CallTimer vs DevsBot
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CallTimer
This utility app helps you monitor call durations with customizable alarms. It's designed for simplicity, allowing users to set notifications for specific call lengths, making it useful for managing unlimited calling plans.
- Measure call time
- Set customizable alarms
- Receive notifications
- Vibration alerts
- Simple interface
- Select numbers from phone book
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CallTimer will measure the call time ，depending on the alarm that you set for notify.Especially the unlimited calling within 5 minutes , to a 10-minute telephone call unlimited plan , I think that useful . Since the aim of the app that can be used by anyone,it made as much as possible simple interface . User guide: 1、Set a alarm with you want to be notify. 2、Input the phone number or choose a number from phone book. 3、Call with green button. ※ Notify method : Notifications ＋ Vibration if it not work or you have any requests , Please contact us with support site.
DevsBot
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Smart Energy Monitor helps users view and manage their energy meter data in real-time. The app provides alerts, device status updates, and easy login to your energy dashboard. Designed for fast access and seamless usage.
Screenshots
Verdict
The clearest difference is ads: DevsBot at none against CallTimer's shown. DevsBot also leads on update cadence (every 4 days vs monthly). On price, in-app purchases, device support and iOS requirement 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.
CallTimer ships an update monthly, DevsBot every 4 days. The most recent releases landed on September 25, 2026 and September 21, 2026 respectively.
| Parameter | CallTimer | DevsBot |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (5 ratings) — better | — |
| Positive reviews | 21.4% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Monthly | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 9 MB | 79 MB |
| Age rating | 4+ | 17+ |
| Developer | Chunxu Qiu | Niraltek Pvt |
In-app purchases
CallTimer
No in-app purchases
DevsBot
No in-app purchases
