# Super Duper Age Calculator vs Gentle Timer

The clearest difference is review sentiment: Gentle Timer at 100% against Super Duper Age Calculator's 50%. Gentle Timer also leads on rating (4.6 vs 2.8) and update cadence (every 2 days vs every 9 months). Super Duper Age Calculator's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Gentle Timer sells 1 one-off in-app purchase. Super Duper Age Calculator asks for nothing beyond the download.

Gentle Timer holds the better App Store score, 4.6 against 2.8. That said, the two scores are not equally well evidenced: Gentle Timer has 378 ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 50% of Super Duper Age Calculator's written reviews are positive against 100% of Gentle Timer's.

Super Duper Age Calculator ships an update every 9 months, Gentle Timer every 2 days. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Super Duper Age Calculator | Gentle Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (16 ratings)](https://appshunter.io/ios/app/super-duper-age-calculator/id427263139/reviews) | **[4.6 (378 ratings)](https://appshunter.io/ios/app/gentle-timer-visual-countdown/id6738017755/reviews)** |
| Number of ratings | 16 | **378** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 8 MB | 211 MB |
| Requires iOS | **8.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Super Duper Publications](https://appshunter.io/developer/427263142) | [JOHNNY LI](https://appshunter.io/developer/1778905380) |

## What reviewers say

### Super Duper Age Calculator

[App page](https://appshunter.io/ios/app/super-duper-age-calculator/id427263139)

This application allows for rapid and precise calculation of chronological ages between any two dates. It provides a clear breakdown of years, months, and days, and offers convenient access to past calculations. Users can easily navigate dates and quickly return to the current day.

**Highlights:** Calculate chronological ages, See years, months, and days between dates, Recall previous calculations, Instantly go to today's date, Scroll through days, months, and years, Standard date picker

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use for standardized tests
- 👍 Calculates age in years-months-days standard
- 👍 Useful for assessment work
- 👍 Saves time
- 👍 Sleek interface

**What reviewers complain about**

- 👎 Slow swiping through dates
- 👎 Incorrect calculations (days borrowed)
- 👎 App shuts down immediately
- 👎 Steep learning curve
- 👎 Not intuitive

**Reported bugs**

- Automatic force stops occurring since IOS 12.0.1 update
- Shuts down immediately after opening
- App resets every time it is closed and reopened
- Calculates age incorrectly on days that have to be 'borrowed'
- Off by 2 days

**Requested features**

- Highlight clicking on birthday cake and calendar icons at the beginning
- Add toggable weeks function
- Manually type in dates
- Add more features down to the hr:min:seconds
- Option for preferred layout


### Gentle Timer

[App page](https://appshunter.io/ios/app/gentle-timer-visual-countdown/id6738017755)

This app offers a visually appealing, ad-free timer for focus, productivity, and managing children's routines. It supports various timer types, including countdown, Pomodoro, and interval, with extensive customization options for backgrounds, music, and themes. It also includes helpful everyday tools like a calculator and breathing exercises.

**Highlights:** Visual countdown timers, Pomodoro focus sessions, Interval training timers, Multi timer support, Customizable backgrounds and music, Everyday utility tools

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Go Premium | $4.99 | one-time |

**What reviewers like**

- 😍 Adorable and cute visuals
- 🎵 Fun and pleasant music/sounds
- 👍 Smooth, snappy, and easy to use
- 🎨 Artistic and whimsical design
- 🚀 Great functionality and performance

**What reviewers complain about**

- 💰 More free options desired
- 🔇 Occasional sound issues (no sound)
- 📱 Landscape mode not supported
- ⏳ Seconds not displayed on countdown
- ⬆️ Seconds set in increments of 10

**Reported bugs**

- No sound issues reported
- Seconds not displayed on countdown
- Landscape mode not working

**Requested features**

- More free options
- Landscape mode support
- Ability to set specific seconds
- Toggle off motion on settings menu
- Cat character option


## Frequently asked questions

### Is Super Duper Age Calculator free?

Super Duper Age Calculator is free to download, with no in-app purchases.

### Is Gentle Timer free?

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

### Which has better reviews, Super Duper Age Calculator or Gentle Timer?

Gentle Timer is rated higher. Super Duper Age Calculator averages 2.8 out of 5 from 16 ratings, while Gentle Timer averages 4.6 from 378 ratings.

### Do Super Duper Age Calculator or Gentle Timer have ads?

Neither Super Duper Age Calculator nor Gentle Timer shows ads.

### Which is updated more often, Super Duper Age Calculator or Gentle Timer?

Super Duper Age Calculator ships an update every 9 months, and Gentle Timer every 2 days. Most recently, Super Duper Age Calculator was updated on October 5, 2026 and Gentle Timer on October 14, 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.*