# Alarm One vs Sendby

The clearest difference is rating: Sendby at 5.0 against Alarm One's 4.3. Sendby also leads on update cadence (every 5 days vs every 2 weeks) and iOS requirement (17.0 vs 26.0). Alarm One's advantage is ratings volume (16 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Alarm One sells 3 in-app purchases, starting at $1.99 per month and Sendby sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Sendby holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Alarm One has 16 ratings behind it against 1, so its average is the more settled of the two.

Alarm One ships an update every 2 weeks, Sendby every 5 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Alarm One | Sendby |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (16 ratings)](https://appshunter.io/ios/app/alarm-one-shift-alarm-clock/id6748434148/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sendby/id6820490809/reviews)** |
| Number of ratings | **16** | 1 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 82 MB | 17 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Qingzhe Wu](https://appshunter.io/developer/1570122439) | [伟 唐](https://appshunter.io/developer/6815037147) |

## What reviewers say

### Alarm One

[App page](https://appshunter.io/ios/app/alarm-one-shift-alarm-clock/id6748434148)

Manage complex schedules with flexible alarms for rotating shifts, international time zones, and recurring events. Organize alarms into groups and control them with a single tap. Features custom wake-up sounds, widgets, timers, and stopwatch functionality.

**Highlights:** Rotating shift alarms, World clock and time zones, Alarm grouping, Custom wake-up sounds, Home and lock screen widgets, Timers and stopwatch, iCloud sync across devices

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $1.99 | per month |
| Premium (Yearly) | $6.99 | per year |
| Lifetime premium | $16.99 | one-time |


### Sendby

[App page](https://appshunter.io/ios/app/sendby/id6820490809)

Easily send photos, videos, files, and text from your phone to a nearby computer. No account or cables needed for quick transfers over a private, encrypted network. Offers free basic photo/video sharing with optional Pro features for files and unlimited transfers.

**Highlights:** Send photos, videos, files, and text, Wireless transfer to nearby computers, No account or cable required, Private, encrypted network connection, Optional spacebar sending, Local send history

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sendby Pro Monthly | $0.99 | per month |
| Sendby Pro Yearly | $6.99 | per year |
| Sendby Pro Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is Alarm One free?

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

### Is Sendby free?

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

### Which has better reviews, Alarm One or Sendby?

Sendby is rated higher. Alarm One averages 4.3 out of 5 from 16 ratings, while Sendby averages 5.0 from 1 ratings.

### Do Alarm One or Sendby have ads?

Neither Alarm One nor Sendby shows ads.

### Which is updated more often, Alarm One or Sendby?

Alarm One ships an update every 2 weeks, and Sendby every 5 days. Most recently, Alarm One was updated on November 5, 2026 and Sendby on October 31, 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.*