# Mono Timer vs SPHERA Alarm

The clearest difference is in-app purchases: Mono Timer at none against SPHERA Alarm's 10. SPHERA Alarm's advantage is iOS requirement (15.0 vs 17.5). On price, ads and device support there is nothing between them.

Both are free to download. SPHERA Alarm sells 10 in-app purchases, starting at $1.99 per month. Mono Timer asks for nothing beyond the download.

## The numbers

| Metric | Mono Timer | SPHERA Alarm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 1 MB | 79 MB |
| Requires iOS | 17.5 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [masayoshi matsuda](https://appshunter.io/developer/1611935365) | [Shin Onoshima](https://appshunter.io/developer/1803371608) |

## What reviewers say

### Mono Timer

[App page](https://appshunter.io/ios/app/mono-timer-a-stylish-timer/id6737732454)

**Features:** macOS Compatibility

**In-app purchases:** none


### SPHERA Alarm

[App page](https://appshunter.io/ios/app/sphera-alarm/id6766024241)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SPHERA Plus Monthly | $1.99 | per month |
| SPHERA Plus Yearly | $14.99 | per year |
| Prism Wake | $0.99 | one-time |
| Synapse Tone | $0.99 | one-time |
| Zenith Pulse | $0.99 | one-time |
| Quiet Flux | $0.99 | one-time |
| Solar Thread | $0.99 | one-time |
| Velvet Radar | $0.99 | one-time |
| Soft Circuit | $0.99 | one-time |
| Stellar Mallet | $0.99 | one-time |


## Frequently asked questions

### Is Mono Timer free?

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

### Is SPHERA Alarm free?

SPHERA Alarm is free to download, with in-app purchases available.

### Do Mono Timer or SPHERA Alarm have ads?

Neither Mono Timer nor SPHERA Alarm shows ads.

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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.*