Data Jar vs Just Timers
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Data Jar
This app acts as a persistent data store for your automation workflows. It allows you to save and retrieve various data types, including text, numbers, lists, dictionaries, and files, directly from your automation tools. Data is synced across devices via iCloud and can be accessed from the Files app.
- Persist key-value pairs
- Supports text, numbers, booleans, lists, dictionaries, and files
- Direct integration with automation tools
- iCloud Drive storage and sync
- Multi-window and drag-and-drop support on iPad
- Access via Files app
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Data Jar is a data store designed to be used with Shortcuts. The data store lets you persist key-value pairs. If you have used dictionaries and lists in Shortcuts, then you’ll find that the data format used by Data Jar is very similar. - Extensive support for Shortcuts, enabling you to read and update data directly from Shortcuts. - Store text, numbers, booleans, lists, dictionaries and even files. - Files are stored in iCloud Drive and can be accessed from the Files app. - Support for multiple windows and drag and drop on the iPad. - Synchronisation between devices using iCloud. Data Jar is free to use but contains a tip jar where users can pay a few bucks to support the developer.
Just Timers
Create and manage multiple named timers, including counters, stopwatches, and interval timers. Customize alerts with sounds and haptics, and integrate with Shortcuts for advanced automation. Sync across devices and utilize widgets for convenient control.
- Multiple named timers (counter, stopwatch, interval)
- Customizable alerts (sound, haptics, critical alerts)
- Shortcuts and URL integration
- Interval templates for complex routines
- Widgets and Live Activities support
- iCloud sync across devices
- Light and Dark themes
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Just Timers: The missing timers app Quickly and easily create multiple named counter, stopwatch and interval timers, sync across devices and even use Tags to group timers together Assign alert sounds, haptics and even critical alerts to notify you when a timer expires Assign Shortcuts and URLs to run when timers stop* (more actions coming soon!) Use intervals to create complex workout routines, or go a step deeper with interval templates and Shortcuts integration Use Shortcuts to create complex interval sets and control timers with your voice Use Widgets to keep track of and control your timers, as well as quickly create single-use "self-destruct" timers Sync timers with iCloud across your other devices Supports Live Activities, Widgets and the Dynamic Island Light and Dark Themes * Shortcuts and URLs can only run when the app is open or notification is tapped Need help? Contact support@justtimers.app or find us on Twitter @JustTimers
Screenshots
Verdict
The clearest difference is rating: Data Jar at 4.9 against Just Timers's 4.1. Data Jar also leads on review sentiment (89% vs 57%) and ratings volume (870 vs 30). On price, ads, in-app purchases and monetization model 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. Data Jar sells 3 one-off in-app purchases and Just Timers sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Data Jar holds the better App Store score, 4.9 against 4.1. That said, the two scores are not equally well evidenced: Data Jar has 870 ratings behind it against 30, so its average is the more settled of the two. Written reviews point the same way: 89% of Data Jar's written reviews are positive against 57% of Just Timers's.
Data Jar ships an update every 9 days, Just Timers every 4 weeks. Both last shipped on November 2, 2026.
| Parameter | Data Jar | Just Timers |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (870 ratings) — better | 4.1 (30 ratings) |
| Positive reviews | 89.2% of reviews — better | 57.5% of reviews |
| Number of ratings | 870 — better | 30 |
| Update frequency | Every 9 days — better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, Apple Watch |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 7 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Simon B. Støvring | Aaron Dippner |
Customer experience
Data Jar
Just Timers
User reviews
Data Jar
From 870 App Store ratingsWhat we love
- 🚀 Indispensable app for Shortcuts
- 👍 Powerful and versatile data storage
- 🔒 Reliable and stable data store
- 💡 Unique solution for Shortcuts
- 🤖 Essential for advanced Shortcuts
Room to improve
- 🐛 Occasional crashes or issues with large data
- ⏱️ Slow read/write access at times
- 🗂️ Difficulty managing large number of values
Just Timers
From 30 App Store ratingsWhat we love
- 👍 Excellent Shortcuts integration
- 💰 Affordable one-time purchase
- 🚫 No data collection
- ✨ Clean and intuitive UI
- 🚀 Fast and performant (v3)
Room to improve
- 🐛 Numerous bugs and glitches
- 🔇 No sound/alarms
- ⚠️ Notifications not stopping
- ⏳ Slow loading times
- ⌚ Watch app issues
Bugs and requests
Data Jar
Reported bugs
2 issues- Files getting automatically deleted with large numbers
- Issues with saving base64 encoded images
Requested features
5 requests- Ability to add individual values to existing dictionaries
- Device-specific variables
- Folder organization for values
- Boolean action to set values
- Widget support
Just Timers
Reported bugs
32 issues- Repeat function causing repeated shortcut execution
- No sound even with critical alerts on
- Notifications won't stop after timer completion
- Interval timer progress lost
- Stock timers restoring after deletion
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- Watch app unusable, complications incorrect
- Timers activating and changing duration after update
- Timers going off after being stopped
- Negative timers displayed
- Alerts not going off
- Timers with intervals spontaneously resetting
- Watch notifications inconsistent
- Timer display stuck
- Widget display stuck
- Intervals stuck, skipping inconsistent
- Choosing sound causes it to play indefinitely
- Timer resets when modifying sound
- No default timer settings
- Manual sync required for phone/watch timers
- Buttons do nothing or wrong action
- Siri not working with new version
- Shortcut action to create timer throws error
- Can't change timer volume (too loud with headphones)
- Sound continues to ring after stop/dismiss
- Contact button in settings not working
- Can't scroll down to add new custom timer on Watch
- Watch face off means no alert
- Alert only happens when app is open on Watch
- Weak buzz with no customization on Watch
- App crashes before timer expires
- App sluggish and buggy
- Purchasing tiers not clearly disclosed upfront
Requested features
19 requests- Menu bar timer on Mac
- Widgets for home screen
- Custom sounds for timers
- Delayed timer start (date/time)
- Group timers and trigger individual timers
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- Enter date and time for timers
- Option to quickly create one-off timers
- Prevent app launch when tapping Live Activity
- Templates for timer types
- Clear explanations for settings
- Siri integration improvements
- Ability to set different sounds for each timer
- More alarming sound options
- Vibrating function on Watch
- Improved x-callback integration
- Rest API improvements
- Ability to group timers
- Reset individual timers on Watch easily
- More alert tones
In-app purchases
Data Jar
- Small Tip$0.99
- Medium Tip$2.99
- Large Tip$4.99
Just Timers
- Small Toy$0.99
- v1 Unlimited Timers (Legacy)$1.99
- Tier 1$1.99
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- Medium Toy$2.99
- v1 Upgrade$2.99
- Large Toy$4.99
- Tier 2$4.99
- Huge Toy$9.99








