# Truly Simple Envelopes vs DueCat

The clearest difference is update cadence: DueCat at every 5 days against Truly Simple Envelopes's every 2 weeks. Truly Simple Envelopes's advantage is device support (3 vs 1) and iOS requirement (17.0 vs 26.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Truly Simple Envelopes sells 1 one-off in-app purchase and DueCat sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Truly Simple Envelopes ships an update every 2 weeks, DueCat every 5 days. The most recent releases landed on October 13, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Truly Simple Envelopes | DueCat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/duecat-track-subscriptions/id6805345818/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 1 MB | 77 MB |
| Requires iOS | **17.0** | 26.6 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Colin Wright](https://appshunter.io/developer/1814828139) | [Ooi Way Min](https://appshunter.io/developer/1802647899) |

## What reviewers say

### Truly Simple Envelopes

[App page](https://appshunter.io/ios/app/truly-simple-envelopes/id6766333795)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro | $4.99 | one-time |


### DueCat

[App page](https://appshunter.io/ios/app/duecat-track-subscriptions/id6805345818)

This app helps you manage your recurring bills and subscriptions by providing a clear overview of upcoming payments. Understand your spending habits with visual dashboards and get timely reminders to avoid missed renewals.

**Highlights:** Subscription and bill tracking, Upcoming payment dashboard, Monthly budget setting, Spending trend analysis, Renewal reminders, Custom organization, iCloud sync

**Features:** Family Sharing, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DueCat Pro - Lifetime | $7.99 | one-time |


## Frequently asked questions

### Is Truly Simple Envelopes free?

Truly Simple Envelopes is free to download, with in-app purchases available.

### Is DueCat free?

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

### Do Truly Simple Envelopes or DueCat have ads?

Neither Truly Simple Envelopes nor DueCat shows ads.

### Which is updated more often, Truly Simple Envelopes or DueCat?

Truly Simple Envelopes ships an update every 2 weeks, and DueCat every 5 days. Most recently, Truly Simple Envelopes was updated on October 13, 2026 and DueCat on October 26, 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.*