# Days vs Mobile CertiFields

The clearest difference is in-app purchases: Mobile CertiFields at none against Days's 19. Mobile CertiFields also leads on iOS requirement (15.0 vs 17.0). Days's advantage is update cadence (every 5 days vs every 2 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Days sells 14 in-app purchases, starting at $0.99 per month. Mobile CertiFields asks for nothing beyond the download.

Days ships an update every 5 days, Mobile CertiFields every 2 weeks. The most recent releases landed on October 14, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Days | Mobile CertiFields |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (12K ratings)](https://appshunter.io/ios/app/days-countdown-and-widgets/id939368917/reviews)** | — |
| Number of ratings | **12K** | — |
| Positive reviews | 73.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 145 MB | 66 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MD Apps LTD](https://appshunter.io/developer/329788602) | [Andrew Brown](https://appshunter.io/developer/1822918168) |

## What reviewers say

### Days

[App page](https://appshunter.io/ios/app/days-countdown-and-widgets/id939368917)

Track upcoming special moments with customizable countdowns. Visualize your events with beautiful imagery and access them directly from your home or lock screen. Never forget important dates like birthdays or anniversaries again.

**Highlights:** Countdown to events, Count up from past events, Lock screen widgets, Home screen widgets, Recurring event tracking, Customizable event visuals, Event reminders

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $0.99 | per month |
| Monthly Plan | $1.99 | per month |
| Yearly Plan | $2.99 | per year |
| Yearly Plan | $4.99 | per year |
| Yearly Plan | $4.99 | per year |
| Yearly Plan | $5.99 | per year |
| Yearly Plan | $5.99 | per year |
| Yearly Plan | $5.99 | per year |
| Lifetime Pro | $4.99 | one-time |
| Lifetime Pro | $5.99 | one-time |
| Lifetime Pro | $8.99 | one-time |
| Lifetime Pro | $12.99 | one-time |
| Lifetime Pro | $14.99 | one-time |
| Lifetime Pro | $17.99 | one-time |

**What reviewers like**

- 🌟 Beautiful and aesthetically pleasing design
- 📆 Useful for tracking upcoming events and countdowns
- 🆓 Free version with no ads
- 🖼️ Ability to use custom photos for event backgrounds
- 🤩 Satisfying and motivating to use

**What reviewers complain about**

- 🔒 Limited free version with only 5 events
- 🔍 Lack of customization options (fonts, colors, etc.)
- 🤔 Confusing or unclear subscription model
- 🐛 Occasional bugs and glitches
- 🕰️ Inaccurate countdown display in some cases

**Reported bugs**

- Countdown not updating correctly
- Inability to delete or edit events
- Widget not functioning as expected
- Crashes or freezes when performing certain actions

**Requested features**

- Recurring event support (e.g. birthdays, holidays)
- More customization options for fonts, colors, layouts
- Ability to display countdown in different formats (days, weeks, hours, etc.)
- Integration with calendar apps for seamless event management
- Reminders and notifications for upcoming events


### Mobile CertiFields

[App page](https://appshunter.io/ios/app/mobile-certifields/id6769924400)

**In-app purchases:** none


## Frequently asked questions

### Is Days free?

Days is free to download, with in-app purchases available.

### Is Mobile CertiFields free?

Mobile CertiFields is free to download, with no in-app purchases.

### Do Days or Mobile CertiFields have ads?

Neither Days nor Mobile CertiFields shows ads.

### Which is updated more often, Days or Mobile CertiFields?

Days ships an update every 5 days, and Mobile CertiFields every 2 weeks. Most recently, Days was updated on October 14, 2026 and Mobile CertiFields on September 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*