# Notarize vs SKY

Notarize and SKY are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Notarize ships an update every 3 weeks, SKY monthly. The most recent releases landed on September 26, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Notarize | SKY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (119K ratings)](https://appshunter.io/ios/app/notarize/id1022005141/reviews)** | — |
| Number of ratings | **119K** | — |
| Positive reviews | 71.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | — |
| Size | 238 MB | 30 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Notarize, Inc.](https://appshunter.io/developer/1022005140) | [YAS Digital Limited](https://appshunter.io/developer/1499073361) |

## What reviewers say

### Notarize

[App page](https://appshunter.io/ios/app/notarize/id1022005141)

Legally and securely notarize any document online in minutes from your mobile device. Connect with a licensed notary via audio/video call for instant verification and signing, available 24/7 worldwide. Supports documents with multiple signers.

**Highlights:** Online document notarization, 24/7 availability, Audio/video notary calls, Identity verification, Multi-signer document support, Downloadable notarized documents

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and convenient
- 👍 Easy to use
- 🌟 Great customer service
- 💰 Affordable pricing
- 🌍 Accessible from anywhere

**What reviewers complain about**

- 🐛 Glitchy and buggy experience
- 🤔 Confusing instructions
- 🤖 Unhelpful or unresponsive notaries
- 🔒 Concerns about security and verification
- 💻 Compatibility issues with devices and browsers

**Reported bugs**

- Document upload and signing issues
- Connectivity problems during video calls
- Inability to delete or edit previously entered information

**Requested features**

- Allow multiple signers on a document
- Improve document quality and editing capabilities
- Provide better customer support and troubleshooting
- Expand availability to more locations and countries


### SKY

[App page](https://appshunter.io/ios/app/sky-i/id6479591916)

**In-app purchases:** none


## Frequently asked questions

### Is Notarize free?

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

### Is SKY free?

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

### Do Notarize or SKY have ads?

Neither Notarize nor SKY shows ads.

### Which is updated more often, Notarize or SKY?

Notarize ships an update every 3 weeks, and SKY monthly. Most recently, Notarize was updated on September 26, 2026 and SKY on September 13, 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.*