# SurveyMonkey vs SLO/SLA Calc

The clearest difference is review sentiment: SLO/SLA Calc at 100% against SurveyMonkey's 41%. SLO/SLA Calc also leads on in-app purchases (none vs 10) and rating (5.0 vs 4.6). SurveyMonkey's advantage is price (Free vs $1.99) and ratings volume (2.8K vs 1). On ads, device support and iOS requirement there is nothing between them.

SurveyMonkey is free to download; SLO/SLA Calc costs $1.99 up front. SurveyMonkey sells 10 in-app purchases, starting at $15.99 per month. SLO/SLA Calc asks for nothing beyond the download.

SLO/SLA Calc holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: SurveyMonkey has 2.8K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 41% of SurveyMonkey's written reviews are positive against 100% of SLO/SLA Calc's.

SurveyMonkey ships an update every 2 months, SLO/SLA Calc every 11 days. The most recent releases landed on October 18, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SurveyMonkey | SLO/SLA Calc |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.6 (2.8K ratings)](https://appshunter.io/ios/app/surveymonkey/id723867634/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/slosla-calc/id6789262199/reviews)** |
| Number of ratings | **2.8K** | 1 |
| Positive reviews | 41.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 61 MB | 5 MB |
| Requires iOS | 17.1 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SurveyMonkey](https://appshunter.io/developer/723867637) | [Ruben Calzadilla](https://appshunter.io/developer/1130032354) |

## What reviewers say

### SurveyMonkey

[App page](https://appshunter.io/ios/app/surveymonkey/id723867634)

Design, distribute, and analyze surveys and feedback forms on any device. Customize questions, track responses in real-time, and share insights easily. Ideal for both casual users and professional researchers.

**Highlights:** Create surveys, quizzes, and polls, Edit live surveys, Analyze charts and responses, Filter and compare results, Share survey links, Monitor responses with push notifications

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SELECT Plan | $15.99 | per month |
| SELECT Plan | $17.99 | per month |
| SELECT Plan | $21.99 | per month |
| Select Plan | $22.99 | per month |
| SELECT Plan | $23.99 | per month |
| SELECT Plan | $25.99 | per month |
| Standard Plan (monthly) | $98.99 | per month |
| SELECT Plan | $199.99 | per year |
| SELECT Plan | $229.99 | per year |
| Standard Plan (annual) | $399.99 | per year |

**What reviewers like**

- 🚀 Easy to use
- 🚀 Versatile survey creation
- 🚀 Helpful analytics and reporting
- 👍 Great for small businesses and nonprofits
- 👍 Useful for market research and feedback

**What reviewers complain about**

- 💰 Expensive subscription plans
- 🔒 Lack of transparency around paid features
- 🐛 Crashes and connection issues
- 🔒 Difficulty cancelling subscriptions
- 👎 Limited functionality in free version

**Reported bugs**

- Login and authentication problems
- Inconsistent survey response tracking
- Syncing issues between web and mobile versions

**Requested features**

- Offline survey capabilities
- Improved mobile editing and customization
- Tiered pricing plans for different user needs
- Better customer support and communication


### 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 SurveyMonkey free?

SurveyMonkey is free to download, with in-app purchases available.

### Is SLO/SLA Calc free?

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

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

SLO/SLA Calc is rated higher. SurveyMonkey averages 4.6 out of 5 from 2.8K ratings, while SLO/SLA Calc averages 5.0 from 1 ratings.

### Do SurveyMonkey or SLO/SLA Calc have ads?

Neither SurveyMonkey nor SLO/SLA Calc shows ads.

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

SurveyMonkey ships an update every 2 months, and SLO/SLA Calc every 11 days. Most recently, SurveyMonkey was updated on October 18, 2026 and SLO/SLA Calc on October 9, 2026.

---

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