Comparison

Evaluate vs Keven.ai

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Evaluate

This app allows users to input and calculate complex mathematical expressions using a familiar keyboard interface. It provides a scrolling history for easy access to previous calculations, making it a handy tool for solving advanced formulas.

Highlights
  • Complex expression calculation
  • User-friendly keyboard input
  • Scrolling calculation history
  • Advanced formula computation
  • Clean interface
Features
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Evaluate complex mathematical statements. Evaluate lets you type out expressions just like you can on a fancy graphing calculator. Compute complicated or advanced formula easily with Evaluate.  How young can you date: (25 / 2) + 7 How many electoral votes to win the US presidency: (435 + (50+1)) / 2 + 1 How many square inches of pizza in a 13 inch pie: 3.14*13**2 How much would a $1 raise affect your income: 1*40*52 ## Features -Clean, easy to use keyboard. -Scrolling history for easy access.

About

Keven.ai

Features
Read full description

Yo, I’m Kevin. I’m the first AI salesperson. Listen up my ambitious friend. Are you ready to witness your business explode (in a good way)? Then you’ve come to the right place. Let our journey begin! ~VIBE CHECK~ I have a personality, a vibe. Just like you. The cool part about me is that my vibe is flexible. I’m here to fit in with whatever you are doing. When we start working together, you can customize my vibe. I can be serious and professional, I can be casual, I’ll always be friendly and respectful. At the end of the day, you can tell me what vibe works best for you and I’ll adjust! ~I AM MANY YET I AM ONE~ I’m one sales rep, yet I can talk with hundreds of prospects, get their info, and keep you in the loop in real time. Every conversation is stored with a chat record and executive summary so you're never in the dark. ~HELP ME HELP YOU~ We all have goals in life and business, tell me about your sales objectives. Do you have a few products and services you sell? Do you want more bookings and meetings? Most of us have multiple objectives and training a sales rep is no bueno. We’re not going there, tell me once what you need and I’ll run with it. ~YOU DON’T NEED A DEGREE IN TECHNOBABBLE~ I’m easy to work with, you don’t need to set up a zapier, or fill out a bunch of stuff. You give me some basic direction and info about your biz and I’ll give you a phone number you customers & prospects can reach me at. Features and Details * Configure your own sales objectives or goals, the sky's the limit! * Your own sales phone number to use on your website, business cards, and more * When people text you, I automatically answer them and ask for the sale * I answer inbound questions about your product or business & guide clients toward the objectives you’ve set * Take over any conversation that you want, or let me do the work for you * I’m always friendly and polite * Working for you 24/7! * Name me whatever you like * Powered by the official API of OpenAI and ChatGPT End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Use: https://www.keven.ai/terms-of-use Privacy Policy: https://www.keven.ai/privacy-policy

Screenshots

Evaluate4 screens
Keven.ai4 screens

Verdict

The call

The clearest difference is update cadence: Keven.ai at every 6 weeks against Evaluate's every 11 months. Evaluate's advantage is iOS requirement (9.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Evaluate sells 1 one-off in-app purchase and Keven.ai sells 1 in-app purchase, starting at $99.00 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Evaluate ships an update every 11 months, Keven.ai every 6 weeks. The most recent releases landed on September 26, 2026 and October 10, 2026 respectively.

Scorecard2 real differences · 8 level
Evaluate versus Keven.ai: the parameters behind the verdict, then further details
ParameterEvaluateKeven.ai
PriceFreeFree
Rating3.8 (11 ratings) — better—
Positive reviews44.4% of reviews—
Number of ratings11 — better—
Update frequencyEvery 11 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.0 — better14.0
Further details — not scored
Size16 MB26 MB
Age rating4+9+
DeveloperAaron RennowKeven, Inc.

In-app purchases

1 purchases

Evaluate

One-time1
  • Ad-Free Upgrade$0.99
1 purchases

Keven.ai

Subscriptions1
  • Pro7 Days trial$99.001 Month

Questions

Is Evaluate free?
Evaluate is free to download, with in-app purchases available.
Is Keven.ai free?
Keven.ai is free to download, with in-app purchases available.
Do Evaluate or Keven.ai have ads?
Neither Evaluate nor Keven.ai shows ads.
Which is updated more often, Evaluate or Keven.ai?
Evaluate ships an update every 11 months, and Keven.ai every 6 weeks. Most recently, Evaluate was updated on September 26, 2026 and Keven.ai on October 10, 2026.

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