# Bitcoin Fees Alert vs KillLine

The clearest difference is iOS requirement: KillLine at 15 against Bitcoin Fees Alert's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Bitcoin Fees Alert | KillLine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/bitcoin-fees-alert/id6499322547/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Monetization | Free | — |
| Size | 6 MB | 6 MB |
| Requires iOS | 17.0 | **15** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FixingHiring LLC](https://appshunter.io/developer/1713704484) | [永乐 詹](https://appshunter.io/developer/1809276072) |

## What reviewers say

### Bitcoin Fees Alert

[App page](https://appshunter.io/ios/app/bitcoin-fees-alert/id6499322547)

Get alerts when Bitcoin transaction fees are low to save money on your transactions. Predict future fees to optimize when you buy or sell Bitcoin. View fees in USD and sat/vB.

**Highlights:** Low fee notifications, Fee prediction tool, USD and sat/vB fee display, Customizable notification thresholds, Save money on transactions

**Features:** macOS Compatibility

**In-app purchases:** none


### KillLine

[App page](https://appshunter.io/ios/app/killline/id6757150751)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bitcoin Fees Alert free?

Bitcoin Fees Alert is free to download, with no in-app purchases.

### Is KillLine free?

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

### Do Bitcoin Fees Alert or KillLine have ads?

Neither Bitcoin Fees Alert nor KillLine shows ads.

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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.*