# C21Mobile vs Quotemarks

The clearest difference is in-app purchases: C21Mobile at none against Quotemarks's 3. C21Mobile also leads on update cadence (every 2 weeks vs every 2 months) and iOS requirement (9.3 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Quotemarks sells 3 one-off in-app purchases. C21Mobile asks for nothing beyond the download.

C21Mobile ships an update every 2 weeks, Quotemarks every 2 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | C21Mobile | Quotemarks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (53 ratings)](https://appshunter.io/ios/app/quotemarks-quote-notebook/id1327090189/reviews)** |
| Number of ratings | — | **53** |
| Positive reviews | — | 81.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 16 MB | 9 MB |
| Requires iOS | **9.3** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [C21screen](https://appshunter.io/developer/462810211) | [Christopher Hale](https://appshunter.io/developer/1327090188) |

## What reviewers say

### C21Mobile

[App page](https://appshunter.io/ios/app/c21mobile/id1043027419)

**Features:** macOS Compatibility

**In-app purchases:** none


### Quotemarks

[App page](https://appshunter.io/ios/app/quotemarks-quote-notebook/id1327090189)

Build a personal library of quotes from books, movies, and more. Organize them with tags, schedule daily inspirational messages, and easily share your favorites. Export your collection for safekeeping or import existing quotes.

**Highlights:** Collect quotations, Organize with tags, Schedule daily quotes, Export/Import collections, Share favorite quotes, Searchable quotes

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Gesture | $0.99 | one-time |
| Token of Gratitude | $2.99 | one-time |
| Generous Thank You | $4.99 | one-time |


## Frequently asked questions

### Is C21Mobile free?

C21Mobile is free to download, with no in-app purchases.

### Is Quotemarks free?

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

### Do C21Mobile or Quotemarks have ads?

Neither C21Mobile nor Quotemarks shows ads.

### Which is updated more often, C21Mobile or Quotemarks?

C21Mobile ships an update every 2 weeks, and Quotemarks every 2 months. Most recently, C21Mobile was updated on November 2, 2026 and Quotemarks on November 2, 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.*