# Zoho Sign vs OneInbox

The clearest difference is in-app purchases: OneInbox at none against Zoho Sign's 4. OneInbox also leads on update cadence (every 5 days vs every 4 weeks) and iOS requirement (15.1 vs 17). Zoho Sign's advantage is ratings volume (885 vs 2). On price, rating, ads and device support there is nothing between them.

Both are free to download. Zoho Sign sells 4 in-app purchases, starting at $11.99 per month. OneInbox asks for nothing beyond the download.

OneInbox holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Zoho Sign has 885 ratings behind it against 2, so its average is the more settled of the two.

Zoho Sign ships an update every 4 weeks, OneInbox every 5 days. The most recent releases landed on November 10, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Zoho Sign | OneInbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (885 ratings)](https://appshunter.io/ios/app/zoho-sign-fill-and-esign-docs/id1236146442/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/oneinbox/id6790808652/reviews)** |
| Number of ratings | **885** | 2 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 168 MB | 40 MB |
| Requires iOS | 17 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zoho Corporation](https://appshunter.io/developer/388384807) | [Mobo Media](https://appshunter.io/developer/1202644908) |

## What reviewers say

### Zoho Sign

[App page](https://appshunter.io/ios/app/zoho-sign-fill-and-esign-docs/id1236146442)

Securely sign and manage digital documents from any device. This cloud-based solution integrates with your favorite apps for a seamless signing experience on the go. It offers robust security and compliance features for legally binding agreements.

**Highlights:** Legally binding e-signatures, Cross-device signing, Cloud storage integration, Customizable templates, QR code SignForms, In-person signing, Payment collection during signing

**Features:** iMessage stickers, Vision Pro support, iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard - Monthly | $11.99 | per month |
| Professional - Monthly | $19.99 | per month |
| Standard - Yearly | $119.99 | per year |
| Professional - Yearly | $189.99 | per year |

**What reviewers like**

- 👍 Easy to use and intuitive interface
- 🚀 Fast and efficient signing process
- 💰 Flexible pricing with free tier option
- 📱 Mobile app functionality works well
- 🔒 Reliable and trustworthy service

**What reviewers complain about**

- 🎨 UI needs to feel more native to platform
- 📧 Email templates look unprofessional and outdated
- 🖥️ Mobile Safari web version has poor layout
- 🐛 Landscape mode not properly supported
- ⚙️ Missing key features in mobile app

**Reported bugs**

- Quick send feature doesn't work
- Input box sizing is incorrect on mobile
- Cannot delete boxes once selected
- Email dropdown autofill not visible
- Font size changes arbitrarily when rotating device

**Requested features**

- Folder view for iPhone (like iPad version)
- Ability to change plans and purchase credits from app
- Professional default email templates
- Multiple brand/business email sender options
- Field duplication for multiple recipients


### OneInbox

[App page](https://appshunter.io/ios/app/oneinbox/id6790808652)

Consolidate all customer WhatsApp conversations into a single, organized workspace for your team. Assign chats, manage contacts, and use message templates for efficient customer communication and tracking.

**Highlights:** Shared team inbox for WhatsApp, Conversation assignment to team members, Organized contact management, WhatsApp message template access, Conversation status tracking (Open, Pending, Solved), Collaborative team workspace, Credit visibility

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

**In-app purchases:** none


## Frequently asked questions

### Is Zoho Sign free?

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

### Is OneInbox free?

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

### Which has better reviews, Zoho Sign or OneInbox?

OneInbox is rated higher. Zoho Sign averages 4.8 out of 5 from 885 ratings, while OneInbox averages 5.0 from 2 ratings.

### Do Zoho Sign or OneInbox have ads?

Neither Zoho Sign nor OneInbox shows ads.

### Which is updated more often, Zoho Sign or OneInbox?

Zoho Sign ships an update every 4 weeks, and OneInbox every 5 days. Most recently, Zoho Sign was updated on November 10, 2026 and OneInbox on November 5, 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.*