Libra alternative for iPhone and Android: Trendcurve

In short

Libra is available for Android and now also for iPhone; the free version shows ads, and your data is also stored in the Libra Cloud. Trendcurve is an alternative for iPhone and Android without an account and without ads that keeps your weigh-ins on your device and imports the CSV file from Libra.

The information about Libra comes from its official website and store listings (sources below) and may change at any time. Prices vary by country. Where we found nothing, the table says "no information found".

Trendcurve and Libra at a glance

Feature Trendcurve Libra
Platforms iPhone and Android Android, iPhone and iPad, Mac with Apple silicon
Trend calculation Four methods to choose from: exponential smoothing (default), 7-day or 14-day moving average, double exponential smoothing Exponential smoothing, strength adjustable (default: 7 days)
Import and export Import of CSV files from Happy Scale, Libra, openScale and Excel plus Trendcurve backups; export as CSV and JSON, both free Import and export as CSV
Forecast Goal date from your current weekly rate, planned vs. measured (Pro) Yes: linear regression over the trend values (default: 7 days)
Goal Lose, gain or maintain, with a target pace and a maintenance corridor Yes: goals with estimated results
Medication tracking Dose markers and a weekly injection reminder (free), weekly rate per dose level (Pro) no information found
Health apps iPhone: read from and write back to Apple Health; Android: Health Connect iPhone: Apple Health; Withings scale directly; Android: no information found
Pricing Free; Pro as a monthly or yearly subscription or a one-time purchase Free with ads; Pro without ads in the US App Store for $1.99 a month or $17.99 a year
Languages 10 languages: German, English, French, Spanish, Italian, Portuguese, Dutch, Swedish, Norwegian, Danish App Store: English; Google Play: no information found
Privacy approach No account, no own server, no ads; weigh-ins stay on your device. On iPhone an optional backup to your own iCloud account (Pro) Libra Cloud account: according to the developer, profile and weight history are also stored on its servers; online backups and sync

Where Libra is stronger

  • Syncs your data in real time across several devices and backs it up online.
  • Connects directly to a Withings scale.
  • You can share your chart with friends, and Pro gives you access to an API.
  • The smoothing strength can be fine-tuned in the settings.

What Trendcurve does differently

  • No account and no own server: your weigh-ins stay on your device, and there are no ads.
  • Four trend methods to choose from, with pros and cons explained in the app.
  • Free medication tracking for a weekly medication, with dose markers and a reminder on injection day.
  • Experiments and markers, a maintenance corridor and milestones with a share image.
  • Available in ten languages, including German, French and Spanish.

Which app is right for you?

Libra is the better fit if you want your data synced across several devices, want to connect a Withings scale directly or want to share your chart with friends.

Trendcurve is the better fit if you do not want to create an account and want your weigh-ins only on your device, do not want to see ads, or want to track a weekly medication.

How to move your data from Libra

  1. In Libra, export your data as a CSV file. According to the developer, Libra uses this format for manual import and export.
  2. Install Trendcurve and open "Settings & more", then "Export, backup & import".
  3. Tap "Import file" and pick the CSV file. Trendcurve recognises the Libra format, converts pounds and skips duplicate entries.
  4. Trendcurve recalculates the trend from your weigh-ins, using the method you choose in the app.

Try it first: load your CSV file into the free trend weight calculator. It analyses the file right in your browser, nothing is uploaded.

Open the trend weight calculator

Try Trendcurve for free

For iPhone and Android, no account needed. Your weigh-ins stay on your device.

Download on the App Store Get it on Google Play

Frequently asked questions

Yes. According to the developer, Libra is available for Android and on the App Store for iPhone, iPad and Mac with Apple silicon. If you are looking for an alternative without an account and without ads: Trendcurve runs on iPhone and Android and keeps your weigh-ins on your device.

Yes. Export your data in Libra as a CSV file and import it in Trendcurve under "Settings & more", "Export, backup & import". Trendcurve recognises the format, converts pounds and skips duplicate entries.

Similarly. Libra uses exponential smoothing with an adjustable strength. Trendcurve also uses exponential smoothing by default and additionally offers the 7-day and 14-day moving average and double exponential smoothing. Because the parameters can differ, the curves may differ slightly.

No. Trendcurve has no account and no own server, your weigh-ins stay on your device. According to the developer, Libra also stores your profile and weight history in the Libra Cloud.

Both apps can be used for free. Libra shows ads in the free version; in the US App Store, Pro costs $1.99 a month or $17.99 a year. Trendcurve shows no ads; Pro is available as a monthly or yearly subscription or a one-time purchase, and you can see the current prices in the app, on the App Store and on Google Play.

Sources

Checked in October 2026. All information about Libra comes from these pages:

Trademarks belong to their owners. Trendcurve is not affiliated with Libra or Daniel Cachapa.

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