Percentage Calc vs Slango
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Percentage Calc
Simplify complex percentage calculations with a suite of tools for discounts, taxes, tips, and financial analysis. Quickly convert fractions, find original values, and compare amounts with ease. Save, share, and sync your calculations across devices.
- Fraction to Percentage Conversion
- Reverse Percentage Calculator
- ROI and CAGR Calculation
- Discount and Increase Calculator
- Proportional Split Calculator
- Tip Calculator
- Save and Share Calculations
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Stop guessing percentages. Know the real price before you pay. Percentage Calc is the all-in-one percentage calculator for discounts, tax, tips, ROI and more. Whether you're shopping, managing finances or studying, get instant and accurate results in seconds. • Fast and effortless calculations • Instant results, no waiting • Private and secure, no data tracking Key Features: • Percentage Calculator: Quickly calculate percentages of any amount • Discount Calculator: Instantly see final prices after discounts or increases • Tip Calculator: Calculate tips in seconds • Tax Calculator: Add or reverse sales tax easily • ROI & CAGR Calculator: Analyze investments and returns • Reverse Percentage: Find original values before changes • Fraction to Percentage: Convert fractions instantly • Basis Points (BPS): Convert percentages and basis points • Split Calculator: Divide amounts into multiple parts with percentages • Comparison Tool: Compare values and see percentage differences • History & Save: Access previous calculations anytime • Share Results: Send calculations via messages or email • iCloud Sync: Sync across iPhone, iPad and Mac PRO FEATURES: • Unlimited calculations • Save and manage operations • Share results without limits The Percentage Calc app is designed to be intuitive and easy to use, with an elegant interface that fits perfectly with your device. Optimize your workflow, take care of your finances, and make percentage calculations a breeze. By the way, AppStore reviews are very helpful to us. If you think Percentage Calc is worthy, would you mind taking a moment to write a nice review? We'd greatly appreciate it. Thanks for using Percentage Calc! - If you have a question or need immediate support, please send an email to support@8mobile.org. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.8mobile.org/privacy-policy/ *** Term of Service *** Users who use the Services offered by Percentage Calc declare to know and accept these terms and conditions. The Service is provided by the Owner "as is", without any express or implied warranty for its accuracy or availability. The Owner declines all responsibility in case of errors, inaccessibility of the platform, technical problems related to the service or failure to update the data by the suppliers of the same. All data are for information only and have no legal value. The Owner reserves the right, at any time and without notice, to add, remove features or characteristics or suspend or interrupt the provision of the Service, either temporarily or permanently. The User expressly exonerates and relieves the Owner from any liability, to the extent permitted by the applicable law, in relation to any damage claims of any kind and nature of its own and/or third parties including direct, indirect, punitive, incidental, revenue, loss of data or replacement costs arising from or in any way connected to this agreement.
Slango
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Understand unfamiliar slang and confusing messages without overthinking them. Import a message screenshot or paste a word, phrase, abbreviation, or conversation excerpt. Slango explains the meaning in plain English, with possible tone and natural reply options when helpful. START WITH A SCREENSHOT Skip the retyping. Slango reads the text in your screenshot on your device. Choose the sections you want explained, or edit the text directly before tapping Explain. UNDERSTAND THE WORDS • Gen Z and internet slang • Texting abbreviations and expressions • Confusing or ambiguous messages • Possible tone and subtext • Casual conversations and work messages A slang word gets a concise definition. A longer message gets an explanation of the main point. Tone and replies appear when they add value. FIND A NATURAL REPLY When a response makes sense, get up to two suggested replies suited to the message. Copy one and make it your own, whether you're chatting with a friend or responding at work. SAVE AND SHARE Save useful explanations to Favorites and read them again offline. Share a message and its explanation directly from Slango. YOU CONTROL WHAT YOU SEND No account required. Your screenshots stay on your device. Review and edit the extracted text before sending it for an AI explanation. Saved explanations are available offline. FREE AND PREMIUM Get one free explanation every 24 hours. Upgrade to Slango Premium for unlimited explanations. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
Percentage Calc and Slango are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Percentage Calc sells 4 in-app purchases, starting at $0.99 per 7 days and Slango sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
Percentage Calc ships an update monthly, Slango every 3 weeks. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.
| Parameter | Percentage Calc | Slango |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | — |
| Positive reviews | 60.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 4 MB | 24 MB |
| Age rating | 4+ | 9+ |
| Developer | Ottorino Bruni | PhantomBuild |
In-app purchases
Percentage Calc
- 1 Week3 Days trial$0.997 Days
- 1 Month$2.991 Month
- 1 Year$8.991 Year
- Forever$17.99
Slango
- Slango Premium Monthly$3.991 Month
- Slango Premium Annual$34.991 Year









