Comparison

Opentown vs Sumomo

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

Head to head
About

Opentown

Create and broadcast your avatar using motion tracking via your device's camera. Enhance your tracking data and transmit it to a desktop application for further use. Requires iPhone X or newer.

Highlights
  • Avatar broadcasting
  • Motion tracking via camera
  • Improved tracking data transmission
  • Desktop app integration
  • Requires iPhone X or above
Read full description

This App supports avatar broadcasting and recording through motion tracking using the camera. It also has a feature to transmit improved tracking information to the Opentown desktop app. starting from iPhone X and above.

About

Sumomo

This app allows users to capture photos and videos using VRM character models. It supports VRMA animations, enabling dynamic content creation for VTubers. Only VRM 0.x versions are currently compatible.

Highlights
  • Load VRM character models
  • Capture photos and videos
  • Support for VRMA animations
  • VRM 0.x version compatibility
Read full description

A VTuber camera app. Load VRM character modeling files to take photos and videos! VRMA animations are also supported! [Note] Only VRM 0.x versions are supported.

Screenshots

Opentown4 screens
Sumomo4 screens

Verdict

The call

The clearest difference is ads: Opentown at none against Sumomo's shown. Sumomo's advantage is rating (2.4 vs 2.0) and update cadence (every 6 days vs monthly). On price, in-app purchases, monetization model 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. Opentown sells 1 in-app purchase, starting at $4.99 per month and Sumomo sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Sumomo holds the better App Store score, 2.4 against 2.0. Both are backed by a comparable volume of ratings — 2 and 8 respectively.

UpkeepUpdate frequency

Opentown ships an update monthly, Sumomo every 6 days. The most recent releases landed on June 1, 2026 and September 4, 2026 respectively.

Scorecard4 real differences · 6 level
Opentown versus Sumomo: the parameters behind the verdict, then further details
ParameterOpentownSumomo
PriceFreeFree
Rating2.0 (2 ratings)2.4 (8 ratings) — better
Positive reviews—12.5% of reviews
Number of ratings28 — better
Update frequencyMonthlyEvery 6 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size174 MB30 MB
Age rating4+4+
DeveloperMindlogic Inc.AppMadang

Customer experience

Opentown

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

Sumomo

All ratings8 ratings
Positive37.5%
Neutral0.0%
Negative62.5%
Written reviews8 reviews
Positive12.5%
Neutral0.0%
Negative87.5%

In-app purchases

1 purchases

Opentown

Subscriptions1
  • mobile$4.991 Month
2 purchases

Sumomo

One-time2
  • No Ads$2.99
  • Premium Quality$3.99

Questions

Is Opentown free?
Opentown is free to download, with in-app purchases available.
Is Sumomo free?
Sumomo is free to download, with in-app purchases available.
Which has better reviews, Opentown or Sumomo?
Sumomo is rated higher. Opentown averages 2.0 out of 5 from 2 ratings, while Sumomo averages 2.4 from 8 ratings.
Do Opentown or Sumomo have ads?
Sumomo shows ads; Opentown does not.
Which is updated more often, Opentown or Sumomo?
Opentown ships an update monthly, and Sumomo every 6 days. Most recently, Opentown was updated on June 1, 2026 and Sumomo on September 4, 2026.

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