Comparison

Autel Link vs Shrink PDF Email

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Autel Link

Manage your automotive smart key and fitness data with this companion app. It allows for easy vehicle key programming, tracks workouts, monitors health metrics, and syncs with a compatible smartwatch.

Highlights
  • Vehicle key programming
  • Workout data tracking
  • Health monitoring (heart rate, SpO2, sleep)
  • Smartwatch app management
  • VIN purchase for expanded support
Features
Read full description

Autel Link is a management app for the OTOFIX WATCH, which is primarily used to activate vehicle key function of the watch. The OTOFIX WATCH is a programmable smart watch that integrates the functions of an automotive smart key and a smart watch. With Autel Link, you can duplicate the functions of your existing automotive smart key to control your vehicle on the OTOFIX WATCH or via the app. 1. Easy programming: adding your 3rd vehicle key easily Autel Link with VCI provides easy programming for your OTOFIX WATCH, supporting 80% of mainstream smart key-equipped models. 2. Workout records: recording your workout data In combination with the OTOFIX WATCH, Autel Link accurately records your workout data such as trajectory, distance and pace. 3. Health management: monitoring your heart rate, SpO2, sleep, etc. With OTOFIX WATCH data access, Autel Link renders your real-time health data such as heart rate, SpO2, sleep, etc. 4. Connection with OTOFIX WATCH: acting as your watch manager After pairing with the OTOFIX WATCH, Autel Link allows management of the apps on the watch such as Face Gallery, Alarm, Contacts, Weather and Vehicle Key. 5. VIN purchase: increasing the number of VINs Autel Link provides VIN purchase, allowing you to increase the number of VINs supported by your OTOFIX WATCH.

About

Shrink PDF Email

Features
Read full description

Make large PDFs small enough to email — in seconds. Shrink PDF Email reduces file sizes so you can send documents without hitting attachment limits. It works especially well with scanned contracts, reports, forms, and image-heavy PDFs, while intelligently preserving selectable text when a digital PDF is already efficiently encoded. Everything happens on your device. No accounts. No uploads. No cloud links. Your files stay private. Built for real-world email limits Shrink PDFs that are too large for Gmail, Outlook, and other email services. Fast and simple * Select a PDF * Choose a compression level * See exactly how much space you saved * Share your smaller file Smarter compression Shrink PDF Email automatically handles different types of PDFs differently. Scanned and image-heavy PDFs can be reduced aggressively, while digital PDFs are preserved when further compression would risk damaging selectable text or quality. Compression options for every need * Smallest File — maximum size reduction * Balanced — smaller size with good quality * High Quality — reduced size with more detail * Max Quality — minimal reduction with maximum clarity Private by design Your PDFs never leave your device. No servers. No accounts. No tracking. Works best with * Scanned documents * Image-heavy PDFs * Large reports * Forms * Contracts * Email attachments Stop fighting “file too large” errors. Shrink your PDFs and send them.

Screenshots

Autel Link4 screens
Shrink PDF Email4 screens

Verdict

The call

The clearest difference is price: Autel Link at Free against Shrink PDF Email's $2.99. Autel Link also leads on update cadence (every 3 weeks vs every 7 months) and iOS requirement (10.0 vs 17.6). Shrink PDF Email's advantage is in-app purchases (none vs 10). On ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Autel Link is free to download; Shrink PDF Email costs $2.99 up front. Autel Link sells 6 one-off in-app purchases. Shrink PDF Email asks for nothing beyond the download.

UpkeepUpdate frequency

Autel Link ships an update every 3 weeks, Shrink PDF Email every 7 months. The most recent releases landed on October 20, 2026 and October 29, 2026 respectively.

Scorecard4 real differences · 6 level
Autel Link versus Shrink PDF Email: the parameters behind the verdict, then further details
ParameterAutel LinkShrink PDF Email
PriceFree — better$2.99
Rating2.7 (3 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 3 weeks — betterEvery 7 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPod — betteriPhone
Requires iOS10.0 — better17.6
Further details — not scored
Size151 MB2 MB
Age rating4+4+
DeveloperAutel Intelligent Technology Co., Ltd.OpsOh LLC

In-app purchases

6 purchases

Autel Link

One-time6
  • 1VIN$13.99
  • 1VIN2 variants$14.99
  • 3VIN$36.99
Show 3 more
  • 3VIN2 variants$39.99
  • 5VIN$54.99
  • 5VIN3 variants$59.99
None

Shrink PDF Email

No in-app purchases

Questions

Is Autel Link free?
Autel Link is free to download, with in-app purchases available.
Is Shrink PDF Email free?
Shrink PDF Email costs $2.99, with no in-app purchases.
Do Autel Link or Shrink PDF Email have ads?
Neither Autel Link nor Shrink PDF Email shows ads.
Which is updated more often, Autel Link or Shrink PDF Email?
Autel Link ships an update every 3 weeks, and Shrink PDF Email every 7 months. Most recently, Autel Link was updated on October 20, 2026 and Shrink PDF Email on October 29, 2026.

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