SUN vs InfoMemo
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
SUN
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The SUN-TEC Hardness Converter is a tool for converting data from one hardness scale to another scale(s) and measuring the hardness of Metallic materials for your applications. Features and Benefits: - Convert between Rockwell, Vickers, Knoop, Brinell, and Leeb hardness scales. - Minimum Thickness and Cylindrical corrections for Rockwell scales. - Diagonal Length(s) conversion to Hardness and Hardness to Diagonal Length(s) for Vickers, Knoop, and Brinell scales. Available Scales: - HRA - HRB - HRC - HRD - HRF - HR15N - HR30N - HR45N - HR15T - HR30T - HR45T - VICKERS - KNOOP - BRINELL - LEEB (HLD) Note: All information within this application tool is for reference only.
InfoMemo
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InfoMemo is a modern email service app built to deliver fast, reliable, and seamless email communication with verified sender support that feels native to iOS devices. Verified InfoMemo offers compact viewing modes and AI-powered email drafting, allowing you to write your emails quickly and without clutter. InfoMemo Key Features Verified Emails - To lower the risk of spam and phishing, make sure that emails from verified senders are used for trusted contact. AI Drafting Mode - With built-in AI assistance, you can send unique, professional and clear emails instantly. Compact Mode - To increase productivity and read quickly, view multiple emails on a single screen. Dark & Light Mode You can change between dark and light themes to assist with watching easier at any time. Why Choose InfoMemo AI assistance in Email writing Verified Emails Customizable viewing modes on iOS devices Built for productivity & privacy InfoMemo Ideal For Professionals Business Userβs Studentβs Freelancers Anyone who sends email daily on iOS InfoMemo is designed with strong security practices to help protect user data and respect privacy, in line with Appleβs privacy standards. Write smarter, read faster, and communicate better with InfoMemo. Download now and experience verified email optimized for iOS devices.
Screenshots
Verdict
The clearest difference is update cadence: InfoMemo at every 10 days against SUN's every 14 months. InfoMemo also leads on device support. SUN's advantage is iOS requirement (13.4 vs 17.0). On price and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SUN ships an update every 14 months, InfoMemo every 10 days. The most recent releases landed on November 12, 2026 and November 5, 2026 respectively.
| Parameter | SUN | InfoMemo |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 14 months | Every 10 days β better |
| Ads | β | No |
| In-app purchases | No | No |
| Devices | β | iPhone, iPad β better |
| Requires iOS | 13.4 β better | 17.0 |
| Further details β not scored | ||
| Size | 24 MB | 63 MB |
| Age rating | 17+ | 4+ |
| Developer | SUN-TEC CORPORATION | Enso webworks private limited |
In-app purchases
SUN
No in-app purchases
InfoMemo
No in-app purchases









