# DottedSign vs CoLine

The clearest difference is in-app purchases: CoLine at none against DottedSign's 4. CoLine also leads on review sentiment (96% vs 69%). DottedSign's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. DottedSign sells 4 in-app purchases, starting at $9.99 per month. CoLine asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 21, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | DottedSign | CoLine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (21 ratings)](https://appshunter.io/ios/app/dottedsign-esign-and-fill-docs/id1441013630/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 69.4% of reviews | **95.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 97 MB | 78 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kdan Mobile Software LTD](https://appshunter.io/developer/318936474) | [MITAKE](https://appshunter.io/developer/321222378) |

## What reviewers say

### DottedSign

[App page](https://appshunter.io/ios/app/dottedsign-esign-and-fill-docs/id1441013630)

Streamline your document signing process with this app. Easily sign documents yourself or request legally binding signatures from others. Manage tasks, track progress, and import/share files securely from your mobile device.

**Highlights:** Request signatures from multiple signers, Sign documents yourself with freehand drawing, Personalize signatures with stamps and photos, Import documents from various sources, Track signature tasks with visual progress, Secure digital audit trails

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Legacy  DottedSign (Monthly) | $9.99 | per month |
| DottedSign Pro (Monthly) | $14.99 | per month |
| Legacy  DottedSign (Annual) | $59.99 | per year |
| DottedSign Pro (Annual) | $95.99 | per year |


### CoLine

[App page](https://appshunter.io/ios/app/coline-line-work/id1533753952)

This business communication app offers dynamic posts, text chat, and voice calls to improve cross-departmental efficiency. It integrates company announcements, allows cloud file sharing, and supports API integrations for flexible system compatibility.

**Highlights:** Dynamic posts for announcements, Text chat and voice calls, Cloud file sharing, Cross-departmental communication, API integration support

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

**In-app purchases:** none


## Frequently asked questions

### Is DottedSign free?

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

### Is CoLine free?

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

### Do DottedSign or CoLine have ads?

Neither DottedSign nor CoLine shows ads.

### Which is updated more often, DottedSign or CoLine?

DottedSign ships an update every 3 weeks, and CoLine every 3 weeks. Most recently, DottedSign was updated on October 21, 2026 and CoLine on October 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.*