# Nibs & Coal vs Revision Tracker

The clearest difference is in-app purchases: Revision Tracker at none against Nibs & Coal's 2. Nibs & Coal's advantage is update cadence (every 2 weeks vs every 2 months) and device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Nibs & Coal sells 2 in-app purchases, starting at $3.99 per month. Revision Tracker asks for nothing beyond the download.

Nibs & Coal ships an update every 2 weeks, Revision Tracker every 2 months. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Nibs & Coal | Revision Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 63 MB | 22 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nibs Studio](https://appshunter.io/developer/1861185200) | [Helen Seymour](https://appshunter.io/developer/1836723352) |

## What reviewers say

### Nibs & Coal

[App page](https://appshunter.io/ios/app/nibs-and-coal-focus-app/id6756530365)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nibs Study App Pro - Monthly | $3.99 | per month |
| Nibs Study App Pro - Annual | $29.99 | per year |


### Revision Tracker

[App page](https://appshunter.io/ios/app/revision-tracker-studyclock/id6772724234)

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

**In-app purchases:** none


## Frequently asked questions

### Is Nibs & Coal free?

Nibs & Coal is free to download, with in-app purchases available.

### Is Revision Tracker free?

Revision Tracker is free to download, with no in-app purchases.

### Do Nibs & Coal or Revision Tracker have ads?

Neither Nibs & Coal nor Revision Tracker shows ads.

### Which is updated more often, Nibs & Coal or Revision Tracker?

Nibs & Coal ships an update every 2 weeks, and Revision Tracker every 2 months. Most recently, Nibs & Coal was updated on November 5, 2026 and Revision Tracker 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.*