Auto Agent vs ProEFI Logger
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Auto Agent
Monitor, diagnose, and update your vehicle's software remotely. This powerful tool allows you to view live data, read and clear diagnostic codes, and record data for your technician. Connect directly with your mechanic for remote assistance and software updates, saving you trips to the repair shop.
- Display live vehicle data
- Read and clear diagnostic trouble codes
- Create and playback data recordings
- Send data recordings to technician
- Remote technician assistance
- Install vehicle software updates
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The EZ LYNK Auto Agent combines function and convenience, revolutionizing the way you monitor, diagnose, and update your vehicle's software. Carry the automobile industry's most powerful tool in your pocket. - Display your vehicle's live data - Read and clear Diagnostic trouble codes - Create data recordings that can be played back at your convenience - Send data recordings to your chosen technician - Connect your technician to your automobile for remote assistance - Save yourself trips to your repair facility by allowing your technician to access your vehicle's data port - Install vehicle software updates sent directly to you from your chosen technician
ProEFI Logger
This application serves as a CAN logger specifically designed for ProEFI ECUs. It allows users to record and analyze data from their ProEFI engine control units.
- CAN logging
- ProEFI ECU compatibility
- Data recording
- Data analysis
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CAN logger for ProEFI ECU's.
Screenshots
Verdict
The clearest difference is review sentiment: Auto Agent at 74% against ProEFI Logger's 0%. Auto Agent also leads on rating (4.9 vs 2.0) and ratings volume (42K vs 1). ProEFI Logger's advantage is in-app purchases (none vs 6) and update cadence (monthly vs every 3 months). On price, 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
Both are free to download. Auto Agent sells 6 one-off in-app purchases. ProEFI Logger asks for nothing beyond the download.
Auto Agent holds the better App Store score, 4.9 against 2.0. That said, the two scores are not equally well evidenced: Auto Agent has 42K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 74% of Auto Agent's written reviews are positive against 0% of ProEFI Logger's.
Auto Agent ships an update every 3 months, ProEFI Logger monthly. The most recent releases landed on October 14, 2026 and October 5, 2026 respectively.
| Parameter | Auto Agent | ProEFI Logger |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (42K ratings) — better | 2.0 (1 ratings) |
| Positive reviews | 74.4% of reviews — better | 0.0% of reviews |
| Number of ratings | 42K — better | 1 |
| Update frequency | Every 3 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 12.2 — better |
| Further details — not scored | ||
| Size | 53 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | EZ LYNK | Teslogic, Inc. |
Customer experience
Auto Agent
ProEFI Logger
Bugs and requests
Auto Agent
Reported bugs
5 issues- App crashes and freezes
- Disconnection issues with the device
- Tune files disappearing or becoming inaccessible
- Compatibility problems with iOS 14 updates
- Unreliable Wi-Fi connectivity
Requested features
5 requests- Native support for Apple CarPlay
- More customization options for gauges and titles
- Ability to monitor more parameters
- Improved GPS speed accuracy
- Sound alerts for warning indicators
ProEFI Logger
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Auto Agent
- 1 credit$1.99
- 5 credits$9.99
- 10 credits$19.99
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- 20 credits$39.99
- 50 credits$99.99
- 100 credits$199.99
ProEFI Logger
No in-app purchases
Questions
Is Auto Agent free?
Is ProEFI Logger free?
Which has better reviews, Auto Agent or ProEFI Logger?
Do Auto Agent or ProEFI Logger have ads?
Which is updated more often, Auto Agent or ProEFI Logger?
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