# Signature Maker・Sign Documents vs Air Tracker, Device Detector.

The clearest difference is review sentiment: Signature Maker・Sign Documents at 80% against Air Tracker, Device Detector.'s 0%. Air Tracker, Device Detector.'s advantage is ads (none vs shown) and rating (4.6 vs 4.3). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Signature Maker・Sign Documents sells 7 in-app purchases, starting at $4.99 per 7 days and Air Tracker, Device Detector. sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Air Tracker, Device Detector. holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 27 and 71 respectively. Written reviews complicate that: 80% of Signature Maker・Sign Documents's written reviews are positive against 0% of Air Tracker, Device Detector.'s, so the app with the better star average is not the one people write more warmly about.

Signature Maker・Sign Documents ships an update fortnightly, Air Tracker, Device Detector. every 9 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Signature Maker・Sign Documents | Air Tracker, Device Detector. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (27 ratings)](https://appshunter.io/ios/app/signature-makersign-documents/id6477393548/reviews) | **[4.6 (71 ratings)](https://appshunter.io/ios/app/air-tracker-device-detector/id6739254297/reviews)** |
| Number of ratings | 27 | **71** |
| Positive reviews | **80.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 100 MB | 71 MB |
| Requires iOS | 16.0 | **15.3** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZipoApps](https://appshunter.io/developer/1671444635) | [Adan Malon](https://appshunter.io/developer/1764279694) |

## What reviewers say

### Signature Maker・Sign Documents

[App page](https://appshunter.io/ios/app/signature-makersign-documents/id6477393548)

Effortlessly sign documents digitally by drawing directly on your screen or using your device's camera. This tool eliminates the need for printing and scanning, offering a fast, modern, and eco-friendly way to manage agreements on the go.

**Highlights:** Draw and save digital signatures, Scan documents with smart boundary recognition, Customize signature size, color, and style, Sign contracts and agreements quickly, Paperless document management

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy PRO for a Week | $4.99 | per 7 days |
| Buy PRO for a Month | $7.99 | per month |
| Unlimited Access | $8.99 | per 7 days |
| Unlimited Access | $19.99 | per month |
| Buy PRO for a Year | $44.99 | per year |
| Buy pro for a year. Sale | $44.99 | per year |
| Unlimited Access | $49.99 | per year |


### Air Tracker, Device Detector.

[App page](https://appshunter.io/ios/app/air-tracker-device-detector/id6739254297)

Easily locate misplaced Bluetooth devices with this app's radar-like indicators and precise distance estimations. Enjoy an ad-free experience and unlimited searches with a subscription.

**Highlights:** Bluetooth device scanning, Distance estimation, Radar-like indicators, Advanced device tracking, Unlimited searches, Ad-free experience

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Access | $6.99 | per 7 days |
| Monthly Premium Access | $14.99 | per month |
| Annual Premium Access | $31.99 | per year |


## Frequently asked questions

### Is Signature Maker・Sign Documents free?

Signature Maker・Sign Documents is free to download, with in-app purchases available.

### Is Air Tracker, Device Detector. free?

Air Tracker, Device Detector. is free to download, with in-app purchases available.

### Which has better reviews, Signature Maker・Sign Documents or Air Tracker, Device Detector.?

Air Tracker, Device Detector. is rated higher. Signature Maker・Sign Documents averages 4.3 out of 5 from 27 ratings, while Air Tracker, Device Detector. averages 4.6 from 71 ratings.

### Do Signature Maker・Sign Documents or Air Tracker, Device Detector. have ads?

Signature Maker・Sign Documents shows ads; Air Tracker, Device Detector. does not.

### Which is updated more often, Signature Maker・Sign Documents or Air Tracker, Device Detector.?

Signature Maker・Sign Documents ships an update fortnightly, and Air Tracker, Device Detector. every 9 days. Most recently, Signature Maker・Sign Documents was updated on October 24, 2026 and Air Tracker, Device Detector. on October 24, 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.*