BumpWeight vs Shell & Scale
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BumpWeight
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BumpWeight helps you track your weight loss progress with clear trend charts, BMI tracking, goal setting, and smart weekly analysis. Key Features: • Quick Weight Logging — Record your weight in under 5 seconds • Goal Setting — Set your target weight and track your progress percentage • Trend Charts — View 7-day, 30-day, 90-day, and all-time weight trends • Smart Insights — Weekly loss rate analysis with projected goal date • BMI Tracking — See your current BMI and healthy weight range • Healthy Tips — Evidence-based weight management guidance from CDC/WHO • Unit Support — Switch between metric (kg/cm) and imperial (lbs/in) • Privacy First — All data stored locally on your device, no account required • Export — Share your weight data via CSV export BumpWeight is designed to be the simplest, most beautiful weight tracker on the App Store. No ads, no subscriptions for core features, no complicated calorie counting — just pure weight tracking done right. Disclaimer: BumpWeight is an informational tool and does not provide medical advice. Consult a healthcare professional before starting any weight loss program.
Shell & Scale
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See the trend. Keep the ritual gentle. Shell & Scale is a focused daily weight tracker built to make check-ins feel clear, calm, and satisfying. Log one number, understand how it changes over time, and let a curious sea turtle add a little personality—without turning your health data into a game you can fail. WEIGHT TRACKING THAT STAYS CLEAR • Record in pounds or kilograms • Review 7-day, 30-day, 90-day, or all-time trends • Inspect individual entries on an interactive chart • Edit or delete any check-in • Explore your history with a check-in calendar • Export your complete history as CSV DESIGNED FOR REAL DAILY FLUCTUATIONS A single reading is context, not a verdict. Shell & Scale emphasizes the longer trend and uses neutral language whether your weight moves up, down, or stays steady. CHOOSE HOW MUCH YOU SEE Exact mode shows readings and changes. Gentle mode keeps the trend central. Blind mode lets you log without seeing numbers or direction. A COMPANION, NOT A COACH Name your turtle and reveal small reactions, keepsakes, and environments as you keep checking in. Rewards celebrate participation—never weight loss—and missed days carry no guilt. PRIVATE BY DESIGN No account. No advertising. No analytics profile. Weight history stays on your iPhone. You can export it or erase it whenever you choose. Try the complete experience for seven check-ins. Continue with monthly, annual, or lifetime access. Your saved history remains visible and exportable even if you don’t continue. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: BumpWeight at none against Shell & Scale's 3. On price, ads, device support and iOS requirement 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. Shell & Scale sells 3 in-app purchases, starting at $1.99 per month. BumpWeight asks for nothing beyond the download.
| Parameter | BumpWeight | Shell & Scale |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 5 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | 拥军 刘 | Pavli Shkurti |
In-app purchases
BumpWeight
No in-app purchases
Shell & Scale
- Shell & Scale Monthly$1.991 Month
- Shell & Scale Annual$14.991 Year
- Shell & Scale Lifetime$34.99





