Contact Mailer vs Instacall
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Contact Mailer
Easily create an email pre-filled with selected contact information. Choose a contact, pick the details you wish to share, and generate an email draft to send.
- Select contacts from address book
- Choose specific contact details to send
- Generate pre-filled email drafts
- Opens native email application
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Create an email with the details of one of your contacts from your address book: - Select the contact. - Choose the contact details you want to send. - Press the Create email button which opens the email application where you can choose the receiver and finalize the subject and body text.
Instacall
This app offers a smart T9 dialer for efficient contact searching and calling. It features a user-friendly interface with customizable colors and speed dial support.
- Smart T9 dialing
- Fast contact search
- Speed dial support
- Customizable colors
- Simple interface
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Instacall is the best T9 Smart Dialer It's incredibly easy to find names and make call FEATURES • Great Interface • Simple Design • Support Speed Dial • Color Customization
Screenshots
Verdict
The clearest difference is review sentiment: Instacall at 66% against Contact Mailer's 0%. Instacall also leads on rating (4.3 vs 1.0) and update cadence (every 2 months vs every 29 months). Contact Mailer's advantage is price ($0.99 vs $5.99) and device support (3 vs 1). On ads and in-app purchases 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
Contact Mailer costs $0.99 and Instacall $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Instacall holds the better App Store score, 4.3 against 1.0. That said, the two scores are not equally well evidenced: Instacall has 216 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Contact Mailer's written reviews are positive against 66% of Instacall's.
Contact Mailer ships an update every 29 months, Instacall every 2 months. The most recent releases landed on October 23, 2026 and October 26, 2026 respectively.
| Parameter | Contact Mailer | Instacall |
|---|---|---|
| Price | $0.99 — better | $5.99 |
| Rating | 1.0 (1 ratings) | 4.3 (216 ratings) — better |
| Positive reviews | 0.0% of reviews | 65.8% of reviews — better |
| Number of ratings | 1 | 216 — better |
| Update frequency | Every 29 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 1 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Piet Jonas | hbull |
Customer experience
Contact Mailer
Instacall
Bugs and requests
Contact Mailer
Not enough reviews yet to summarise bugs or requests.
Instacall
Reported bugs
15 issues- Settings crash on launch
- App crashes when accessing settings
- Paid version settings crash
- Lite version settings work, paid version does not
- Unable to search contacts
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- No missed call history
- Watch app screen is cut off
- Vibration not working on iOS 14
- App crashes when trying to access settings menu
- Purchased app crashes when accessing settings
- Cannot search contacts with numbers or asterisks
- App crashes when pressing certain 초성 keys
- App crashes when trying to dial
- App crashes sometimes
- Contact search is clumsy and glitches
Requested features
20 requests- Support for WhatsApp and social network calls
- Contact backup feature
- Display call duration
- Support for e-sim
- Option to disable confirmation before dialing
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- Seamless integration with call history
- Support for voicemail access
- Ability to customize widget size and description
- Option to change font size and background color
- Add Russian language support
- Support for T9 search with Chinese Pinyin
- Add automatic area code feature
- Option to hide call list or auto-delete
- Support for 10-key Korean keyboard for 초성 search
- Option to sort frequently searched contacts at the top
- Option to disable the 'Instacall' logo on the recent screen
- Support for direct dialing without confirmation
- Add contact marking feature
- Support for Force Touch like original dialer
- Add option to select which line to use for calls
In-app purchases
Contact Mailer
No in-app purchases
Instacall
No in-app purchases
