# DEEPSMART vs PDFSeek

The clearest difference is in-app purchases: DEEPSMART at none against PDFSeek's 12. PDFSeek's advantage is update cadence (every 10 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PDFSeek sells 12 one-off in-app purchases. DEEPSMART asks for nothing beyond the download.

DEEPSMART ships an update monthly, PDFSeek every 10 days. The most recent releases landed on June 25, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | DEEPSMART | PDFSeek |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/deepsmart/id1478603650/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Free | — |
| Size | 170 MB | 65 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hangzhou Shendu Technology Co., Ltd.](https://appshunter.io/developer/1734771629) | [国伟 黄](https://appshunter.io/developer/1292690768) |

## What reviewers say

### DEEPSMART

[App page](https://appshunter.io/ios/app/deepsmart/id1478603650)

Control your home's heating and cooling remotely via WiFi. Set schedules, automate based on your location, and ensure optimal comfort and energy savings. Integrates with various AC and heating systems.

**Highlights:** Remote WiFi control of AC and heating, Automatic away/home modes based on location, Customizable 7x24 hour scheduling, Humidity range control, PM2.5 sensor integration for air quality, Supports multiple HVAC brands

**Features:** macOS Compatibility

**In-app purchases:** none


### PDFSeek

[App page](https://appshunter.io/ios/app/pdfseek/id6754899117)

**Features:** macOS Compatibility

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $4.00 | one-time |
| Annual Membership | $42.00 | one-time |
| PDF translation | $69.99 | one-time |
| PDF translation | $75.99 | one-time |
| PDF translation | $83.99 | one-time |
| PDF translation | $87.99 | one-time |
| PDF translation | $89.99 | one-time |
| PDF translation | $91.99 | one-time |
| PDF translation | $93.99 | one-time |
| PDF translation | $95.99 | one-time |
| PDF translation | $97.99 | one-time |
| PDF translation | $99.99 | one-time |


## Frequently asked questions

### Is DEEPSMART free?

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

### Is PDFSeek free?

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

### Do DEEPSMART or PDFSeek have ads?

Neither DEEPSMART nor PDFSeek shows ads.

### Which is updated more often, DEEPSMART or PDFSeek?

DEEPSMART ships an update monthly, and PDFSeek every 10 days. Most recently, DEEPSMART was updated on June 25, 2026 and PDFSeek 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.*