Editor's pick

Best offline fitness tracker apps, 2026

Most fitness apps stop working the moment you lose signal, then ask for a subscription and an account before they'll save your data at all. The trackers here flip that: every set, run, climb, and meal lives on your iPhone, with no login and nothing synced to a server. Ironlog logs your lifts and surfaces last session's numbers plus automatic PRs and a plate calculator; PocketPlate searches a bundled 15,000-food database to count calories without phoning home; Tortoise advances its Couch-to-5K only when your Apple Watch heart rate stayed in range; and Sendlog, Baseweight, and Bikebook cover climbing, ultralight pack weight, and chain-wear maintenance for the trailheads and crags where there's no Wi-Fi anyway.

How to choose an offline fitness tracker

"Offline" is easy to claim and easy to fake: many apps work without signal for a session, then refuse to save until you sign in and sync. Before you commit a year of training data to an app, check four things:

  1. 1. Does it save without an account?

    Install it in airplane mode and log a workout. If it asks you to create an account first, it is not offline; it is cached. The apps on this page store every set, run and meal on the phone with no login.

  2. 2. Is the food or exercise database bundled?

    A calorie tracker that looks up every food online is useless at a trailhead café. Look for a bundled database (PocketPlate ships 15,000 foods on-device) or a lift log that does not need a server to know what a barbell is.

  3. 3. Can you get your data out?

    Free is only free if the export works. Check for CSV or a plain-file export before you have six months of PRs locked inside an app you cannot leave.

  4. 4. What is the recurring cost?

    Subscriptions in this category run $60 to $120 a year, usually for coaching and social features. If what you want is a log, pay once or nothing. Every app on this page is free or a one-time purchase.

  1. Ironlog icon
    TestFlight beta Health And Fitness

    Ironlog

    Strength log & PR tracker, offline

    Does:
    workout tracker & PR log
    Price:
    Free, no subscription
    Offline:
    Yes
    Account:
    None

    Read the full app page →
  2. PocketPlate icon
    TestFlight beta Health And Fitness

    PocketPlate

    Offline calorie & macro log

    Does:
    calorie & macro tracker
    Price:
    Free, no subscription
    Offline:
    Yes
    Account:
    None

    Read the full app page →
  3. Tortoise icon
    TestFlight beta Health And Fitness

    Tortoise

    Couch to 5K that lets you actually finish.

    Does:
    couch to 5K run trainer
    Price:
    Free, no subscription
    Offline:
    Yes
    Account:
    None

    Read the full app page →
  4. Sendlog Climbing Log icon
    TestFlight beta Health And Fitness

    Sendlog Climbing Log

    Private climbing log + hangboard timer

    Does:
    climbing logbook
    Price:
    Free, no subscription
    Offline:
    Yes
    Account:
    None

    Read the full app page →
  5. Baseweight icon
    TestFlight beta Health And Fitness

    Baseweight

    Offline ultralight gear & pack weight

    Does:
    backpacking pack weight calculator
    Price:
    Free, no subscription
    Offline:
    Yes
    Account:
    None

    Read the full app page →
  6. Bikebook Wrench Log icon
    TestFlight beta Health And Fitness

    Bikebook Wrench Log

    Offline bike + chain wear log

    Does:
    bike maintenance & chain wear log
    Price:
    Free, no subscription
    Offline:
    Yes
    Account:
    None

    Read the full app page →

FAQ

Do these apps actually work offline? ▾

Yes. Every app on this list stores your data on-device and runs without an internet connection. PocketPlate even bundles its ~15,000-food database locally so searches work with no signal, and Baseweight loads your gear library instantly at a no-signal trailhead. There's no cloud round-trip for normal use.

Are they free, and do they require an account? ▾

None of these apps require an account, a login, or a subscription, and there's no social feed or ads. They keep your training data private on your phone. These apps are currently in TestFlight beta, so you join through TestFlight rather than buying on the App Store.

Which app should I pick for my sport? ▾

Match the app to what you track: Ironlog for strength training and PRs, PocketPlate for calories and macros, Tortoise for a heart-rate-paced Couch-to-5K, Sendlog for bouldering and route climbing plus a hangboard timer, Baseweight for ultralight backpacking pack weight, and Bikebook for bike maintenance and chain-wear tracking.

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