ImpactLife vs Cavnter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ImpactLife
Easily book, manage, and track blood donations in specific regions. Earn points towards gifts with each donation and track your health data. Help patients in need by donating blood.
- Book and manage donations
- Track donation history
- Find donor centers and drives
- Earn points for gifts
- Shop donor gift store
- Track health data
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The ImpactLife app makes it easy for donors in ImpactLife’s region (Iowa, Illinois, Missouri, Wisconsin) to book, manage, and track their donations. Rewards are built right in, so you’ll earn points towards great gifts with each new donation. For patients in need, blood products donated by people like you can change everything. Welcome, lifesaver. Together, we’re going to change the world. Features: • Search for donor centers and blood drives near you • Get welcome bonus points at your first app login • Shop our online store of exclusive donor gifts • Easily see upcoming bonus point days • Track your health data from each visit • Book your next donation anytime, anywhere
Cavnter
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Cavnter is a daily tracker for calories, habits, or any unit you count. Spin the wheel, tap a quantity, and the day updates. Swipe to move between days. Open the calendar to review your progress over time. TRACK YOUR WAY • Wheel input: spin to pick a quantity, with haptic ticks. • Quantity buttons: set your own one-tap amounts. • Calorie calculator: enter the kcal and protein per 100 g, enter the grams you ate, and log the result. • Favorites: save frequent entries and log them with one tap. • Daily max: set a limit and watch each day fill toward it. • Notes: keep short notes for every day. • Calendar: see all your days at a glance. • Presets: start as a calories tracker or as a single-unit counter. • Reminders: local notifications nudge you to log. YOUR DATA STAYS YOURS Cavnter has no account and no sign-up. Everything you track stays on your device. The app collects no analytics, shows no ads, and uses no third-party tracking. Export a JSON backup at any time from Settings and store it wherever you want.
Screenshots
Verdict
The clearest difference is update cadence: ImpactLife at every 3 months against Cavnter's every 13 months. ImpactLife also leads on device support (3 vs 1). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
ImpactLife ships an update every 3 months, Cavnter every 13 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | ImpactLife | Cavnter |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (23 ratings) — better | — |
| Positive reviews | 10.0% of reviews | — |
| Number of ratings | 23 — better | — |
| Update frequency | Every 3 months — better | Every 13 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.4 |
| Further details — not scored | ||
| Size | 35 MB | 40 MB |
| Age rating | 12+ | 4+ |
| Developer | ImpactLife | Ruben Sospedra |
In-app purchases
ImpactLife
No in-app purchases
Cavnter
No in-app purchases









