Comparison

CMWSSB SPSS vs TRTT

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

Head to head
About

CMWSSB SPSS

Features
Read full description

With this sewage service app, you can raise complaints, track progress, and stay updated β€” all from your mobile

About

TRTT

Features
Read full description

TRTT is a complete statistical analysis tool that runs entirely on your device. Open, edit and save .sav and .zsav data files (the format used by IBM SPSS Statistics), import CSV and Excel workbooks, run the analyses you know, and share publication-ready output. FREE β€” WITH EVERY FEATURE Every analysis, every chart, the data editor and the syntax editor are free to use with datasets of up to 100 cases. Nothing is held back behind a feature list. Open a larger file and TRTT offers you a choice: load its first 100 cases and carry on for free, or unlock full dataset size. TRTT PRO (IN-APP PURCHASE) TRTT Pro is an optional in-app purchase and it unlocks one thing: dataset size. With it you work on files of any length, from a 500-case survey to a full register extract. Choose a weekly or a monthly subscription, or buy the lifetime unlock once and keep it (lifetime includes Family Sharing). Everything else is already in the free version, and stays there. ANALYSES Frequencies, Descriptives, Explore, Means, Crosstabs with chi-square, Ratio Statistics, correlations, t-tests, One-Way ANOVA and Univariate GLM, linear and ordinal regression, factor analysis, K-Means, hierarchical and TwoStep clustering, discriminant analysis, Nearest Neighbor classification and nonparametric tests β€” with weighted data, Select Cases and Split File, exactly as in desktop statistics packages. CHARTS Chart Builder with bar, line, pie, histogram, scatter, boxplot, error-bar and high-low charts, plus confidence intervals on bars and lines. DATA MANAGEMENT Data View and Variable View with value labels, missing values, variable types and formats. Compute, Recode, Rank Cases, Count Values, Autorecode and more β€” every transformation from the dialogs can also be pasted as authentic syntax. SYNTAX A real syntax editor: write and run SPSS-style commands, or use Paste in any dialog to generate the equivalent SPSS, R or Python code. OUTPUT YOU CAN HAND IN Tables and charts you can export as PDF, or as a native .spv viewer file. YOUR DATA STAYS YOURS 100% offline. No account, no cloud, no tracking β€” your data files never leave your device. Compatible with .sav/.zsav files created by IBM SPSS Statistics, PSPP and other statistical software. TRTT is an independent product and is not affiliated with or endorsed by IBM. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://trtt.app/privacy.html

Screenshots

CMWSSB SPSS3 screens
TRTT4 screens

Verdict

The call

CMWSSB SPSS and TRTT are too close to call on the numbers: across 6 compared parameters β€” price, update cadence, ads and in-app purchases among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CMWSSB SPSS ships an update fortnightly, TRTT monthly. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

ScorecardNo meaningful differences
CMWSSB SPSS versus TRTT: the parameters behind the verdict, then further details
ParameterCMWSSB SPSSTRTT
PriceFreeFree
Update frequencyFortnightly β€” betterMonthly
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.6 β€” better17.0
Further details β€” not scored
Size45 MB15 MB
Age rating17+4+
DeveloperElectro Tech SystermsRafal Rybnik

In-app purchases

None

CMWSSB SPSS

No in-app purchases

None

TRTT

No in-app purchases

Questions

Is CMWSSB SPSS free?
CMWSSB SPSS is free to download, with no in-app purchases.
Is TRTT free?
TRTT is free to download, with no in-app purchases.
Do CMWSSB SPSS or TRTT have ads?
Neither CMWSSB SPSS nor TRTT shows ads.
Which is updated more often, CMWSSB SPSS or TRTT?
CMWSSB SPSS ships an update fortnightly, and TRTT monthly. Most recently, CMWSSB SPSS was updated on October 25, 2026 and TRTT on October 29, 2026.

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