# Doc Diary vs BillBuster

The clearest difference is update cadence: BillBuster at monthly against Doc Diary's every 3 months. Doc Diary's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 18.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Doc Diary ships an update every 3 months, BillBuster monthly. The most recent releases landed on October 25, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Doc Diary | BillBuster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 45 MB | 1 MB |
| Requires iOS | **11.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ficode](https://appshunter.io/developer/1504109839) | [ANTON SOBOLEV](https://appshunter.io/developer/1742272329) |

## What reviewers say

### Doc Diary

[App page](https://appshunter.io/ios/app/doc-diary/id1530768543)

**Features:** macOS Compatibility

**In-app purchases:** none


### BillBuster

[App page](https://appshunter.io/ios/app/billbuster/id6499061834)

**In-app purchases:** none


## Frequently asked questions

### Is Doc Diary free?

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

### Is BillBuster free?

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

### Do Doc Diary or BillBuster have ads?

Neither Doc Diary nor BillBuster shows ads.

### Which is updated more often, Doc Diary or BillBuster?

Doc Diary ships an update every 3 months, and BillBuster monthly. Most recently, Doc Diary was updated on October 25, 2026 and BillBuster on October 20, 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.*