WhoCallMe vs Build
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WhoCallMe
Enhance your incoming call screen with company and job title information, eliminating the need to search through contacts. This app automatically displays crucial details, making it easier to identify callers. It also offers advanced contact search and customization options for a smarter business communication experience.
- Incoming call screen shows company & title
- Recents list displays caller info
- Search contacts by name, company, department, title
- Auto-generate nicknames
- Customize displayed information
- One-tap contact conversion
- Restore to original contacts
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Hello! Ever get a call and think, “Who is this again?” just from the name? Especially with clients, old contacts, or business acquaintances – the default phone screen only shows name and photo, no company or title info. You end up scrambling through contacts every time. 'WhoCallMe' fixes that perfectly! Convert once, and company, department, and job title appear neatly on your incoming call screen. Now it's so much easier: - Incoming call screen shows name + company + department + job title + photo (option for full-screen original photo too!) - Recents list and messages show company & title info right there – no more guessing who it is - Search contacts by name initials, company, department, or job title (perfect Korean consonant search supported) - Auto-generate nicknames if you want (toggle on/off) - Customize exactly what shows: turn company, department, title, nickname on or off as you like Super simple to use: 1. Open the app and tap Convert once (adds the extra fields to your contacts – takes seconds) 2. Go to Settings and choose what info to display (company/department/title/nickname/etc.) 3. Use your regular Phone and Messages apps as usual – extra info appears automatically! 4. Restore anytime to go back to original contacts (safe and easy) Completely Free App Only one small banner ad at the bottom – collapsible so it never gets in the way. Indie developer (Young-Jun Lee) has been updating it steadily for over 10 years. Optimized to work smoothly on the latest iOS. No more confusion when that important call comes in! Make your business life a little smarter with WhoCallMe :) Feedback or questions? Always welcome!
Build
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Track product choices, key milestones, cost changes, make decisions together, all in one place. Stay connected & up to date.
Screenshots
Verdict
The clearest difference is ads: Build at none against WhoCallMe's shown. Build also leads on update cadence (every 8 days vs every 4 months) and device support (3 vs 1). On price 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
WhoCallMe ships an update every 4 months, Build every 8 days. Both last shipped on October 3, 2026.
| Parameter | WhoCallMe | Build |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (25 ratings) — better | — |
| Positive reviews | 71.4% of reviews | — |
| Number of ratings | 25 — better | — |
| Update frequency | Every 4 months | Every 8 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 9 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Young-Jun Lee | Ashley Butcher |
In-app purchases
WhoCallMe
No in-app purchases
Build
No in-app purchases
