# CatDo vs TrailLedger

The clearest difference is in-app purchases: CatDo at none against TrailLedger's 3. CatDo also leads on iOS requirement (15.0 vs 17.0). TrailLedger's advantage is update cadence (every 5 days vs every 10 months). On price, ads and device support there is nothing between them.

Both are free to download. TrailLedger sells 3 in-app purchases, starting at $0.99 per month. CatDo asks for nothing beyond the download.

CatDo ships an update every 10 months, TrailLedger every 5 days. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | CatDo | TrailLedger |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 117 MB | 12 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dinu Stefan Rusu](https://appshunter.io/developer/1697162965) | [玉春 蔡](https://appshunter.io/developer/1855893690) |

## What reviewers say

### CatDo

[App page](https://appshunter.io/ios/app/catdo-your-study-buddy/id6751812918)

**Features:** macOS Compatibility

**In-app purchases:** none


### TrailLedger

[App page](https://appshunter.io/ios/app/trailledger-expense-tracker/id6786991019)

This app helps you manage personal finances by tracking expenses and income, understanding spending habits, and managing assets. It offers features like quick entry, transaction history, statistics, budgeting, and asset management.

**Highlights:** Quick expense and income logging, Transaction history with search and filter, Detailed statistics and net worth tracking, Multi-account asset management, Budget creation with overspend alerts, Reimbursement tracking, CSV import/export

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Member | $0.99 | per month |
| Early Bird Lifetime | $0.99 | one-time |
| Lifetime Member | $1.99 | one-time |


## Frequently asked questions

### Is CatDo free?

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

### Is TrailLedger free?

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

### Do CatDo or TrailLedger have ads?

Neither CatDo nor TrailLedger shows ads.

### Which is updated more often, CatDo or TrailLedger?

CatDo ships an update every 10 months, and TrailLedger every 5 days. Most recently, CatDo was updated on October 7, 2026 and TrailLedger on October 8, 2026.

---

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