Comparison

Ambryx vs Bubbles

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Ambryx

Features
Read full description

Ambryx is a private walking companion for iPhone and Apple Watch. It is built to help you walk with a plan and finish with momentum through smart goals, real-time sessions, and cross-device progress visibility. Ambryx focuses on everyday consistency: - Goals that feel achievable and motivating - Real-time walking sessions with clear live metrics - Visibility across the surfaces you already check all day - Recovery for walks you forgot to start manually WHAT YOU CAN DO WITH AMBRYX Build a goal system that works for your life - Choose daily goals from beginner to ambitious ranges - Get automatic weekly targets and helpful progress context - Update your goals anytime as your routine changes Track active walks in real time - Start a walk on iPhone or Apple Watch - See live elapsed time, steps, distance, and workout progress - Finish with an immediate summary so progress feels concrete Train with Japanese interval walking - Structured workout mode designed to boost your walking fitness - Configure custom intervals with fast and easy phases - Get real-time pace coaching with distinct audio cues - Perfect for tempo training and building endurance Get credit for forgotten walks - Ambryx detects qualifying walks you did not manually start - Review detected walks in a clean prompt flow - Save or decline each walk without clutter See progress everywhere - Day, week, and month progress views in the app - Home Screen and Lock Screen widgets - Live Activity and Dynamic Island updates during active sessions - Apple Watch companion experience with synced progress - Watch complications for quick glance updates Stay supported without notification overload - Goal reminders and activity nudges - Quiet Hours controls for better timing and less noise - Clear permission and recovery flows when settings need attention Designed with privacy at the center - Your health data stays in Apple Health and your iCloud account - No third-party data sharing for your walk history - Data access is controlled by the Health permissions you choose Ambryx is for people who want a practical, reliable walking system they can actually stick with. https://isolift.app/ambryx/privacy

About

Bubbles

Features
Read full description

What if your steps kept a tiny fish alive? Bubbles is a pet fish powered by your real walks. Every step feeds it, cheers it up, and unlocks new worlds. Bubbles isn't just an app. It's a tiny companion who needs you. Every step you take in the real world powers Bubbles, keeps the water glowing, and helps your fish thrive. Move more, and Bubbles lights up. Slow down, and Bubbles will miss you. Caring for Bubbles is simple and joyful: - Feed your fish fresh food every day - Keep the water crystal clear to swim in - Watch Bubbles react to your real-world movement - Build a caring streak you'll want to protect - Earn achievements as your bond grows - Unlock beautiful new worlds to explore together Bubbles turns walking into something you actually look forward to. No pressure, no guilt, no complicated charts. Just a sweet little fish who's happier every time you move. Your steps come from Apple Health and stay private. Meet your pet fish worth walking for. Terms of Use (EULA): https://bubbles.fit/legal/terms Privacy Policy: https://bubbles.fit/legal/privacy

Screenshots

Ambryx4 screens
Bubbles4 screens

Verdict

The call

The clearest difference is update cadence: Bubbles at every 8 days against Ambryx's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Ambryx sells 2 one-off in-app purchases and Bubbles sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Ambryx ships an update monthly, Bubbles every 8 days. The most recent releases landed on September 11, 2026 and September 8, 2026 respectively.

Scorecard1 real difference ยท 5 level
Ambryx versus Bubbles: the parameters behind the verdict, then further details
ParameterAmbryxBubbles
PriceFreeFree
Update frequencyMonthlyEvery 8 days โ€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, Apple WatchiPhone, iPad, Apple Watch โ€” better
Requires iOS18.618.0 โ€” better
Further details โ€” not scored
Size23 MB24 MB
Age rating4+12+
DeveloperIso Lift, LLCSunil PM

In-app purchases

2 purchases

Ambryx

One-time2
  • Ambryx Free TrialFree
  • StrideFlow Pro$2.99
2 purchases

Bubbles

Subscriptions2
  • Monthly Premium3 Days trial$4.991 Month
  • Yearly Premium3 Days trial$29.991 Year

Questions

Is Ambryx free?
Ambryx is free to download, with in-app purchases available.
Is Bubbles free?
Bubbles is free to download, with in-app purchases available.
Do Ambryx or Bubbles have ads?
Neither Ambryx nor Bubbles shows ads.
Which is updated more often, Ambryx or Bubbles?
Ambryx ships an update monthly, and Bubbles every 8 days. Most recently, Ambryx was updated on September 11, 2026 and Bubbles on September 8, 2026.

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