# HydraCrimp vs AlarmCircle

HydraCrimp and AlarmCircle 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. Neither carries in-app purchases, so what you see is what you pay.

HydraCrimp ships an update monthly, AlarmCircle every 6 weeks. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | HydraCrimp | AlarmCircle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Size | 16 MB | 69 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HYDRAULINK FLUID CONNECTORS LIMITED](https://appshunter.io/developer/1272538158) | [Mod2](https://appshunter.io/developer/839973138) |

## What reviewers say

### HydraCrimp

[App page](https://appshunter.io/ios/app/hydracrimp/id1272538159)

**Features:** macOS Compatibility

**In-app purchases:** none


### AlarmCircle

[App page](https://appshunter.io/ios/app/alarmcircle/id1597837543)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HydraCrimp free?

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

### Is AlarmCircle free?

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

### Do HydraCrimp or AlarmCircle have ads?

Neither HydraCrimp nor AlarmCircle shows ads.

### Which is updated more often, HydraCrimp or AlarmCircle?

HydraCrimp ships an update monthly, and AlarmCircle every 6 weeks. Most recently, HydraCrimp was updated on October 10, 2026 and AlarmCircle on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*