# Countdown Reminder vs SP Neuron Mobile

The clearest difference is ads: SP Neuron Mobile at none against Countdown Reminder's shown. SP Neuron Mobile also leads on update cadence (every 2 weeks vs every 2 months). Countdown Reminder's advantage is iOS requirement (15.0 vs 26.0). On price, 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.

Countdown Reminder ships an update every 2 months, SP Neuron Mobile every 2 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | Countdown Reminder | SP Neuron Mobile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 28 MB | 5 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Haileslassie Lilay Desalegn](https://appshunter.io/developer/1841785547) | [余 杨](https://appshunter.io/developer/6784909940) |

## What reviewers say

### Countdown Reminder

[App page](https://appshunter.io/ios/app/countdown-reminder-days-left/id6755392862)

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

**In-app purchases:** none


### SP Neuron Mobile

[App page](https://appshunter.io/ios/app/sp-neuron-mobile/id6793179615)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Countdown Reminder free?

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

### Is SP Neuron Mobile free?

SP Neuron Mobile is free to download, with no in-app purchases.

### Do Countdown Reminder or SP Neuron Mobile have ads?

Countdown Reminder shows ads; SP Neuron Mobile does not.

### Which is updated more often, Countdown Reminder or SP Neuron Mobile?

Countdown Reminder ships an update every 2 months, and SP Neuron Mobile every 2 weeks. Most recently, Countdown Reminder was updated on October 25, 2026 and SP Neuron Mobile on October 25, 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.*