# iobook vs Subscription Tracker for Bills

iobook and Subscription Tracker for Bills are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. iobook sells 2 in-app purchases, starting at $1.99 per month and Subscription Tracker for Bills sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

iobook ships an update every 3 weeks, Subscription Tracker for Bills every 2 weeks. The most recent releases landed on September 25, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | iobook | Subscription Tracker for Bills |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 6 MB | 12 MB |
| Requires iOS | 18.0 | 18 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Joonhee Cho](https://appshunter.io/developer/1124471697) | [Mustafa Kenan Atmaca](https://appshunter.io/developer/1005261563) |

## What reviewers say

### iobook

[App page](https://appshunter.io/ios/app/iobook/id6742841375)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic (Monthly) | $1.99 | per month |
| Basic (Yearly) | $19.99 | per year |


### Subscription Tracker for Bills

[App page](https://appshunter.io/ios/app/subscription-tracker-for-bills/id6754378607)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $4.99 | per month |
| Yearly Pro | $34.99 | per year |
| Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is iobook free?

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

### Is Subscription Tracker for Bills free?

Subscription Tracker for Bills is free to download, with in-app purchases available.

### Do iobook or Subscription Tracker for Bills have ads?

Neither iobook nor Subscription Tracker for Bills shows ads.

### Which is updated more often, iobook or Subscription Tracker for Bills?

iobook ships an update every 3 weeks, and Subscription Tracker for Bills every 2 weeks. Most recently, iobook was updated on September 25, 2026 and Subscription Tracker for Bills on September 29, 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.*