Auto Stamp vs Energy Save
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Auto Stamp
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AutoStamp, your digital record of validated work on your vehicle. Includes Proof of Work with images taken while work is carried out. Typically vehicles have that thin paper booklet for routine service stamps to note.... if you remember... oh and if you still have the booklet at all that is. A record of the history in this way has been the accepted way for many years, though at the end of the day it's just a smudgy mark in a book. Was the service done? Was it done well? Where do I record that repair on my car? What about modifications? This app not only gives you a way to record ALL work done on your car, it actually validates the work and requires Proof of Work with it. You can insert work that has already been done on the car too... but you'd be wise to have the proof at hand, like receipts or photos. If you're like me, who loves to work on my own machine, taking copious amounts of photos was always part of my routine... if nothing else so I could look back and see how that part should be positioned when putting it back on. Download it... play around with it, you should quickly see the value and what you didn't even realise you've been missing all these years. This is the initial version, the one to kick off the trend, though in the background we're working on many additional features that will appear in future updates. Selling your car on? - Just think, if a full service history adds value when selling your car, think how much more value can be achieved with ALL history, in one digital fully transferrable package! Enjoy!
Energy Save
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Energy Save App The Energy Save App lets you easily control and monitor your heat pump system. This first version allows you to pair it with your heat pump installation, manage settings, receive alerts, and access supportβeverything you need to manage your heat pump efficiently. We will keep updating features, and new options like energy consumption information and maintenance management are coming soon. Key Features: Monitoring: β’ Real-time tracking of your Heat Pump installation. Management: β’ Operation and configuration of all your Heat Pump installations: β Heating and Cooling mode. β Change temperature per zone and DHW. β Vacation mode scheduling. β Rename your Heat Pump installation. β Unpair your Heat Pump installation. β Invite guests. Support: β’ Easy identification of alerts and support contact.
Screenshots
Verdict
The clearest difference is iOS requirement: Energy Save at 15.1 against Auto Stamp's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· 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 monthly. The most recent releases landed on September 12, 2026 and September 17, 2026 respectively.
| Parameter | Auto Stamp | Energy Save |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 15.1 β better |
| Further details β not scored | ||
| Size | 19 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Apjam Ltd | ES Energy Save Holding AB (publ) |
In-app purchases
Auto Stamp
No in-app purchases
Energy Save
No in-app purchases









