# What's Due vs Simple Checkbook.

The clearest difference is price: What's Due at Free against Simple Checkbook.'s $3.99. What's Due also leads on rating (4.8 vs 3.7) and review sentiment (81% vs 50%). Simple Checkbook.'s advantage is in-app purchases (none vs 3) and chart position (#134 vs unranked). On update cadence and ads there is nothing between them.

What's Due is free to download; Simple Checkbook. costs $3.99 up front. What's Due sells 3 in-app purchases, starting at $4.99 per month. Simple Checkbook. asks for nothing beyond the download.

What's Due holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: What's Due has 318 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 81% of What's Due's written reviews are positive against 50% of Simple Checkbook.'s.

What's Due ships an update every 3 weeks, Simple Checkbook. every 2 weeks. The most recent releases landed on September 25, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | What's Due | Simple Checkbook. |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.8 (318 ratings)](https://appshunter.io/ios/app/whats-due-bill-tracker/id6447707197/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/simple-checkbook/id6742727558/reviews) |
| Number of ratings | **318** | 3 |
| Positive reviews | **80.8% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | **Freemium** | Paid |
| Best chart rank | — | **#134** |
| Size | 49 MB | 3 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Semper Phoenix LLC](https://appshunter.io/developer/1457917380) | [Matthew Hiles](https://appshunter.io/developer/1006499180) |

## What reviewers say

### What's Due

[App page](https://appshunter.io/ios/app/whats-due-bill-tracker/id6447707197)

Organize your income and bills to avoid late payments. This app provides reminders, projections, and quick actions to manage your finances efficiently. Sync across devices and secure your data with biometrics.

**Highlights:** Bill reminders, Income and bill tracking, Projected occurrences, iCloud sync, Quick actions for payments, Biometric security, Search functionality

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $4.99 | per month |
| Premium (Annual) | $19.99 | per year |
| Lifetime Premium | $59.99 | one-time |

**What reviewers like**

- 👍 Easy to use and simple
- ✨ Clean and modern design
- 🚀 Upgrade from old trackers
- 💡 Very helpful and organized
- ✅ Effective bill tracking

**What reviewers complain about**

- 💸 Paid for premium, data disappears
-  limita Limited to 5 bills without subscription
- ❌ No partial payments
- ❓ Hard to set up and cancel

**Reported bugs**

- Data randomly disappears and reappears
- Auto pay doesn't auto pay bills
- No notifications or reminders

**Requested features**

- Add user to bills
- Calendar view
- One-time payment option
- Dark mode
- Add current savings option


### Simple Checkbook.

[App page](https://appshunter.io/ios/app/simple-checkbook/id6742727558)

**Currently charting:** #134 Top Paid · Finance (US App Store)

Manage your personal finances with this straightforward checkbook application. Track multiple accounts, log detailed transactions, and visualize your spending habits with insightful charts. Sync your data seamlessly across devices via iCloud.

**Highlights:** Multiple account management, Detailed transaction logging, Transaction clearing status, Balance tracking, Transaction filtering, Expense/income charts, iCloud sync

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

**In-app purchases:** none


## Frequently asked questions

### Is What's Due free?

What's Due is free to download, with in-app purchases available.

### Is Simple Checkbook. free?

Simple Checkbook. costs $3.99, with no in-app purchases.

### Which has better reviews, What's Due or Simple Checkbook.?

What's Due is rated higher. What's Due averages 4.8 out of 5 from 318 ratings, while Simple Checkbook. averages 3.7 from 3 ratings.

### Do What's Due or Simple Checkbook. have ads?

Neither What's Due nor Simple Checkbook. shows ads.

### Which is updated more often, What's Due or Simple Checkbook.?

What's Due ships an update every 3 weeks, and Simple Checkbook. every 2 weeks. Most recently, What's Due was updated on September 25, 2026 and Simple Checkbook. on September 24, 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.*