Comparison

Haseba Calculator vs Solves

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

Head to head
About

Haseba Calculator

This app offers a user-friendly calculator with both basic and scientific functions. It features a clean interface, voice input, and convenient history tracking. Advanced options include memory slots for storing values and applying operations to them.

Highlights
  • Scientific calculator
  • Voice calculator
  • Calculation history
  • Copy and paste functionality
  • Dynamic themes
  • Memory slots with operations
Features
Read full description

While building Haseba, we focused most of our energy on the user interface. We think that the key to any great app is a beautiful, and simple design that works seamlessly with the app's features. • Scientific Calculator • Voice Calculator • History (Swipe down in the display area) • Copy and Paste • Dynamic Light / Dark Themes (and icons) • Larger Buttons Option • Available on Apple Watch Memory Slots • Save a value inside one of 11 memory slots to use them in calculations later • A value may be the result of a previous calculation, or pasted from the clipboard into a memory slot • The process to store a value in a memory slot is very easy and fast, just drag down a memory slot • Copy memory slot value to clipboard • After having a set of occupied memory slots, you can apply one of six different operations on them in one tap: sum, average, product, median, max, min, of the occupied memory slots. ___________________________________________ Terms & Privacy: https://bit.ly/haseba-terms-privacy Need help or have questions? Reach out to us at haseba-app@hotmail.com

About

Solves

A powerful and versatile calculator for all your Apple devices. Edit complex expressions, sync history across devices, and enjoy a clean, ad-free experience. Unlock advanced features like unit conversion and fraction support with an optional upgrade.

Highlights
  • Edit expressions without limitations
  • Instant results
  • Sync calculation history across devices
  • Unit conversion (currencies, physical units)
  • Fraction support
  • Customizable themes
Features
Read full description

Solves is a well-made calculator app for your iPhone, iPad, Mac, and Apple Watch. It allows you to edit expressions without limitations and get instant results. It keeps your calculation history in sync on all devices and lets you to easily interact with it. All this for free and without ads! By purchasing Solves+ you also get: • Unit Conversions: currencies (with crypto, metals & energy), physical units, and your own! • History Tools: comment, bookmark, export, auto clear, and more • Fractions • More Themes • Advanced Settings Hand-typed code. No generative AI was used during the development or by the app itself. Solves+ requires one payment only. You will own it forever on all devices.

Screenshots

Haseba Calculator4 screens
Solves4 screens

Verdict

The call

The clearest difference is rating: Solves at 4.9 against Haseba Calculator's 4.6. Solves also leads on update cadence (every 3 weeks vs every 2 months) and review sentiment (91% vs 78%). Haseba Calculator's advantage is ratings volume (3.8K vs 383). On price, ads, in-app purchases and monetization model 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. Haseba Calculator sells 7 in-app purchases, starting at $0.99 per 7 days and Solves sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Solves holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: Haseba Calculator has 3.8K ratings behind it against 383, so its average is the more settled of the two. Written reviews point the same way: 78% of Haseba Calculator's written reviews are positive against 91% of Solves's.

UpkeepUpdate frequency

Haseba Calculator ships an update every 2 months, Solves every 3 weeks. The most recent releases landed on October 26, 2026 and October 22, 2026 respectively.

Scorecard6 real differences · 4 level
Haseba Calculator versus Solves: the parameters behind the verdict, then further details
ParameterHaseba CalculatorSolves
PriceFreeFree
Rating4.6 (3.8K ratings)4.9 (383 ratings) — better
Positive reviews78.1% of reviews90.6% of reviews — better
Number of ratings3.8K — better383
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod, Mac, Apple Watch — better
Requires iOS17.015 — better
Further details — not scored
Size25 MB82 MB
Age rating4+4+
DeveloperAhmad AlmazeediOleg Barinov

Customer experience

Haseba Calculator

All ratings3,728 ratings
Positive88.4%
Neutral4.3%
Negative7.4%
Written reviews219 reviews
Positive78.1%
Neutral3.7%
Negative18.3%

Solves

All ratings382 ratings
Positive97.1%
Neutral1.0%
Negative1.8%
Written reviews480 reviews
Positive90.6%
Neutral3.8%
Negative5.6%

User reviews

Haseba Calculator

From 3.8K App Store ratings

What we love

  • 👍 Simple and intuitive
  • 🚀 Fast and responsive
  • 🔒 No ads or trackers
  • 💎 Beautiful and customizable design
  • 🧮 Useful calculator features

Room to improve

  • 💰 Some features locked behind paywall
  • 🐛 Occasional bugs and crashes
  • 🔍 Difficult to find due to non-intuitive name

Solves

From 383 App Store ratings

What we love

  • 👍 Excellent calculator app
  • 🚀 Smooth and responsive
  • 🔒 No ads or data collection
  • 💡 Useful features like history, comments, and unit conversions
  • 👍 Clean and intuitive design

Room to improve

  • 🐛 Occasional crashes or bugs after updates
  • 🐛 Issues with certain mathematical operations
  • 🐛 Family sharing not working properly
  • 🐛 Lag or performance issues on some devices
  • 💡 Desire for more advanced features like fractions, base conversions

Bugs and requests

Haseba Calculator

Reported bugs

2 issues
  • Calculation errors with certain inputs
  • Inability to edit or copy results

Requested features

3 requests
  • Add history and editing capabilities
  • Support for hardware keyboard
  • Improve percentage calculation accuracy

Solves

Reported bugs

4 issues
  • Crashes when pressing certain buttons
  • Issues with parsing complex expressions
  • Incorrect results for some calculations
  • Problems with history clearing or syncing

Requested features

6 requests
  • Add support for fractions and mixed numbers
  • Implement a widget for quick access
  • Allow resizing the app window on Mac
  • Provide more customization options
  • Add support for Apple Watch
Show 1 more
  • Improve unit conversion experience

In-app purchases

7 purchases

Haseba Calculator

Subscriptions3
  • Voice Mode$0.997 Days
  • Haseba Voice Mode$2.991 Month
  • Haseba Voice Mode$19.991 Year
One-time4
  • Unlock Themes & Icons$0.99
  • HasebaPro$2.99
  • HasebaPro$3.99
Show 1 more
  • HasebaPro$4.99
6 purchases

Solves

One-time6
  • Tip Option #1$0.99
  • Tip Option #2$1.99
  • Tip Option #3$4.99
Show 3 more
  • Tip Option #4$9.99
  • Solves+$9.99
  • Tip Option #5$19.99

Questions

Is Haseba Calculator free?
Haseba Calculator is free to download, with in-app purchases available.
Is Solves free?
Solves is free to download, with in-app purchases available.
Which has better reviews, Haseba Calculator or Solves?
Solves is rated higher. Haseba Calculator averages 4.6 out of 5 from 3.8K ratings, while Solves averages 4.9 from 383 ratings.
Do Haseba Calculator or Solves have ads?
Neither Haseba Calculator nor Solves shows ads.
Which is updated more often, Haseba Calculator or Solves?
Haseba Calculator ships an update every 2 months, and Solves every 3 weeks. Most recently, Haseba Calculator was updated on October 26, 2026 and Solves on October 22, 2026.

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