Timetastic vs Activity Study
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Timetastic
This staff leave planner simplifies booking time off work, eliminating the need for spreadsheets or paperwork. It instantly tracks requests, approvals, and annual leave, keeping calendars updated and providing downloadable reports.
- Online time off requests and approvals
- Instant calendar updates
- Automated annual leave tracking
- Downloadable reports
- Paperwork-free leave management
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Timetastic is the #1 staff leave planner that makes working life just that little bit simpler. It’s the easiest way to book time off work. No need to mess about with spreadsheets or paperwork to organise time off work. Timetastic keeps track of everything, instantly. Your staff and managers will love it as much as you. * Time off requested and approved online - no paperwork, just notifications. * Calendars constantly updated * Annual Leave tracked and reconciled instantly * Downloadable reports You'll need a Timetastic account to use the mobile app. If you don't have an account, visit our website to start your free trial.
Activity Study
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Transform the way you measure productivity with ReTime. ReTime is the industry-leading digital solution for Work Study Analysts and Resource Planning Professionals. Say goodbye to clipboards, stopwatches, and manual data entry. ReTime combines flexible, intuitive data capture. Designed by productivity experts for productivity experts, ReTime streamlines every step of the study process—from setup to final reporting. WHY CHOOSE RETIME? • Accurate Data, Every Time: Eliminate human error with standardised inputs and precise digital timing. • Save Hours of Analysis: Stop typing up handwritten notes. ReTime automatically calculates SMVs (Standard Minute Values) and produces study value analysis instantly. • All-in-One Tool: Whether you are conducting an Activity Study (DOTS), Efficiency Study (RAS), or Role Study (DILO), ReTime adapts to your methodology. KEY FEATURES Flexible Data Capture Methodology Support: Built-in templates for major study types including Rated Activity Sampling, Direct Time Study, and Day in the Life Of (DILO). Multi-Device Sync: Seamlessly sync new tasks and elements across your entire team of analysts during a live study. Rich Media Logging: Capture photos and detailed notes directly within the app without interrupting your workflow—perfect for documenting process issues or best practices. Real-Time Efficiency Live Dashboard: Review data as it is captured to ensure quality and consistency across all analysts. Offline Capability: Work anywhere. Capture data offline and automatically sync to the cloud once you’re back online. Actionable Insights Instant Export: Export raw data or finished reports to Excel with a single click. Study Stats: Automatically identify maximum/minimum times and outliers to cleanse your data faster. Analyst Prompts: Configurable prompts ensure analysts answer key context questions during the study. WHO IS THIS FOR? Industrial Engineers Business Improvement Managers Resource Planning Teams Upgrade your clipboard to the cloud. Download ReTime today and start capturing the data you need to optimise your business. Sync new tasks and elements across analysts Capture notes and photographs as you go Instantly review data captured via live dashboard or Excel export SMV calculations completed within the Excel export
Screenshots
Verdict
The clearest difference is device support: Timetastic at 3 against Activity Study's 1. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on September 23, 2026 and September 13, 2026 respectively.
| Parameter | Timetastic | Activity Study |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (66 ratings) — better | — |
| Positive reviews | 54.4% of reviews | — |
| Number of ratings | 66 — better | — |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 42 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Timetastic Ltd | Rethink Productivity Consulting Ltd |
Bugs and requests
Timetastic
Reported bugs
24 issues- Cannot book long vacations early in the year due to insufficient days worked
- Calendar interface is confusing and shows a different page for selection
- Days already booked as bank holidays or weekends are faintly marked
- Date selection is problematic, setting 'from' and 'to' to the same date
- iPad app is forced into portrait mode
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- No Apple Calendar integration
- No notifications appear on the app icon
- Cannot approve notifications in a row, requires closing confirmation screens
- App performance is poor on iPhone/iPad
- App does not keep users logged in
- No fingerprint login support
- Magic link opens browser version instead of app
- App does not allow login for some users
- Login results in a 404 error page
- Does not handle SSO
- Display of 'Days Left' of annual holiday allowance does not update
- App is buggy and not fit for purpose
- Error message 'you must book time off on at least one working day' when booking time off
- Calendar view gets stuck when scrolling to the bottom
- Recent updates have removed useful features like seeing who is off on a specific day
- App doesn't load when opened
- Cannot log in on the app, only browser
- Works in browser but not app
- App doesn't handle SSO
Requested features
21 requests- Add Apple Calendar integration
- Improve iPad/desktop functionality
- Add employee database feature
- Allow landscape mode on iPad
- Re-add feature to click date and see who is off
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- Add functionality for teams within departments
- Add role profiles
- Allow multiple departmental accounts
- Add notifications on app icon
- Improve notification list navigation
- Allow bulk approval of notifications
- Add fingerprint login support
- Improve mobile-friendly web version
- Add log out function
- Fix app not keeping users logged in
- Fix app not allowing login
- Fix SSO login issues
- Fix 'Days Left' display update
- Fix booking error messages
- Fix calendar view scrolling issue
- Improve performance on iPhone/iPad
Activity Study
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Timetastic
No in-app purchases
Activity Study
No in-app purchases









