Fast Tracker vs JunkBack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fast Tracker
This app simplifies intermittent fasting by allowing users to set custom fasting and eating windows. It provides timely alerts and tracks weight progress, making it ideal for beginners. It helps manage your fasting schedule with ease.
- Customizable fast and eating windows
- Fasting and eating period timers
- Start and finish fasting alerts
- Weight tracking for progress
- Simple and easy to use interface
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FastTrack is the world's most simple and flexible fasting tracker. Perfect for those beginning intermittent fasting and looking for a place to start. Choose your fast length and the app will time your fasts and eating periods. - Simple and easy to use - Pick when to start fasting and eating periods - Alerts to remind you when to start and finish fasting - Weight tracking to view your progress over time This is the easiest fast tracker to use if you're just starting out fasting. Simply tell the app when you start and stop eating and it will automatically track your fasts, notifying you when you should begin and end fasting according to your schedule. Studies have shown that Intermittent fasting may help you burn fat, build muscle, reduce oxidative stress and inflammation, and prevent many diseases. Consult a doctor before beginning any new diet program. See terms of service here: https://www.appfactoryfitness.com/terms-of-service/fasttrack-terms-of-service
JunkBack
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JunkBack keeps trainers and clients on the same schedule. FREE TRAINER SCHEDULING Trainers can add clients, create session packages, assign or move slots, accept scheduling requests, record the workout completed, and see who is due for renewal. Clients get a complete session calendar with what is finished, what is booked next, and how many sessions remain. They can request an available trainer slot, ask to cancel with a reason, and review the workout recorded for every completed session. FOOD AND WORKOUT LOGGING Log food manually with a quick line such as “chai 120”, and log workouts by exercise, activity, and duration. Manual food logging, workout logging, trainer scheduling, packages, reminders, and session history are free. OPTIONAL AI CALORIE SCANNING Photograph a plate or restaurant bill to estimate calories. Only AI photo scanning requires a subscription: $4.99 per month after a 14-day free trial. Payment is charged to your Apple ID at confirmation. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Your Apple ID is charged for renewal within 24 hours before the current period ends. Manage or cancel it in your Apple ID subscription settings. Use JunkBack with a trainer through a six-character invite code, or use the food and workout log on your own. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://junkback.desilabs.in/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: JunkBack at none against Fast Tracker's 1. On price, update cadence, ads 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. Fast Tracker sells 1 in-app purchase, starting at $2.99 per month. JunkBack asks for nothing beyond the download.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 28, 2026 and September 26, 2026 respectively.
| Parameter | Fast Tracker | JunkBack |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (430 ratings) — better | — |
| Positive reviews | 85.7% of reviews | — |
| Number of ratings | 430 — better | — |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 6 MB | 48 MB |
| Age rating | 4+ | 17+ |
| Developer | App Factory, LLC | Nityananda Gohain |
Bugs and requests
Fast Tracker
Reported bugs
4 issues- Weight input only accepts first 3 digits despite decimal point display
- Username validation prevents review submission
- Cannot retrieve fasting history without premium after update
- Unable to edit start time without paid subscription
Requested features
9 requests- Water intake tracking
- Extended fasting support (36+ hours, multi-day fasts)
- Calendar view for planning future fasts
- 30-minute pre-fast end notifications
- Ability to edit weight entries
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- Ability to edit fast start times
- Support for 5/2 fasts and quarterly fasting plans
- Decimal precision for weight tracking
- Diet and fasting tips/guidance
JunkBack
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Fast Tracker
- FastTrack Premium Access7 Days trial$2.991 Month
JunkBack
No in-app purchases
Questions
Is Fast Tracker free?
Is JunkBack free?
Do Fast Tracker or JunkBack have ads?
Which is updated more often, Fast Tracker or JunkBack?
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