# Signature maker vs Timechart Ai

The clearest difference is in-app purchases: Timechart Ai at none against Signature maker's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Signature maker sells 4 in-app purchases, starting at $9.99 per 7 days. Timechart Ai asks for nothing beyond the download.

Signature maker ships an update every 6 days, Timechart Ai every 10 days. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Signature maker | Timechart Ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (39 ratings)](https://appshunter.io/ios/app/signature-maker-pdf-boost/id6744640292/reviews)** | — |
| Number of ratings | **39** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 10 days |
| Monetization | Free with in-app purchases | — |
| Size | 53 MB | 89 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Appers Limited](https://appshunter.io/developer/1693135577) | [Anjuman Najmi](https://appshunter.io/developer/964279074) |

## What reviewers say

### Signature maker

[App page](https://appshunter.io/ios/app/signature-maker-pdf-boost/id6744640292)

Easily sign, edit, scan, and convert PDF documents on your iPhone. This app allows you to create and manage digital signatures, extract text, and convert files to various formats. It's designed for quick and intuitive document management for everyday tasks.

**Highlights:** Sign PDFs with custom electronic signatures, Create and manage multiple signature styles, Scan documents to PDF or image formats, Edit PDF pages (reorder, remove, add), Extract text from PDFs to TXT or DOC, Convert PDFs to JPEG/PNG

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| weekly subscription | $9.99 | per 7 days |
| Promo Annual | $29.99 | per year |
| Annual subscription | $69.99 | per year |
| Scanner Life Time | $79.99 | one-time |


### Timechart Ai

[App page](https://appshunter.io/ios/app/timechart-ai/id6755812717)

**In-app purchases:** none


## Frequently asked questions

### Is Signature maker free?

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

### Is Timechart Ai free?

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

### Do Signature maker or Timechart Ai have ads?

Neither Signature maker nor Timechart Ai shows ads.

### Which is updated more often, Signature maker or Timechart Ai?

Signature maker ships an update every 6 days, and Timechart Ai every 10 days. Most recently, Signature maker was updated on November 5, 2026 and Timechart Ai on October 30, 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.*