# MultiSens vs Bolt Torque Spec Calc

The clearest difference is price: MultiSens at Free against Bolt Torque Spec Calc's $4.99. MultiSens also leads on rating (5.0 vs 3.0) and iOS requirement (11.0 vs 17.0). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

MultiSens is free to download; Bolt Torque Spec Calc costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MultiSens holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

MultiSens ships an update monthly, Bolt Torque Spec Calc every 3 weeks. The most recent releases landed on October 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | MultiSens | Bolt Torque Spec Calc |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/multisens-3934i/id1560413508/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/bolt-torque-spec-calc/id6760930975/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free** | Paid |
| Size | 20 MB | 1 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sens-OS](https://appshunter.io/developer/1533837951) | [Shanghai Sheyuan Network Technology Co., Ltd.](https://appshunter.io/developer/1560626858) |

## What reviewers say

### MultiSens

[App page](https://appshunter.io/ios/app/multisens-3934i/id1560413508)

Connect to wireless BLE vibration sensors to perform detailed vibration analysis. Analyze time waveforms, spectrum plots, and vibration levels. Store data locally or in the cloud for further review and asset management.

**Highlights:** BLE vibration sensor connection, Time Waveform analysis, Spectrum Plot analysis, Vibration Meter (Acceleration, Velocity, Displacement), Machine Acceptance Testing, Machine Motion Testing, Cloud data storage

**Features:** macOS Compatibility

**In-app purchases:** none


### Bolt Torque Spec Calc

[App page](https://appshunter.io/ios/app/bolt-torque-spec-calc/id6760930975)

Calculates bolt torque specifications for various SAE and metric sizes and grades. Provides results in both ft-lb and N·m, accounting for dry or lubricated conditions. Works offline without ads or subscriptions.

**Highlights:** SAE and Metric bolt specifications, 28 SAE and 17 Metric sizes, Dry vs. Lubricated multiplier, Torque in ft-lb and N·m, Offline functionality, Formula and K factor shown

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

**In-app purchases:** none


## Frequently asked questions

### Is MultiSens free?

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

### Is Bolt Torque Spec Calc free?

Bolt Torque Spec Calc costs $4.99, with no in-app purchases.

### Which has better reviews, MultiSens or Bolt Torque Spec Calc?

MultiSens is rated higher. MultiSens averages 5.0 out of 5 from 1 ratings, while Bolt Torque Spec Calc averages 3.0 from 1 ratings.

### Do MultiSens or Bolt Torque Spec Calc have ads?

Neither MultiSens nor Bolt Torque Spec Calc shows ads.

### Which is updated more often, MultiSens or Bolt Torque Spec Calc?

MultiSens ships an update monthly, and Bolt Torque Spec Calc every 3 weeks. Most recently, MultiSens was updated on October 3, 2026 and Bolt Torque Spec Calc on October 31, 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.*