# CoolSense vs SparkPDF

The clearest difference is in-app purchases: CoolSense at none against SparkPDF's 4. CoolSense also leads on ads (none vs shown) and iOS requirement (10.0 vs 13.0). On price, update cadence and device support there is nothing between them.

Both are free to download. SparkPDF sells 4 one-off in-app purchases. CoolSense asks for nothing beyond the download.

CoolSense ships an update fortnightly, SparkPDF every 10 days. The most recent releases landed on November 6, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | CoolSense | SparkPDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sparkpdf-scan-sign-and-fill/id6760437092/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 108 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gopi Gadhiya](https://appshunter.io/developer/1387816354) | [Moetez Theiri](https://appshunter.io/developer/1832095709) |

## What reviewers say

### CoolSense

[App page](https://appshunter.io/ios/app/coolsense/id1439038076)

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

**In-app purchases:** none


### SparkPDF

[App page](https://appshunter.io/ios/app/sparkpdf-scan-sign-and-fill/id6760437092)

Transform your phone into a powerful PDF scanner, filler, and signing tool. Easily convert paper documents to digital PDFs, add text and signatures, and manage your files on the go. Core features are free, with optional ads or a one-time purchase to remove them.

**Highlights:** Scan documents to PDF, Fill and sign PDFs, Add text, dates, and stamps, Merge and split PDFs, Convert images to PDF, Organize files into folders, Search text within PDFs

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee Support | $2.99 | one-time |
| Extra Support | $4.99 | one-time |
| Big Support | $9.99 | one-time |
| Remove Ads Forever | $9.99 | one-time |


## Frequently asked questions

### Is CoolSense free?

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

### Is SparkPDF free?

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

### Do CoolSense or SparkPDF have ads?

SparkPDF shows ads; CoolSense does not.

### Which is updated more often, CoolSense or SparkPDF?

CoolSense ships an update fortnightly, and SparkPDF every 10 days. Most recently, CoolSense was updated on November 6, 2026 and SparkPDF on November 9, 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.*