# ePhoneGo2 vs Time Observation Calculator

The clearest difference is review sentiment: Time Observation Calculator at 100% against ePhoneGo2's 35%. Time Observation Calculator also leads on rating (5.0 vs 4.3) and update cadence (every 3 weeks vs every 4 months). ePhoneGo2's advantage is price (Free vs $19.99) and ratings volume (1.5K vs 3). On ads, in-app purchases and iOS requirement there is nothing between them.

ePhoneGo2 is free to download; Time Observation Calculator costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Time Observation Calculator holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: ePhoneGo2 has 1.5K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 35% of ePhoneGo2's written reviews are positive against 100% of Time Observation Calculator's.

ePhoneGo2 ships an update every 4 months, Time Observation Calculator every 3 weeks. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | ePhoneGo2 | Time Observation Calculator |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | [4.3 (1.5K ratings)](https://appshunter.io/ios/app/ephonego2/id1600283788/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/time-observation-calculator/id6749908335/reviews)** |
| Number of ratings | **1.5K** | 3 |
| Positive reviews | 35.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | **Free** | Paid |
| Size | 102 MB | 7 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Estech Systems, Inc. (ESI)](https://appshunter.io/developer/624704430) | [Aaron Davidson](https://appshunter.io/developer/1832803581) |

## What reviewers say

### ePhoneGo2

[App page](https://appshunter.io/ios/app/ephonego2/id1600283788)

This app allows employees to use their personal mobile devices for business calls, maintaining a single office number and voicemail. It ensures business calls display your office caller ID and provides access to corporate contacts, even when on the go.

**Highlights:** Receive office calls on mobile, Make business calls with office caller ID, Video calls with other users, Corporate directory access, Call transfer and recording, Voicemail notifications

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Rock solid
- 👍 Seamless integration with iPhone
- 👍 Ability to take work calls and text without revealing personal number

**What reviewers complain about**

- 🐛 Texts almost never come through unless app is open
- 🐛 Unreliable notifications for texts
- 🐛 Issues sending texts with media
- 🐛 Transfer calls don't work well
- 🐛 Audio quality is terrible

**Reported bugs**

- Text messages section disappeared
- Desktop version still does not properly work
- Dropped calls

**Requested features**

- Clearer instructions on how to receive calls after hours
- More reliable text notifications


### Time Observation Calculator

[App page](https://appshunter.io/ios/app/time-observation-calculator/id6749908335)

This app streamlines time studies for continuous improvement initiatives like Kaizen and SMED. It combines a stopwatch, data capture, and instant analysis to help optimize workflows and reduce waste. Ideal for professionals and students in industrial engineering and manufacturing.

**Highlights:** Built-in stopwatch for data capture, Instant analysis of results, Capture key data points and notes, Streamlines time studies, Optimizes workflow efficiency, Supports Kaizen, SMED, and Gemba walks

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ePhoneGo2 free?

ePhoneGo2 is free to download, with no in-app purchases.

### Is Time Observation Calculator free?

Time Observation Calculator costs $19.99, with no in-app purchases.

### Which has better reviews, ePhoneGo2 or Time Observation Calculator?

Time Observation Calculator is rated higher. ePhoneGo2 averages 4.3 out of 5 from 1.5K ratings, while Time Observation Calculator averages 5.0 from 3 ratings.

### Do ePhoneGo2 or Time Observation Calculator have ads?

Neither ePhoneGo2 nor Time Observation Calculator shows ads.

### Which is updated more often, ePhoneGo2 or Time Observation Calculator?

ePhoneGo2 ships an update every 4 months, and Time Observation Calculator every 3 weeks. Most recently, ePhoneGo2 was updated on October 24, 2026 and Time Observation Calculator on October 16, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*