unreliable functionality

**Reported bugs**

- Invoices not updating correctly
- Inability to unsubscribe from paid features

**Requested features**

- Ability to sync data across devices
- Increased character limit for item descriptions
- Improved customer support


## Frequently asked questions

### Is 1HR free?

1HR is free to download, with no in-app purchases.

### Is Invoice Maker by SPK free?

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

### Do 1HR or Invoice Maker by SPK have ads?

Neither 1HR nor Invoice Maker by SPK shows ads.

### Which is updated more often, 1HR or Invoice Maker by SPK?

1HR ships an update every 20 months, and Invoice Maker by SPK weekly. Most recently, 1HR was updated on October 3, 2026 and Invoice Maker by SPK on October 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.*