Energy Stats vs Don't be late!
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Energy Stats
Monitor your FoxESS solar and battery system with real-time data. Track battery levels, view historical performance trends, and optimize system efficiency. Access your stats from your wrist with Apple Watch integration.
- Real-time battery level tracking
- Detailed historical performance graphs
- Battery temperature and state of charge monitoring
- Apple Watch app and complication
- Export stats and switch inverter modes
- Fine-tune charge schedules
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See your FoxESS solar and battery system at a glance. Energy Stats puts your power in the palm of your hand: - Track battery levels in real time—and see when it’ll be full or running low. - Explore clear graphs and detailed history to spot trends and optimise performance. - Keep an eye on battery temperature and state of charge. - Check your system from your wrist with the Apple Watch app and complication. - Export your stats, switch inverter modes, and fine-tune charge schedules in seconds. To get started, you’ll need a FoxESS Cloud account and API key.
Don't be late!
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Don't be late! Never lose track of delays again: This app helps you monitor and manage the punctuality of your friends, coworkers, or even yourself. Whether you’re organizing meetups, tracking work attendance, or just curious about who’s always late, this app makes it easy to log and analyze delays over time.
Screenshots
Verdict
The clearest difference is update cadence: Energy Stats at every 4 days against Don't be late!'s every 2 months. Energy Stats also leads on device support (4 vs 2). On price, ads, in-app purchases and iOS requirement 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.
Energy Stats ships an update every 4 days, Don't be late! every 2 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.
| Parameter | Energy Stats | Don't be late! |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 94.1% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac, Apple Watch — better | iPhone, iPad |
| Requires iOS | 17.6 — better | 18.2 |
| Further details — not scored | ||
| Size | 23 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Alistair Priest | Florian Lammert |
In-app purchases
Energy Stats
No in-app purchases
Don't be late!
No in-app purchases
