# SunEnergyXT vs Don't be late!

The clearest difference is update cadence: SunEnergyXT at every 3 weeks against Don't be late!'s every 2 months. SunEnergyXT also leads on iOS requirement (13.0 vs 18.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SunEnergyXT ships an update every 3 weeks, Don't be late! every 2 months. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SunEnergyXT | Don't be late! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 113 MB | 0 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Safety Tax Free GmbH](https://appshunter.io/developer/1731785072) | [Florian Lammert](https://appshunter.io/developer/1805481449) |

## What reviewers say

### SunEnergyXT

[App page](https://appshunter.io/ios/app/sunenergyxt/id6444396114)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Don't be late!

[App page](https://appshunter.io/ios/app/dont-be-late-delay-tracker/id6744000880)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SunEnergyXT free?

SunEnergyXT is free to download, with no in-app purchases.

### Is Don't be late! free?

Don't be late! is free to download, with no in-app purchases.

### Do SunEnergyXT or Don't be late! have ads?

Neither SunEnergyXT nor Don't be late! shows ads.

### Which is updated more often, SunEnergyXT or Don't be late!?

SunEnergyXT ships an update every 3 weeks, and Don't be late! every 2 months. Most recently, SunEnergyXT was updated on October 24, 2026 and Don't be late! on October 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*