AddCalc Freedom vs EchoKeep
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AddCalc Freedom
This calculator app offers two modes: an adder calculator for accounting and an ordinary calculator. Customize its design, use sound effects, and manage input logs with editing and recalculation. It supports 14 significant digits and always displays Grand Total and Memory.
- Dual calculator modes (adder and ordinary)
- Customizable calculator design
- Input log with editing and recalculation
- Voice reading of input log
- 14 significant digits
- Always display Grand Total and Memory
- Backspace function
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Do you know the calculator of optimal adder method for an accounting calculation? (with the calculation method change function) Try it on the iPhone and iPad you always carry around. 【Feature】 - This can switch an "adder calculator" and "ordinary calculator” - Simple setting of the design of the calculator - Sound effects - Input log and copy - Input log editing + recalculation function - Voice reading of the input log (for iOS7) - 14 Number of significant digits - Always display "Grand Total" - Always display "Memory" - BackSpace function Simple design that is emphasis in the adder calculation function 【How to use an adder calculator】 ”(10×10)+(5×5)-(6×5)=95” 10 [×] 10 [+=] 5 [×] 5 [+=] 6 [×] 5 [-] [GT] (10×10)Add(5×5)Add(6×5)Pull Ver5.5.3 later % Calculation example : 500 + (500 × 12%) = 560 500 [+=] 12 [%] [+=] (Old : 500 [+=] [×] 12 [%] [+=]) 【How to use an ordinary calculator】 ”(10×10)+(5×5)-(6×5)=95” 10 [×] 10 [=][M+] 5 [×] 5 [=][M+] 6 [×] 5 [=] [M-][MR] Added to the Grand Total by "=" The continuous input will be "10 × 10 + 5 × 5 - 6 × 5 = 2595" Ver5.5.3 later % Calculation example : 500 + (500 × 12%) = 560 500 [+] 12 [%] [=] (Old : 500 [+] [×] 12 [%] [=])
EchoKeep
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EchoKeep — Speak. Capture. Remember. EchoKeep is your private voice companion — the fastest way to record your thoughts and instantly turn them into text. Whether it’s an idea, a reminder, or a moment of reflection, EchoKeep lets you speak freely and saves everything securely on your device. No typing, no distractions — just your voice and your thoughts, beautifully organized.
Screenshots
Verdict
The clearest difference is in-app purchases: EchoKeep at none against AddCalc Freedom's 1. EchoKeep also leads on update cadence (every 4 days vs every 6 weeks). AddCalc Freedom's advantage is iOS requirement (15.6 vs 26.0). 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
Both are free to download. AddCalc Freedom sells 1 one-off in-app purchase. EchoKeep asks for nothing beyond the download.
AddCalc Freedom ships an update every 6 weeks, EchoKeep every 4 days. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.
| Parameter | AddCalc Freedom | EchoKeep |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (4 ratings) — better | — |
| Positive reviews | 52.9% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 6 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 6 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Shinichi Aokawa | ujjwal chafle |
In-app purchases
AddCalc Freedom
- Remove ads$1.99
EchoKeep
No in-app purchases









