Tern vs Linea
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tern
This app automatically tracks your walking, cycling, or running commutes using AI and phone sensors. Monitor your progress, compete on CO2 leaderboards, and join challenges for rewards from sustainable brands. It's a free way to fight climate change with active transportation.
- Automatic commute detection (walk, cycle, run)
- AI-powered tracking
- Real-time progress monitoring
- CO2 leaderboards (workplace & city)
- National challenges with rewards
- Sustainable brand partnerships
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Like a step counter Tern automatically detects when you cycle, walk or run to work using AI and the sensors in your phone. Track your progress in real time and move up the CO2 leaderboards for your workplace and city. Visit the challenge section to join national challenges and win rewards from sustainable brands. Lets fight climate change with a bicycle and a pair of trainers, download and create your profile now, it's free!
Linea
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The LINEA app is a powerful companion during your LINEA clear aligner treatment. - Receive appointment reminders & treatment updates - Upload progress photos which will be reviewed by Linea’s clinical team - Chat with local customer care 7 days a week - Receive notifications to change aligners - View past and future appointments - Interact with your treatment plan, a 3D simulation of your smile transformation
Screenshots
Verdict
The clearest difference is update cadence: Linea at every 3 weeks against Tern's every 6 months. Tern's advantage is iOS requirement (11.0 vs 15). 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.
Tern ships an update every 6 months, Linea every 3 weeks. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.
| Parameter | Tern | Linea |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 6 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 — better | 15 |
| Further details — not scored | ||
| Size | 18 MB | 79 MB |
| Age rating | 4+ | 17+ |
| Developer | Albert Still | Linea Official Pty Ltd |
In-app purchases
Tern
No in-app purchases
Linea
No in-app purchases
