ChronoCalc Pro vs TossKeep
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ChronoCalc Pro
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The simplest and most powerful way to calculate time. Perfect for pilots, freelancers, consultants, and anyone who needs to track and calculate hours with precision. FEATURES: - CSV Import/Export - Seamlessly import time logs or export your calculation history. Use a configurable delimiter (comma, semicolon, or tab) for compatibility with any spreadsheet. - Pro Time Math - Add, subtract, multiply, and divide time values effortlessly. - Flexible Time Input - Enter time your way: 1h30m, 1:30, or 1,30. The app intelligently understands your input. - Instant Decimal Conversion - Instantly switch between standard time (1h 30m) and decimal hours (1.5 hrs), with customizable decimal precision. - Multi-line Display - Keep track of complex calculations with a clear, scrollable display where each new operation appears on its own line. - Quick Copy - Tap to copy the final result to your clipboard with a single tap. - Full Customization - Tailor the app to your workflow with settings for appearance (Light/Dark/System), decimal precision, comma interpretation, and CSV formats. - Smart & Robust - Handles negative time values and seconds with perfect formatting. PERFECT FOR: - Pilots: Logging flight hours and calculating block time. - Freelancers & Consultants: Tracking billable hours and creating invoices. - Project Managers: Calculating project durations and resource timing. - Anyone: Converting time formats, adding up timesheets, or any task that involves time math. No ads. No subscriptions. Your data is 100% private and never leaves your device.
TossKeep
Easily declutter your photo library by organizing and deleting images based on when they were taken. This app helps you keep the memories that matter and discard the rest, making photo cleanup feel intuitive and manageable.
- Time-based photo cleaning
- Swipe action interface
- Keep important photos
- Discard unwanted photos
- Intuitive cleanup process
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Your camera roll doesn’t get messy all at once. It builds up month by month. TossKeep helps you clean your photos the same way you remember them — by time — so cleanup feels easier, letting you keep what maters & toss the rest. SUBSCRIPTION INFORMATION TossKeep offers an auto-renewing subscription. Payment will be charged to your Apple ID account at confirmation of purchase. Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://tosskeep.app
Screenshots
Verdict
The clearest difference is in-app purchases: ChronoCalc Pro at none against TossKeep's 3. 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. TossKeep sells 3 in-app purchases, starting at $2.99 per month. ChronoCalc Pro asks for nothing beyond the download.
ChronoCalc Pro ships an update every 8 days, TossKeep weekly. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.
| Parameter | ChronoCalc Pro | TossKeep |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 8 days | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Subscription |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 4 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | ERLEND JOHNSRUD VAAGE | Corey Kane |
In-app purchases
ChronoCalc Pro
No in-app purchases
TossKeep
- TossKeep Monthly$2.991 Month
- TossKeep Yearly$9.991 Year
- Lifetime$39.99
Questions
Is ChronoCalc Pro free?
Is TossKeep free?
Do ChronoCalc Pro or TossKeep have ads?
Which is updated more often, ChronoCalc Pro or TossKeep?
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