Simple Scales vs FastBit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple Scales
Manually log your weight and have it securely stored in your device's health data. This app also calculates and saves your Body Mass Index, simplifying health data tracking.
- Manual weight entry
- HealthKit integration
- Body Mass Index calculation
- Secure data storage
- Regular health data tracking
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Simple Scales is the quickest way to track your body measurements in Apple Health. Save readings from traditional bathroom scales using your iPhone, iPad, or Apple Watch. Support for Weight, BMI, Height, Body Fat Percentage, Lean Body Mass, and Waist Circumference in Imperial and Metric. Large, clear numbers and simple controls make each entry easy. Slide the ruler, use large buttons, or turn the Digital Crown on Apple Watch, then tap to save. Choose your preferred units and keep just the measurements you use in view. Keep your latest readings close with Widgets and Complications, and make Simple Scales part of your routine with Shortcuts. Built with privacy in mind: Simple Scales never collects or tracks your personal health measurements.
FastBit
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The FastBit is a native iOS app, helping you track your fasting. With predefined fasting ranges and the custom range, you are able to tailor your strategy to your very needs. Please be aware that fasting can be a very powerful tool with the potential to improve your health, but always consult your intentions with a medical professional. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms & Conditions: https://fastbit.app/terms.html Privacy Policy: https://fastbit.app/privacy.html
Screenshots
Verdict
The clearest difference is price: FastBit at Free against Simple Scales's $0.99. FastBit also leads on iOS requirement (17.6 vs 26.6). On update cadence, ads, in-app purchases 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
FastBit is free to download; Simple Scales costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 8 months. The most recent releases landed on October 12, 2026 and October 1, 2026 respectively.
| Parameter | Simple Scales | FastBit |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 3.9 (516 ratings) — better | — |
| Positive reviews | 53.3% of reviews | — |
| Number of ratings | 516 — better | — |
| Update frequency | Every 8 months | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, Apple Watch |
| Requires iOS | 26.6 | 17.6 — better |
| Further details — not scored | ||
| Size | 58 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Toast Studio Australia | Martin Stanek |
Bugs and requests
Simple Scales
Reported bugs
12 issues- Can only set weight in certain increments
- Doesn't show history
- Doesn't show how far you have come
- Apple Watch complication is useless
- Wouldn't weigh
Show 7 moreShow fewer
- Not letting me do anything but enter weight
- No direct link to change units
- Apple Watch app not working
- Apple Watch app loads but has a blank line
- Will not work on Apple Watch
- Crashes constantly
- Almost never loads on the Apple Watch
Requested features
7 requests- Show history
- Graph of progress
- Show healthy BMI range
- Direct link to change units
- Apple Watch complication to convey information
Show 2 moreShow fewer
- Fix crashing issues
- Fix Apple Watch loading issues
FastBit
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Simple Scales
No in-app purchases
FastBit
No in-app purchases
Questions
Is Simple Scales free?
Is FastBit free?
Do Simple Scales or FastBit have ads?
Which is updated more often, Simple Scales or FastBit?
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