Comparison

LightFasting vs OnionTimer · Time/Rep + Voice

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

Head to head
About

LightFasting

This app offers a scientific approach to weight loss by guiding users through a slightly high-intensity diet. It includes tools for calorie conversion, calculating ideal weight, basal metabolic rate, and BMI, along with tracking weight changes and energy intake.

Highlights
  • High-intensity diet guidance
  • Calorie and Joule conversion
  • Standard weight calculator
  • Basal metabolic rate calculator
  • Body mass index calculator
  • Energy intake tracking
  • Weight change tracking
Features
Read full description

If you can't stick to the exercise, what if you can't see the effect of dieting? Use the "Light Diet" App to help you lose weight faster and more scientifically. -- Traditional dieting specifies the length of time by timer, but it is not only inefficient, but also needs to keep an eye on the time. It is easy for people to give up halfway because of too much trouble. Light dieting is different. Light dieting on a daily basis can effectively reduce the weight of people with excessive daily energy intake through a slightly high-intensity diet. Believe that as long as you persist, you will be able to get rid of the harm of overweight! The product also includes the following extension tools: Calorie Joule conversion (the energy on the bottle bag can finally be easily converted) Standard weight calculator Basal metabolic rate calculator Body mass index calculator Energy intake record Weight change record

About

OnionTimer · Time/Rep + Voice

This app provides a professional at-home training assistant for various fitness routines. It offers multi-round circuits, dual time and count modes, customizable rest periods, and voice guidance. Track your progress with detailed data insights and enjoy a distraction-free, ad-free experience.

Highlights
  • Multi-round circuits for HIIT and Tabata
  • Dual time and count modes
  • Customizable rest periods
  • Voice guidance for workout changes
  • Haptic feedback for silent alerts
  • Detailed data tracking and progress insights
  • Ad-free experience
Read full description

OnionTimer – Your Professional At‑Home Training Assistant Core Features • Multi-Round Circuits: Perfect for HIIT, Tabata, and other structured interval formats • Dual Modes: Time Mode for planks, yoga holds, stretches; Count Mode for push-ups, squats, and other strength movements • Set Management: Customize rest between sets; auto-advance keeps training flow uninterrupted • Voice Guidance: Action changes, rest alerts, and set counts—eyes & hands stay on form • Haptic Feedback: Stay informed in silent environments without disturbing others • Data Tracking: Every set recorded with detailed progress insights Training Scenarios • HIIT (High-Intensity Interval Training) • 4‑Minute Tabata Protocol • Yoga / isometric hold timing • Strength training set management • Mobility & post-session stretching • Functional conditioning circuits Distinct Advantages • Modern & Minimal: Clean, intuitive, distraction-free interface • Precision Timing: Second-accurate engine ensures consistent pacing • Data Privacy: Stored locally (or via your personal WebDAV) for full control • Dark Mode: Light / dark themes for day & night comfort • Ad-Free: Pure focus—no interruptions Perfect For • Home fitness plans • Yoga studio session structuring • Rehab & recovery progression • Personal coaching templates • And more waiting for you to unlock Whether you’re dialing in explosive HIIT intervals, running Tabata rounds, or holding steady yoga poses, OnionTimer adapts to your rhythm. Smart rest handling plus clear voice prompts let you focus on movement quality—not on watching the clock. Start now—make every set more focused, more efficient, more intentional. We’d love to hear from you. Your feedback matters: Email: support@momastudio.site Xiaohongshu: @Dulk

Screenshots

LightFasting4 screens
OnionTimer · Time/Rep + Voice4 screens

Verdict

The call

The clearest difference is in-app purchases: LightFasting at none against OnionTimer · Time/Rep + Voice's 1. LightFasting also leads on review sentiment (83% vs 50%) and price ($0.99 vs $3.99). OnionTimer · Time/Rep + Voice's advantage is update cadence (fortnightly vs every 2 months). On ads and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

LightFasting costs $0.99 and OnionTimer · Time/Rep + Voice $3.99 up front. OnionTimer · Time/Rep + Voice sells 1 one-off in-app purchase. LightFasting asks for nothing beyond the download.

UpkeepUpdate frequency

LightFasting ships an update every 2 months, OnionTimer · Time/Rep + Voice fortnightly. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

Scorecard6 real differences · 4 level
LightFasting versus OnionTimer · Time/Rep + Voice: the parameters behind the verdict, then further details
ParameterLightFastingOnionTimer · Time/Rep + Voice
Price$0.99 — better$3.99
Rating5.0 (1 ratings) — better—
Positive reviews83.3% of reviews — better50.0% of reviews
Number of ratings1 — better—
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidPaid
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone
Requires iOS14.0 — better16.0
Further details — not scored
Size44 MB36 MB
Age rating12+4+
Developer兴龙 张超纯 邓

Customer experience

LightFasting

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive83.3%
Neutral16.7%
Negative0.0%

OnionTimer · Time/Rep + Voice

Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

In-app purchases

None

LightFasting

No in-app purchases

1 purchases

OnionTimer · Time/Rep + Voice

One-time1
  • 终身会员$3.99

Questions

Is LightFasting free?
LightFasting costs $0.99, with no in-app purchases.
Is OnionTimer · Time/Rep + Voice free?
OnionTimer · Time/Rep + Voice costs $3.99, and also offers in-app purchases.
Do LightFasting or OnionTimer · Time/Rep + Voice have ads?
Neither LightFasting nor OnionTimer · Time/Rep + Voice shows ads.
Which is updated more often, LightFasting or OnionTimer · Time/Rep + Voice?
LightFasting ships an update every 2 months, and OnionTimer · Time/Rep + Voice fortnightly. Most recently, LightFasting was updated on October 2, 2026 and OnionTimer · Time/Rep + Voice on October 7, 2026.

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