Date&Datetime Calculator vs Tally One
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Date&Datetime Calculator
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Date Calculator: Add to or Subtract From a Date Enter a start date and add or subtract any number of days, months, or years. Days Calculator: Days Between Two Dates How many days, months, and years are there between two dates? Lookup holidays
Tally One
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Happy thoughts, laps, reps, items, anything. Use it without unlocking your phone (1) Three modes and widgets to choose from. Simple and minimalistic counter. Why Tally One? - Lock Screen Quick Action (1): Count instantly for main Tally without unlocking your phone (iOS 18+, iPhone XR and newer). - Full Widget Support: Track your progress directly on your Home Screen. - History & Editing: View your logs and edit any entry, any day. - Three View Modes: Swipe, Dice, and Revolver — each with a distinct feel. The Experience: - No Ads - No Subscriptions - 100% Free Privacy by Design: No data collection. We don't see what you count, when you count or who you are. Your data stays on your device.
Screenshots
Verdict
The clearest difference is in-app purchases: Date&Datetime Calculator at none against Tally One's 3. Date&Datetime Calculator also leads on iOS requirement (9.0 vs 17.6). Tally One's advantage is ads (none vs shown). On price 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. Tally One sells 3 one-off in-app purchases. Date&Datetime Calculator asks for nothing beyond the download.
| Parameter | Date&Datetime Calculator | Tally One |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days | — |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 26 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Luoyang Xinyue Network Technology Co., Ltd | CRITNET Robert Bugala |
In-app purchases
Date&Datetime Calculator
No in-app purchases
Tally One
- Small Tip$0.99
- Medium Tip$2.99
- Generous Tip$4.99
Questions
Is Date&Datetime Calculator free?
Is Tally One free?
Do Date&Datetime Calculator or Tally One have ads?
Other comparisons
