# Envelope Printer Labels vs ShakeLock

The clearest difference is ads: Envelope Printer Labels at none against ShakeLock's shown. Envelope Printer Labels also leads on device support (3 vs 1) and iOS requirement (16.0 vs 18.0). ShakeLock's advantage is update cadence (every 3 days vs fortnightly). On price and in-app purchases there is nothing between them.

Both are free to download. Envelope Printer Labels sells 9 in-app purchases, starting at $5.99 per 7 days and ShakeLock sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Envelope Printer Labels ships an update fortnightly, ShakeLock every 3 days. The most recent releases landed on November 12, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Envelope Printer Labels | ShakeLock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (372 ratings)](https://appshunter.io/ios/app/envelope-printer-labels/id6446146267/reviews)** | — |
| Number of ratings | **372** | — |
| Positive reviews | 32.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 50 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jordan Zeleny](https://appshunter.io/developer/1504747125) | [SAKIPARU, LIMITED LIABILITY COMPANY](https://appshunter.io/developer/1834185273) |

## What reviewers say

### Envelope Printer Labels

[App page](https://appshunter.io/ios/app/envelope-printer-labels/id6446146267)

Easily create professional-looking envelopes for any occasion. Supports various sizes, customizable text and images, and bulk printing with AI formatting. Preview designs before printing and connect to AirPrint-enabled printers.

**Highlights:** Supports all envelope sizes, Customizable text formatting, Add images and personalization, Bulk printing with AI formatting, Dynamic previews, AirPrint compatibility

**Features:** Family Sharing, Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $5.99 | per 7 days |
| Pro | $5.99 | per 7 days |
| Pro | $9.99 | per 3 months |
| Pro | $14.99 | per 3 months |
| Pro | $24.99 | per 6 months |
| Pro | $29.99 | per year |
| Pro | $29.99 | per year |
| Envelope Printer Yearly | $29.99 | per year |
| Pro Lifetime | $29.99 | one-time |

**What reviewers like**

- 👍 Easy to use and install
- 🎨 Wide variety of fonts available
- 🚀 Fast envelope printing process
- 📱 Simple and intuitive UI
- 💼 Professional-looking printed envelopes

**What reviewers complain about**

- 💰 Subscription model instead of one-time purchase
- 🐛 Inconsistent print sizing and positioning
- ⚙️ Poor settings and customization options
- 📏 No margin adjustment capability
- 🖨️ Limited printer compatibility (HP issues)

**Reported bugs**

- Print comes out too large or too small
- Cannot change envelope size
- Address reverts to sample data (Alex Jordan) on print screen
- App crashes when accessing subscription settings
- Keyboard doesn't appear for address entry

**Requested features**

- One-time purchase option instead of subscription
- Free trial period before purchase
- Support for multiple envelope sizes (A9, etc.)
- Ability to delete saved addresses
- Margin and justification controls


### ShakeLock

[App page](https://appshunter.io/ios/app/shakelock-shake-to-unblock/id6780295755)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ShakeLock Premium | $1.99 | per month |


## Frequently asked questions

### Is Envelope Printer Labels free?

Envelope Printer Labels is free to download, with in-app purchases available.

### Is ShakeLock free?

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

### Do Envelope Printer Labels or ShakeLock have ads?

ShakeLock shows ads; Envelope Printer Labels does not.

### Which is updated more often, Envelope Printer Labels or ShakeLock?

Envelope Printer Labels ships an update fortnightly, and ShakeLock every 3 days. Most recently, Envelope Printer Labels was updated on November 12, 2026 and ShakeLock on October 31, 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.*