Comparison

Modulo vs XCalc

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

Head to head
About

Modulo

Features
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Modulo – Minimalist Private Vault Hide your secrets. Live your life. Clean interface, intuitive controls—learn it in seconds. No clutter, just what you need. Passcode and biometric unlock. Your main space stores real content. The decoy space helps in awkward situations. Import directly from camera, or batch‑import from Photos and Files. Smooth sorting. Lifetime unlock: unlimited albums, unlimited storage, and decoy space. If you care about privacy but hate complexity, Modulo is the safer, simpler choice.

About

XCalc

Features
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XCalc — 一款计算器与私密空间二合一的宝藏应用 首次进入是完整的科学计算器,输入密码后秒变你的专属私密空间,纯本地数据应用,保证私密性,满足你日常计算与隐私保护的双重需求。 一、 科学计算器 标准/科学双模式,支持复杂数学运算 界面清爽,操作流畅,满足学习与工作场景 二、 私密空间 私密视频:导入加密存储,外界无法查看 私密图片:安全保存你的私人照片 私密便签:记录只属于你的文字笔记 多款精美皮肤主题,自由切换 内置多种图标可选,个性切换 支持 iPhone 和 iPad。

Screenshots

Modulo4 screens
XCalc4 screens

Verdict

The call

The clearest difference is iOS requirement: XCalc at 17 against Modulo's 26.0. On price, update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Modulo sells 1 one-off in-app purchase and XCalc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Modulo ships an update fortnightly, XCalc every 3 weeks. The most recent releases landed on October 25, 2026 and October 20, 2026 respectively.

Scorecard1 real difference · 5 level
Modulo versus XCalc: the parameters behind the verdict, then further details
ParameterModuloXCalc
PriceFreeFree
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad — better
Requires iOS26.017 — better
Further details — not scored
Size4 MB6 MB
Age rating4+4+
Developer博阳 李志凤 覃

In-app purchases

1 purchases

Modulo

One-time1
  • Modulo Premium$9.99
1 purchases

XCalc

One-time1
  • Pro$2.99

Questions

Is Modulo free?
Modulo is free to download, with in-app purchases available.
Is XCalc free?
XCalc is free to download, with in-app purchases available.
Do Modulo or XCalc have ads?
Neither Modulo nor XCalc shows ads.
Which is updated more often, Modulo or XCalc?
Modulo ships an update fortnightly, and XCalc every 3 weeks. Most recently, Modulo was updated on October 25, 2026 and XCalc on October 20, 2026.

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