Nudge Energy vs Flexitime
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nudge Energy
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Nudge Energy is designed for major energy users in the industrial and commercial sectors, primarily to be used to improve the management of energy use, costs and associated carbon dioxide emissions. In addition to energy, Nudge Energy can be used for process performance improvement, asset management, safety, environmental management and auditing. Actions and insights, or ‘nudges’, are created automatically from the analysis and interpretation of real time data, and directly by users. The ‘nudges’ are delivered to the Nudge Energy app to encourage the user to take action to reduce energy use, or to provide other relevant performance information. The ‘nudges’ are specific to the user and the user’s location which is detected using pre-installed beacons that communicate with the user’s device using Bluetooth. The Nudge Energy app works in conjunction with existing energy management information systems, building management systems and process monitoring and control systems, or independently with new data collection systems. The ‘Nudge a Friend’ feature allows users to leave messages for colleagues to be delivered at specific locations, providing a social element to the app but also supports awareness raising campaigns. The Nudge Energy app requires the user, or the user’s company, to subscribe to a ‘nudge’ generation and management service. Managers are able to analyse the nudges and user responses to understand whether actions are being taken to reduce energy use. Users can access historic nudges via a web page. As well as providing real time insights, actions and dashboards to help industrial and commercial companies manage energy use and costs, Nudge Energy can also be used to inform stakeholders about company performance. It can be deployed effectively as part of an ISO 50001 energy management programme.
Flexitime
Manage your work shifts with a simple and elegant calendar. Easily set your start date, customize shift patterns, and track vacations or changes. The app visually highlights your workdays for quick understanding.
- Custom shift pattern setup
- Vacation and change tracking
- Automatic workday highlighting
- Widget for quick viewing
- Simple and elegant calendar interface
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Flexitime is a free work shift schedule calendar. This app has a simple and elegant calendar that you can use to show your work shift pattern. Flexitime offers you easily set start date and custom shift pattern. You can setup and switch directly in calender between all your work shifts. In case of vacation or any changes in your usual work shift, we have possibility to setup these changes. The app will automatically highlight all corresponding days of your work week based on all settings you choose, so you can see which day you are working or not. Setup widget to quickly viewing of the nearest two weeks of current month. Calendar does not sync with Google calendars, all it does is shows you work shifts pattern in a nice way.
Screenshots
Verdict
The clearest difference is in-app purchases: Nudge Energy at none against Flexitime's 3. Flexitime's advantage is iOS requirement (8.0 vs 13.0). On price, update cadence, ads 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. Flexitime sells 3 one-off in-app purchases. Nudge Energy asks for nothing beyond the download.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 29, 2026 and November 2, 2026 respectively.
| Parameter | Nudge Energy | Flexitime |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.6 (7 ratings) — better |
| Positive reviews | — | 67.6% of reviews |
| Number of ratings | — | 7 — better |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 89 MB |
| Age rating | 4+ | 4+ |
| Developer | Hart Energy Consultants LLP | Dzmitry Sharkou |
In-app purchases
Nudge Energy
No in-app purchases
Flexitime
- Vacations and Changed Shifts$0.99
- Several work shifts$0.99
- Shift Colors$0.99





