# SentenceDeck vs Study Timer

The clearest difference is ads: SentenceDeck at none against Study Timer's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. SentenceDeck sells 3 one-off in-app purchases and Study Timer sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

SentenceDeck ships an update every 6 weeks, Study Timer monthly. Both last shipped on October 15, 2026.

## The numbers

| Metric | SentenceDeck | Study Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/study-timer-pomodoro-and-focus/id6760139973/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 36 MB | 63 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [奇濂 任](https://appshunter.io/developer/1843376248) | [Cloud Motion Lab LLC](https://appshunter.io/developer/1866865109) |

## What reviewers say

### SentenceDeck

[App page](https://appshunter.io/ios/app/sentencedeck-shadowing/id6759489049)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Credits 100 | $0.99 | one-time |
| Credits 500 | $3.99 | one-time |
| Credits 1200 | $7.99 | one-time |


### Study Timer

[App page](https://appshunter.io/ios/app/study-timer-pomodoro-and-focus/id6760139973)

This app provides a unique study companion experience with an animated cat that studies and rests alongside you. It features a Pomodoro timer, customizable sessions, and ambient lofi music to create a focused and cozy study environment. It's designed to enhance concentration without gamification or pressure.

**Highlights:** Animated cat study companion, Pomodoro timer with customizable durations, Automatic break timer, Ambient lofi music and sound effects, Session notes and streak tracking, Works offline and with phone locked

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Momo Weekly | $4.99 | per 7 days |
| Momo Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is SentenceDeck free?

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

### Is Study Timer free?

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

### Do SentenceDeck or Study Timer have ads?

Study Timer shows ads; SentenceDeck does not.

### Which is updated more often, SentenceDeck or Study Timer?

SentenceDeck ships an update every 6 weeks, and Study Timer monthly. Most recently, SentenceDeck was updated on October 15, 2026 and Study Timer on October 15, 2026.

---

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