# Mastery Timer vs Plain and Simple Thoughts

The clearest difference is in-app purchases: Plain and Simple Thoughts at none against Mastery Timer's 1. Mastery Timer's advantage is update cadence (every 2 days vs every 5 days) and iOS requirement (16.4 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Mastery Timer sells 1 one-off in-app purchase. Plain and Simple Thoughts asks for nothing beyond the download.

Mastery Timer ships an update every 2 days, Plain and Simple Thoughts every 5 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Mastery Timer | Plain and Simple Thoughts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/plain-and-simple-thoughts/id6799507625/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | — | Free |
| Size | 55 MB | 4 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [Arjun Gupte](https://appshunter.io/developer/1894098625) | [Plain and Simple Solutions LLC](https://appshunter.io/developer/1873798038) |

## What reviewers say

### Mastery Timer

[App page](https://appshunter.io/ios/app/mastery-timer/id6782785941)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Friends | $1.99 | one-time |


### Plain and Simple Thoughts

[App page](https://appshunter.io/ios/app/plain-and-simple-thoughts/id6799507625)

Save articles, recipes, receipts, and important documents from any app. Automatically categorizes saved items and displays them as they were originally saved. Offers a clean reading experience and smart organization for your digital life.

**Highlights:** Save links and text from any app, Automatic categorization of saved items, Preserves original page appearance, Extracts recipe ingredients and methods, Organizes receipts and warranties, Stores important papers like IDs, Offline indexing for Home Screen search

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

**In-app purchases:** none


## Frequently asked questions

### Is Mastery Timer free?

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

### Is Plain and Simple Thoughts free?

Plain and Simple Thoughts is free to download, with no in-app purchases.

### Do Mastery Timer or Plain and Simple Thoughts have ads?

Neither Mastery Timer nor Plain and Simple Thoughts shows ads.

### Which is updated more often, Mastery Timer or Plain and Simple Thoughts?

Mastery Timer ships an update every 2 days, and Plain and Simple Thoughts every 5 days. Most recently, Mastery Timer was updated on October 31, 2026 and Plain and Simple Thoughts 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.*