# Certainty Software vs AMS Optics

The clearest difference is review sentiment: AMS Optics at 100% against Certainty Software's 0%. AMS Optics also leads on rating (5.0 vs 3.0) and iOS requirement (13.0 vs 15.0). Certainty Software's advantage is update cadence (monthly vs every 4 months). On price, ratings volume, 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.

AMS Optics holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews point the same way: 0% of Certainty Software's written reviews are positive against 100% of AMS Optics's.

Certainty Software ships an update monthly, AMS Optics every 4 months. The most recent releases landed on September 3, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Certainty Software | AMS Optics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/certainty-software/id966195682/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/ams-optics/id1081605344/reviews)** |
| Number of ratings | 2 | **5** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free | Free |
| Size | 47 MB | 78 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Certainty Software Inc](https://appshunter.io/developer/966195681) | [Emerson Process Management](https://appshunter.io/developer/561985742) |

## What reviewers say

### Certainty Software

[App page](https://appshunter.io/ios/app/certainty-software/id966195682)

This business application streamlines audits and inspections for companies worldwide, helping them ensure compliance, reduce risk, and improve performance. It offers easy-to-use forms, real-time reporting, and action management tools for data collection and analysis.

**Highlights:** Audit and inspection completion, Real-time reporting, Action management, Data collection (online/offline), Business insights and analytics, Risk and compliance management

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

**In-app purchases:** none


### AMS Optics

[App page](https://appshunter.io/ios/app/ams-optics/id1081605344)

Monitor facility asset health remotely with real-time notifications, analysis tools, and communication features. Track CMMS requests, view historical data, and access documents for informed decision-making.

**Highlights:** Real-time asset health notifications, Diagnostic and prognostic analysis tools, Modern communication for decision making, CMMS request creation and tracking, Historical trending of health data, QR code asset identification

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Certainty Software free?

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

### Is AMS Optics free?

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

### Which has better reviews, Certainty Software or AMS Optics?

AMS Optics is rated higher. Certainty Software averages 3.0 out of 5 from 2 ratings, while AMS Optics averages 5.0 from 5 ratings.

### Do Certainty Software or AMS Optics have ads?

Neither Certainty Software nor AMS Optics shows ads.

### Which is updated more often, Certainty Software or AMS Optics?

Certainty Software ships an update monthly, and AMS Optics every 4 months. Most recently, Certainty Software was updated on September 3, 2026 and AMS Optics on June 1, 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.*