# bayaCostX vs Duly

The clearest difference is in-app purchases: bayaCostX at none against Duly's 5. bayaCostX also leads on iOS requirement (15.6 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Duly sells 5 one-off in-app purchases. bayaCostX asks for nothing beyond the download.

bayaCostX ships an update every 10 days, Duly weekly. The most recent releases landed on September 13, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | bayaCostX | Duly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (5 ratings)](https://appshunter.io/ios/app/duly-subscription-tracker/id6760496300/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 30 MB | 6 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Bayasys Infotech](https://appshunter.io/developer/1439355857) | [Stepan Manzurov](https://appshunter.io/developer/1884724883) |

## What reviewers say

### bayaCostX

[App page](https://appshunter.io/ios/app/bayacostx/id6502626682)

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

**In-app purchases:** none


### Duly

[App page](https://appshunter.io/ios/app/duly-subscription-tracker/id6760496300)

Track all your recurring expenses, from subscriptions to rent, in one place. Get timely reminders before payments are due and mark them as paid directly from notifications. Visualize your spending with built-in analytics and custom categories.

**Highlights:** Recurring expense tracking, Payment reminders, Mark as paid from notification, Spending analytics, Custom categories, Cross-device sync

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Copper Coin | $1.99 | one-time |
| Duly Unlimited | $4.99 | one-time |
| Silver Coin | $4.99 | one-time |
| Gold Coin | $9.99 | one-time |
| Platinum Coin | $19.99 | one-time |


## Frequently asked questions

### Is bayaCostX free?

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

### Is Duly free?

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

### Do bayaCostX or Duly have ads?

Neither bayaCostX nor Duly shows ads.

### Which is updated more often, bayaCostX or Duly?

bayaCostX ships an update every 10 days, and Duly weekly. Most recently, bayaCostX was updated on September 13, 2026 and Duly 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.*