# SentNotes vs Peekaboo Timer

The clearest difference is in-app purchases: Peekaboo Timer at none against SentNotes's 2. Peekaboo Timer also leads on update cadence (every 3 weeks vs every 2 months). SentNotes's advantage is iOS requirement (15.1 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. SentNotes sells 2 in-app purchases, starting at $8.99 per month. Peekaboo Timer asks for nothing beyond the download.

SentNotes ships an update every 2 months, Peekaboo Timer every 3 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | SentNotes | Peekaboo Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/peekaboo-timer/id6768093897/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 133 MB | 7 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Francis Andrew Mwangi](https://appshunter.io/developer/1853400017) | [Anton Palchyk](https://appshunter.io/developer/1896538255) |

## What reviewers say

### SentNotes

[App page](https://appshunter.io/ios/app/sentnotes/id6755358987)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $8.99 | per month |
| Annual Premium | $89.99 | per year |


### Peekaboo Timer

[App page](https://appshunter.io/ios/app/peekaboo-timer/id6768093897)

This boxing timer app allows users to customize rounds, work, and rest durations for various training styles. It offers presets for different martial arts and fitness routines, ensuring a simple, fast, and reliable workout experience.

**Highlights:** Customizable rounds, work, and rest durations, Multiple training presets (Boxing, MMA, HIIT, Tabata), Works on lock screen and with screen off, Live Activities support, Landscape mode, Motivational quotes

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

**In-app purchases:** none


## Frequently asked questions

### Is SentNotes free?

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

### Is Peekaboo Timer free?

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

### Do SentNotes or Peekaboo Timer have ads?

Neither SentNotes nor Peekaboo Timer shows ads.

### Which is updated more often, SentNotes or Peekaboo Timer?

SentNotes ships an update every 2 months, and Peekaboo Timer every 3 weeks. Most recently, SentNotes was updated on October 30, 2026 and Peekaboo Timer on November 5, 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.*