# RapidIdentity App vs SLO/SLA Calc

The clearest difference is review sentiment: SLO/SLA Calc at 100% against RapidIdentity App's 6%. SLO/SLA Calc also leads on rating (5.0 vs 1.4) and update cadence (every 11 days vs every 3 months). RapidIdentity App's advantage is price (Free vs $1.99) and ratings volume (655 vs 1). On ads, in-app purchases and device support there is nothing between them.

RapidIdentity App is free to download; SLO/SLA Calc costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SLO/SLA Calc holds the better App Store score, 5.0 against 1.4. That said, the two scores are not equally well evidenced: RapidIdentity App has 655 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 6% of RapidIdentity App's written reviews are positive against 100% of SLO/SLA Calc's.

RapidIdentity App ships an update every 3 months, SLO/SLA Calc every 11 days. The most recent releases landed on October 26, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | RapidIdentity App | SLO/SLA Calc |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [1.4 (655 ratings)](https://appshunter.io/ios/app/rapididentity-app/id1230131130/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/slosla-calc/id6789262199/reviews)** |
| Number of ratings | **655** | 1 |
| Positive reviews | 6.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 11 days** |
| Monetization | **Free** | Paid |
| Size | 109 MB | 5 MB |
| Requires iOS | **12.2** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Identity Automation, LP](https://appshunter.io/developer/1230131129) | [Ruben Calzadilla](https://appshunter.io/developer/1130032354) |

## What reviewers say

### RapidIdentity App

[App page](https://appshunter.io/ios/app/rapididentity-app/id1230131130)

Enhance security with an additional layer of verification for app sign-ins. This app supports push notifications and time-based one-time passcodes, working offline and consolidating multiple authentication tools into one secure place.

**Highlights:** Push notification authentication, Time-based One-Time Passcode (TOTP) generation, Offline TOTP functionality, Consolidates multiple authentication tools, PIN and Touch ID protection for passcodes

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast on iPhone 14 Pro
- 👍 Facial recognition login

**What reviewers complain about**

- 🐛 Frequent crashes and issues
- 🔒 Unreliable authentication
- 👎 Difficult to use and set up
- 💤 Slow and laggy performance
- 🔒 Locks users out of accounts

**Reported bugs**

- QR code scanner doesn't work
- Can't log in with existing account
- Ping me feature frequently fails

**Requested features**

- Bring back old branding
- Add Apple Watch support
- Improve notification reliability


### SLO/SLA Calc

[App page](https://appshunter.io/ios/app/slosla-calc/id6789262199)

This tool helps engineers and operators model system availability and evaluate designs before deployment. It calculates availability for various configurations, estimates device reliability, and allows users to build and visualize complex systems. Generate professional PDF reports and review key definitions for availability and reliability.

**Highlights:** Calculate system and device availability, Model series, parallel, and N:M designs, Estimate device availability using MTBF, MTTR, Save and reuse devices/subsystems as Blocks, Build larger Systems by connecting Blocks, Visualize system architecture, Generate and share PDF reports

**In-app purchases:** none


## Frequently asked questions

### Is RapidIdentity App free?

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

### Is SLO/SLA Calc free?

SLO/SLA Calc costs $1.99, with no in-app purchases.

### Which has better reviews, RapidIdentity App or SLO/SLA Calc?

SLO/SLA Calc is rated higher. RapidIdentity App averages 1.4 out of 5 from 655 ratings, while SLO/SLA Calc averages 5.0 from 1 ratings.

### Do RapidIdentity App or SLO/SLA Calc have ads?

Neither RapidIdentity App nor SLO/SLA Calc shows ads.

### Which is updated more often, RapidIdentity App or SLO/SLA Calc?

RapidIdentity App ships an update every 3 months, and SLO/SLA Calc every 11 days. Most recently, RapidIdentity App was updated on October 26, 2026 and SLO/SLA Calc on October 9, 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.*