addition calc vs AIMailMind
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
addition calc
This calculator app clearly displays inputs and sums on separate rows for easy understanding. Perform basic arithmetic operations with large, accessible buttons. Customize decimal places and rounding for precise calculations.
- Separate input and sum display
- Large buttons for easy input
- Supports four input operations
- Customizable decimal places
- Adjustable rounding settings
- Optional vibration feedback
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The input (lower row) and the sum (upper row) are separated, so you can always understand the answer. How to use is simple, just enter the numbers and press the add button. Four input operations can be performed on the input (lower row), and the results can be added. You can set the total number of decimal places and rounding. You can also activate the vibrator when you touch the iPhone.
AIMailMind
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MailMind is a native iOS email client that uses AI to triage, summarize, and translate your inbox โ so you spend less time reading and more time responding to what actually matters. WHY MAILMIND Your inbox is noisy. Bank alerts, subscription renewals, package deliveries, security codes, promotions, and the occasional real message from a human all compete for attention. MailMind reads each email on your device and gives you a clear, color-coded picture of what's happening and what needs action. AI-POWERED SMART INBOX โข Urgency detection โ every message is tagged high / medium / low so you know what to open first โข Plain-language summaries โ a one-sentence explanation of what each email means โข Suggested actions โ "Act now", "Act this week", "Review only", or "Archive" โ based on the message content โข Entity extraction โ amounts, currencies, organizations, and deadlines pulled out automatically โข Smart categories โ security, billing, transactions, promotions โ filter your inbox with one tap MULTIPLE PROTOCOLS, MULTIPLE PROVIDERS โข IMAP and POP3 support for virtually any mail provider โข Region presets for iCloud, Outlook, Yahoo, Zoho, Proton Mail, QQ, NetEase 163/126, Sina, Yahoo! Japan, DOCOMO, OCN, and more โข Custom IMAP setup for self-hosted or enterprise servers โข Full send support with attachments, drafts, and threading MULTILINGUAL AI MailMind understands email in English, Chinese, and Japanese โ and generates AI summaries in whichever language you prefer. Perfect for anyone who sends and receives mail across languages. PRIVACY-FIRST DESIGN โข No developer-operated server stores your email โข All messages live on your device; credentials are stored in the iOS Keychain โข AI processing is user-initiated only โ a message goes to our AI gateway just for that one request and is never retained, logged, or used for training โข No trackers, no ads, no analytics SDKs NATIVE iOS Built from scratch with SwiftUI. Dark mode, dynamic type, haptics, multi-account, swipe actions, pull-to-refresh, and a bottom tab bar that feels at home on iOS 17 and later. TRY DEMO MODE Not ready to connect your email? Tap "Try Demo" on the add-account screen to explore MailMind with sample messages, pre-baked AI analyses, and all categories โ no credentials required. REQUIREMENTS โข iOS 17 or later โข Compatible with iPhone and iPad โข Optional: an email account with IMAP/POP3 access MailMind does not require a subscription. There are no in-app purchases, no ads, and no account signup with the developer.
Screenshots
Verdict
The clearest difference is update cadence: AIMailMind at every 4 days against addition calc's monthly. addition calc's advantage is iOS requirement (9.3 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
addition calc ships an update monthly, AIMailMind every 4 days. The most recent releases landed on November 2, 2026 and November 9, 2026 respectively.
| Parameter | addition calc | AIMailMind |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | โ |
| Update frequency | Monthly | Every 4 days โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | โ |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPad |
| Requires iOS | 9.3 โ better | 17.0 |
| Further details โ not scored | ||
| Size | 13 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Shozo Obayashi | Singularity Games Co., Ltd. |
In-app purchases
addition calc
No in-app purchases
AIMailMind
No in-app purchases









