Tesla One vs ISTFA 2026
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tesla One
This app helps Tesla employees and partners manage daily operations, including customer education and support. It's also used by certified installers and electricians for preparing, installing, and commissioning Tesla products.
- Manage daily operations
- Customer education
- Customer support
- Prepare installations
- Install and commission products
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Tesla One is for Tesla employees and partners to manage their daily operations and functions. Tesla employees can manage their daily operations ranging from customer education to customer support. Certified installers, partners, electricians, and Tesla employees can use Tesla One to prepare, install, and commission. Important: This app is designed exclusively to support Tesla Employees, certified installers, and partners.
ISTFA 2026
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The event app allows attendees to navigate the event and network with attendees as well as create personal schedules. The International Symposium for Testing and Failure Analysis - ISTFA is the premier event for the microelectronics failure analysis community, organized by EDFAS and ASM International.
Screenshots
Verdict
The clearest difference is iOS requirement: ISTFA 2026 at 13.0 against Tesla One's 16.4. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Tesla One | ISTFA 2026 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (309 ratings) — better | — |
| Positive reviews | 21.5% of reviews | — |
| Number of ratings | 309 — better | — |
| Update frequency | Every 6 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 13.0 — better |
| Further details — not scored | ||
| Size | 289 MB | 74 MB |
| Age rating | 4+ | 17+ |
| Developer | Tesla, Inc. | Bravura Technologies LLC. |
Bugs and requests
Tesla One
Reported bugs
14 issues- App freezes on Face ID authentication screen
- Crashes when scanning QR codes or barcodes
- Unable to access jobs/equipment on install screen (iPhone)
- App fails to connect to Powerwalls and wall connectors
- Barcode scanning functionality unreliable
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- Phase detection failures during commissioning
- App not saving device information after failed setup attempts
- Login credentials rejected despite correct username/password
- Mobile badge feature missing on iPhone despite rollout promises
- Grid charging settings being reset unexpectedly
- WiFi connection lost immediately after configuration
- App unresponsive when selecting products (e.g., Powerwall)
- Clock in/punch functionality not working properly
- App not refreshing on Tesla WiFi or mobile data
Requested features
10 requests- Restore web interface for direct IP address access
- Offline mode for clocking in/out without WiFi
- Remove location permission requirement for time punch
- Simplify login process with clearer instructions
- Add troubleshooting video content
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- Restore granular backup reserve percentage control
- Enable consumer/homeowner access without employee credentials
- Improve WiFi network compatibility (WPA3 support)
- Integrate scheduling functionality into main Tesla app
- Mobile badge functionality for iPhone users
ISTFA 2026
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Tesla One
No in-app purchases
ISTFA 2026
No in-app purchases









