# Tropiter vs Caolo Mobile

The clearest difference is in-app purchases: Caolo Mobile at none against Tropiter's 5. Caolo Mobile also leads on update cadence (every 2 months vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Tropiter sells 5 one-off in-app purchases. Caolo Mobile asks for nothing beyond the download.

Tropiter ships an update every 4 months, Caolo Mobile every 2 months. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Tropiter | Caolo Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/caolo-mobile/id6753154135/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 73 MB | 91 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yochizuni Management](https://appshunter.io/developer/1840130624) | [Caolo Company Ltd](https://appshunter.io/developer/1816850850) |

## What reviewers say

### Tropiter

[App page](https://appshunter.io/ios/app/tropiter/id6752918860)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support Donation | $0.99 | one-time |
| Support Donation | $1.99 | one-time |
| Support Donation | $4.99 | one-time |
| Support Donation | $9.99 | one-time |
| Support Donation | $19.99 | one-time |


### Caolo Mobile

[App page](https://appshunter.io/ios/app/caolo-mobile/id6753154135)

This app facilitates the buying and selling of used textbooks and provides access to past exam papers. It also connects students with qualified tutors for personalized support. Transactions are secured, and profiles are verified for a trustworthy community.

**Highlights:** Buy and sell used textbooks, Access past exam papers, Connect with qualified tutors, Integrated messaging system, Secure transactions, User profile verification

**In-app purchases:** none


## Frequently asked questions

### Is Tropiter free?

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

### Is Caolo Mobile free?

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

### Do Tropiter or Caolo Mobile have ads?

Neither Tropiter nor Caolo Mobile shows ads.

### Which is updated more often, Tropiter or Caolo Mobile?

Tropiter ships an update every 4 months, and Caolo Mobile every 2 months. Most recently, Tropiter was updated on November 5, 2026 and Caolo Mobile on October 30, 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.*