How to make iPhone vibrate stronger

iPhone Settings do not have a slider for vibration strength. What you can do in Settings is check that both haptic switches are on and create a custom rhythm for calls and alerts. For continuous vibration with adjustable strength, Massager gives you a 10% to 100% slider, 12 rhythm patterns, and Boost.

Steps to adjust vibration strength on iPhone

Check the two iOS switches first, then set strength in Massager on iOS 16.6 or later.

  1. Open Settings > Accessibility > Touch > Vibration and confirm it is on. Turning this switch off disables all vibration on your iPhone.
  2. Open Settings > Sounds & Haptics and turn on System Haptics.
  3. For incoming calls and alerts, open Settings > Sounds & Haptics > Ringtone > Haptics > Create New Vibration to tap out your own rhythm. That tool changes the rhythm only; it cannot adjust strength or vibrate continuously.
  4. For continuous vibration you can adjust, open Massager on your iPhone, tap Start on the home screen, and drag the Strength slider to 100%.
  5. Open the Patterns tab to choose from 12 rhythm patterns and 15 presets, then turn on Boost to add a steady base vibration under the rhythm.
  6. On the Patterns tab you can also set the timer for 5, 10, 15, or 30 minutes, or any length from 1 to 60 minutes.
Massager rhythm patterns screen with Strength at 100 percent and Boost base vibration enabled
Massager rhythm patterns at 100% strength with Boost adding a continuous base layer.

Your iPhone model and battery use

Vibration strength depends on your iPhone model, so 100% in Massager is as strong as the app can make your iPhone vibrate. Running vibration for a long time uses battery faster.

On the Patterns tab, Boost adds a continuous base vibration under the rhythm pattern you are playing.

Free features and Premium in Massager

Massager requires no account and no extra device. The free version has ads and includes the 10% to 100% continuous slider, the first 3 rhythm patterns, 4 presets, 3 free tries of Boost, 2 free uses of the timer, 5 of 15 relaxing sounds, and 3 of 12 relaxing videos. Premium unlocks all 12 rhythm patterns, all 15 presets, unlimited Boost, custom pattern creation saved locally on your iPhone, all sounds and videos, and no ads. Weekly, yearly, and one-time purchase options are available, with prices shown in the app before you buy.

Try Massager on your iPhone

Free to download on the App Store. No extra hardware and no account required.

Download on theApp StoreiPhone only · Requires iOS 16.6 or later

Massager is for comfort and relaxation. It is not a medical device.

Frequently asked questions

Can you increase vibration intensity on iPhone in iOS Settings?

No. iOS only provides on/off switches in Settings > Sounds & Haptics and Settings > Accessibility > Touch > Vibration. Adjusting continuous intensity from 10% to 100% requires an app like Massager.

Does a custom vibration on iPhone make it vibrate stronger?

No. Settings > Sounds & Haptics > Ringtone > Haptics > Create New Vibration only changes the rhythm used for calls and alerts. It does not adjust strength and does not vibrate continuously.

How strong can a strong vibration app make my iPhone?

Massager uses your iPhone's built-in vibration motor, so strength depends on your iPhone model. You can run continuous vibration at up to 100% and combine rhythm patterns with Boost.

How many free Boost tries are included?

The free version includes 3 tries of Boost on the Patterns tab. After that, Boost needs Premium, which makes it unlimited.