Comparison

StringeeX vs Callio 4.0

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

StringeeX

This business communication tool allows companies to manage incoming and outgoing calls through a dedicated company hotline. It provides features for receiving customer calls, making outbound calls, and maintaining a searchable contact list with call history, all synchronized across devices via cloud storage.

Highlights
  • Receive customer calls
  • Make outbound calls
  • Searchable contact list
  • Record call history
  • Cloud synchronization
Features
Read full description

**Vietnamese** StringeeX hỗ trợ tiếp nhận cuộc gọi, cung cấp khả năng gọi ra thông qua một đầu số đại diện của công ty. Ngoài ra StringeeX hỗ trợ lưu lịch sử cuộc gọi, tìm kiếm thông tin danh bạ, thêm liên hệ. Mọi dữ liệu đều được lưu trữ trên cloud để có thể đồng bộ với thiết bị khác. Những tính năng chính: - Tiếp nhận cuộc gọi khách hàng. - Gọi điện. - Tìm và thêm danh bạ. - Lưu lịch sử cuộc gọi. **English** StringeeX is a Call Center app, which supports users to use company's hotline to receive or make calls. StringeeX records all call histories. All call data is synchronizable between devices. Main features: - Receive calls from GSM Phone on app. - Make outbound calls to GSM Phones from app. - Record calls history. - Searchable contact list.

About

Callio 4.0

Streamline your business operations with a centralized platform for managing customer interactions across multiple channels. Track customer history, generate detailed reports, and optimize your sales process with an intuitive interface.

Highlights
  • Multi-channel conversation management
  • Centralized customer information
  • Interaction history synchronization
  • Detailed business activity reports
  • Employee performance ranking
  • User-friendly interface
Features
Read full description

CALLIO - A CENTRALIZED BUSINESS MANAGEMENT SOFTWARE FOR ENTERPRISES. Developed with the aim of streamlining and professionalizing the entire sales process for all businesses; Callio focuses on providing practical features with a user-friendly interface, delivering a flexible and efficient management experience for users. With Callio, you can: 1. CONDUCT MULTI-CHANNEL CONVERSATIONS ON ONE APPLICATION ONLY: ⁃ Consolidate multiple social networking sites to manage on one interface. ⁃ Synchronize and display the history of interactions with customers across multiple channels (voice calls, messages, Facebook, Zalo OA, etc.) in a single chat zone. ⁃ Perform chat, voice calls, notes, and customer information updates on the same workspace. 2. MANAGE CENTRALIZED CUSTOMER INFORMATION: ⁃ Store and categorize customer data according to business needs. ⁃ Track the entire purchase history and optimize customer care journeys. 3. EXPORT DETAILED BUSINESS ACTIVITY REPORTS: ⁃ Provide reports with customizable filters according to your needs. ⁃ Detailed reports on the number of customers, calls, and messages performed. ⁃ Automatically rank employees within the team/group. — — — — — — — — — — — — DOWNLOAD THE APP TO EXPERIENCE THE INTELLIGENT BUSINESS MANAGEMENT SOLUTION AND JOIN A COMMUNITY OF OVER 2000 BUSINESSES, SELF-EMPLOYED INDIVIDUALS, AND RETAILERS USING CALLIO TO AIM FOR REAL GROWTH.

Screenshots

StringeeX4 screens
Callio 4.04 screens

Verdict

The call

The clearest difference is review sentiment: StringeeX at 89% against Callio 4.0's 0%. StringeeX also leads on in-app purchases (none vs 3) and iOS requirement (13 vs 15.0). Callio 4.0's advantage is update cadence (weekly vs every 2 weeks). On price, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Callio 4.0 sells 3 one-off in-app purchases. StringeeX asks for nothing beyond the download.

UpkeepUpdate frequency

StringeeX ships an update every 2 weeks, Callio 4.0 weekly. The most recent releases landed on August 3, 2026 and September 9, 2026 respectively.

Scorecard5 real differences · 5 level
StringeeX versus Callio 4.0: the parameters behind the verdict, then further details
ParameterStringeeXCallio 4.0
PriceFreeFree
Rating—3.0 (2 ratings) — better
Positive reviews88.9% of reviews — better0.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 2 weeksWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13 — better15.0
Further details — not scored
Size46 MB91 MB
Age rating4+4+
DeveloperStringee Joint Stock CompanyGadget Technology Solution

Customer experience

StringeeX

Written reviews9 reviews
Positive88.9%
Neutral11.1%
Negative0.0%

Callio 4.0

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

StringeeX

No in-app purchases

3 purchases

Callio 4.0

One-time3
  • BASIC$1.99
  • PRO$9.99
  • ULTIMATE$12.99

Questions

Is StringeeX free?
StringeeX is free to download, with no in-app purchases.
Is Callio 4.0 free?
Callio 4.0 is free to download, with in-app purchases available.
Do StringeeX or Callio 4.0 have ads?
Neither StringeeX nor Callio 4.0 shows ads.
Which is updated more often, StringeeX or Callio 4.0?
StringeeX ships an update every 2 weeks, and Callio 4.0 weekly. Most recently, StringeeX was updated on August 3, 2026 and Callio 4.0 on September 9, 2026.

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